http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcResultSet.java ---------------------------------------------------------------------- diff --cc modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcResultSet.java index 8677312,0000000..9d7adcf mode 100644,000000..100644 --- a/modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcResultSet.java +++ b/modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcResultSet.java @@@ -1,1519 -1,0 +1,1519 @@@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.internal.jdbc; + +import org.apache.ignite.client.*; +import org.apache.ignite.internal.util.typedef.internal.*; + +import java.io.*; +import java.math.*; +import java.net.*; +import java.sql.*; +import java.sql.Date; +import java.util.*; + +/** + * JDBC result set implementation. + */ +public class JdbcResultSet implements ResultSet { + /** Task name. */ + private static final String TASK_NAME = + "org.apache.ignite.internal.processors.cache.query.jdbc.GridCacheQueryJdbcTask"; + + /** Statement. */ + private final JdbcStatement stmt; + + /** Node ID. */ + private final UUID nodeId; + + /** Future ID. */ + private final UUID futId; + + /** Table names. */ + private final List<String> tbls; + + /** Column names. */ + private final List<String> cols; + + /** Class names. */ + private final List<String> types; + + /** Fields iterator. */ + private Iterator<List<Object>> fields; + + /** Finished flag. */ + private boolean finished; + + /** Current position. */ + private int pos; + + /** Current. */ + private List<Object> curr; + + /** Closed flag. */ + private boolean closed; + + /** Was {@code NULL} flag. */ + private boolean wasNull; + + /** Fetch size. */ + private int fetchSize; + + /** + * Creates new result set. + * + * @param stmt Statement. + * @param nodeId Node ID. + * @param futId Future ID. + * @param tbls Table names. + * @param cols Column names. + * @param types Types. + * @param fields Fields. + * @param finished Finished flag. + * @param fetchSize Fetch size. + */ + JdbcResultSet(JdbcStatement stmt, UUID nodeId, UUID futId, + List<String> tbls, List<String> cols, List<String> types, + Collection<List<Object>> fields, boolean finished, int fetchSize) { + assert stmt != null; + assert nodeId != null; + assert futId != null; + assert tbls != null; + assert cols != null; + assert types != null; + assert fields != null; + assert fetchSize > 0; + + this.stmt = stmt; + this.nodeId = nodeId; + this.futId = futId; + this.tbls = tbls; + this.cols = cols; + this.types = types; + this.fetchSize = fetchSize; + this.fields = fields.iterator(); + this.finished = finished; + } + + /** + * Creates new result set with predefined fields. + * Result set created with this constructor will + * never execute remote tasks. + * + * @param stmt Statement. + * @param tbls Table names. + * @param cols Column names. + * @param types Types. + * @param fields Fields. + */ + JdbcResultSet(JdbcStatement stmt, List<String> tbls, List<String> cols, + List<String> types, Collection<List<Object>> fields) { + assert stmt != null; + assert tbls != null; + assert cols != null; + assert types != null; + assert fields != null; + + this.stmt = stmt; + this.tbls = tbls; + this.cols = cols; + this.types = types; + this.fields = fields.iterator(); + + nodeId = null; + futId = null; + + // Prevent task execution. + finished = true; + } + + /** {@inheritDoc} */ + @Override public boolean next() throws SQLException { + ensureNotClosed(); + + if (fields == null && !finished) { + assert nodeId != null; + assert futId != null; + + try { + GridClientCompute compute = stmt.connection().client().compute(); + + GridClientCompute prj = compute.projection(compute.node(nodeId)); + + byte[] packet = prj.execute(TASK_NAME, JdbcUtils.marshalArgument( + JdbcUtils.taskArgument(nodeId, futId, fetchSize, stmt.getMaxRows()))); + + byte status = packet[0]; + byte[] data = new byte[packet.length - 1]; + + U.arrayCopy(packet, 1, data, 0, data.length); + + if (status == 1) + throw JdbcUtils.unmarshalError(data); + else { + List<?> msg = JdbcUtils.unmarshal(data); + + assert msg.size() == 2; + + fields = ((Collection<List<Object>>)msg.get(0)).iterator(); + finished = (Boolean)msg.get(1); + } + } + catch (GridClientException e) { - throw new SQLException("Failed to query GridGain.", e); ++ throw new SQLException("Failed to query Ignite.", e); + } + } + + if (fields != null && fields.hasNext()) { + curr = fields.next(); + + if (!fields.hasNext()) + fields = null; + + pos++; + + return true; + } + else { + curr = null; + + return false; + } + } + + /** {@inheritDoc} */ + @Override public void close() throws SQLException { + closed = true; + } + + /** {@inheritDoc} */ + @Override public boolean wasNull() throws SQLException { + return wasNull; + } + + /** {@inheritDoc} */ + @Override public String getString(int colIdx) throws SQLException { + return getTypedValue(colIdx, String.class); + } + + /** {@inheritDoc} */ + @Override public boolean getBoolean(int colIdx) throws SQLException { + Boolean val = getTypedValue(colIdx, Boolean.class); + + return val != null ? val : false; + } + + /** {@inheritDoc} */ + @Override public byte getByte(int colIdx) throws SQLException { + Byte val = getTypedValue(colIdx, Byte.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public short getShort(int colIdx) throws SQLException { + Short val = getTypedValue(colIdx, Short.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public int getInt(int colIdx) throws SQLException { + Integer val = getTypedValue(colIdx, Integer.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public long getLong(int colIdx) throws SQLException { + Long val = getTypedValue(colIdx, Long.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public float getFloat(int colIdx) throws SQLException { + Float val = getTypedValue(colIdx, Float.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public double getDouble(int colIdx) throws SQLException { + Double val = getTypedValue(colIdx, Double.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public BigDecimal getBigDecimal(int colIdx, int scale) throws SQLException { + return getTypedValue(colIdx, BigDecimal.class); + } + + /** {@inheritDoc} */ + @Override public byte[] getBytes(int colIdx) throws SQLException { + return getTypedValue(colIdx, byte[].class); + } + + /** {@inheritDoc} */ + @Override public Date getDate(int colIdx) throws SQLException { + return getTypedValue(colIdx, Date.class); + } + + /** {@inheritDoc} */ + @Override public Time getTime(int colIdx) throws SQLException { + return getTypedValue(colIdx, Time.class); + } + + /** {@inheritDoc} */ + @Override public Timestamp getTimestamp(int colIdx) throws SQLException { + return getTypedValue(colIdx, Timestamp.class); + } + + /** {@inheritDoc} */ + @Override public InputStream getAsciiStream(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public InputStream getUnicodeStream(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public InputStream getBinaryStream(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Stream are not supported."); + } + + /** {@inheritDoc} */ + @Override public String getString(String colLb) throws SQLException { + return getTypedValue(colLb, String.class); + } + + /** {@inheritDoc} */ + @Override public boolean getBoolean(String colLb) throws SQLException { + Boolean val = getTypedValue(colLb, Boolean.class); + + return val != null ? val : false; + } + + /** {@inheritDoc} */ + @Override public byte getByte(String colLb) throws SQLException { + Byte val = getTypedValue(colLb, Byte.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public short getShort(String colLb) throws SQLException { + Short val = getTypedValue(colLb, Short.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public int getInt(String colLb) throws SQLException { + Integer val = getTypedValue(colLb, Integer.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public long getLong(String colLb) throws SQLException { + Long val = getTypedValue(colLb, Long.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public float getFloat(String colLb) throws SQLException { + Float val = getTypedValue(colLb, Float.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public double getDouble(String colLb) throws SQLException { + Double val = getTypedValue(colLb, Double.class); + + return val != null ? val : 0; + } + + /** {@inheritDoc} */ + @Override public BigDecimal getBigDecimal(String colLb, int scale) throws SQLException { + return getTypedValue(colLb, BigDecimal.class); + } + + /** {@inheritDoc} */ + @Override public byte[] getBytes(String colLb) throws SQLException { + return getTypedValue(colLb, byte[].class); + } + + /** {@inheritDoc} */ + @Override public Date getDate(String colLb) throws SQLException { + return getTypedValue(colLb, Date.class); + } + + /** {@inheritDoc} */ + @Override public Time getTime(String colLb) throws SQLException { + return getTypedValue(colLb, Time.class); + } + + /** {@inheritDoc} */ + @Override public Timestamp getTimestamp(String colLb) throws SQLException { + return getTypedValue(colLb, Timestamp.class); + } + + /** {@inheritDoc} */ + @Override public InputStream getAsciiStream(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public InputStream getUnicodeStream(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public InputStream getBinaryStream(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public SQLWarning getWarnings() throws SQLException { + ensureNotClosed(); + + return null; + } + + /** {@inheritDoc} */ + @Override public void clearWarnings() throws SQLException { + ensureNotClosed(); + } + + /** {@inheritDoc} */ + @Override public String getCursorName() throws SQLException { + ensureNotClosed(); + + return null; + } + + /** {@inheritDoc} */ + @Override public ResultSetMetaData getMetaData() throws SQLException { + ensureNotClosed(); + + return new JdbcResultSetMetadata(tbls, cols, types); + } + + /** {@inheritDoc} */ + @Override public Object getObject(int colIdx) throws SQLException { + return getTypedValue(colIdx, Object.class); + } + + /** {@inheritDoc} */ + @Override public Object getObject(String colLb) throws SQLException { + return getTypedValue(colLb, Object.class); + } + + /** {@inheritDoc} */ + @Override public int findColumn(String colLb) throws SQLException { + ensureNotClosed(); + + int idx = cols.indexOf(colLb.toUpperCase()); + + if (idx == -1) + throw new SQLException("Column not found: " + colLb); + + return idx + 1; + } + + /** {@inheritDoc} */ + @Override public Reader getCharacterStream(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public Reader getCharacterStream(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Streams are not supported."); + } + + /** {@inheritDoc} */ + @Override public BigDecimal getBigDecimal(int colIdx) throws SQLException { + return getTypedValue(colIdx, BigDecimal.class); + } + + /** {@inheritDoc} */ + @Override public BigDecimal getBigDecimal(String colLb) throws SQLException { + return getTypedValue(colLb, BigDecimal.class); + } + + /** {@inheritDoc} */ + @Override public boolean isBeforeFirst() throws SQLException { + ensureNotClosed(); + + return pos < 1; + } + + /** {@inheritDoc} */ + @Override public boolean isAfterLast() throws SQLException { + ensureNotClosed(); + + return finished && fields == null && curr == null; + } + + /** {@inheritDoc} */ + @Override public boolean isFirst() throws SQLException { + ensureNotClosed(); + + return pos == 1; + } + + /** {@inheritDoc} */ + @Override public boolean isLast() throws SQLException { + ensureNotClosed(); + + return finished && fields == null && curr != null; + } + + /** {@inheritDoc} */ + @Override public void beforeFirst() throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public void afterLast() throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public boolean first() throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public boolean last() throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public int getRow() throws SQLException { + ensureNotClosed(); + + return isAfterLast() ? 0 : pos; + } + + /** {@inheritDoc} */ + @Override public boolean absolute(int row) throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public boolean relative(int rows) throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public boolean previous() throws SQLException { + ensureNotClosed(); + + throw new SQLException("Result set is forward-only."); + } + + /** {@inheritDoc} */ + @Override public void setFetchDirection(int direction) throws SQLException { + ensureNotClosed(); + + if (direction != FETCH_FORWARD) + throw new SQLFeatureNotSupportedException("Only forward direction is supported"); + } + + /** {@inheritDoc} */ + @Override public int getFetchDirection() throws SQLException { + ensureNotClosed(); + + return FETCH_FORWARD; + } + + /** {@inheritDoc} */ + @Override public void setFetchSize(int fetchSize) throws SQLException { + ensureNotClosed(); + + if (fetchSize <= 0) + throw new SQLException("Fetch size must be greater than zero."); + + this.fetchSize = fetchSize; + } + + /** {@inheritDoc} */ + @Override public int getFetchSize() throws SQLException { + ensureNotClosed(); + + return fetchSize; + } + + /** {@inheritDoc} */ + @Override public int getType() throws SQLException { + ensureNotClosed(); + + return stmt.getResultSetType(); + } + + /** {@inheritDoc} */ + @Override public int getConcurrency() throws SQLException { + ensureNotClosed(); + + return CONCUR_READ_ONLY; + } + + /** {@inheritDoc} */ + @Override public boolean rowUpdated() throws SQLException { + ensureNotClosed(); + + return false; + } + + /** {@inheritDoc} */ + @Override public boolean rowInserted() throws SQLException { + ensureNotClosed(); + + return false; + } + + /** {@inheritDoc} */ + @Override public boolean rowDeleted() throws SQLException { + ensureNotClosed(); + + return false; + } + + /** {@inheritDoc} */ + @Override public void updateNull(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBoolean(int colIdx, boolean x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateByte(int colIdx, byte x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateShort(int colIdx, short x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateInt(int colIdx, int x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateLong(int colIdx, long x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateFloat(int colIdx, float x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateDouble(int colIdx, double x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBigDecimal(int colIdx, BigDecimal x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateString(int colIdx, String x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBytes(int colIdx, byte[] x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateDate(int colIdx, Date x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateTime(int colIdx, Time x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateTimestamp(int colIdx, Timestamp x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateAsciiStream(int colIdx, InputStream x, int len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBinaryStream(int colIdx, InputStream x, int len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateCharacterStream(int colIdx, Reader x, int len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateObject(int colIdx, Object x, int scaleOrLen) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateObject(int colIdx, Object x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNull(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBoolean(String colLb, boolean x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateByte(String colLb, byte x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateShort(String colLb, short x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateInt(String colLb, int x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateLong(String colLb, long x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateFloat(String colLb, float x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateDouble(String colLb, double x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBigDecimal(String colLb, BigDecimal x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateString(String colLb, String x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBytes(String colLb, byte[] x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateDate(String colLb, Date x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateTime(String colLb, Time x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateTimestamp(String colLb, Timestamp x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateAsciiStream(String colLb, InputStream x, int len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBinaryStream(String colLb, InputStream x, int len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateCharacterStream(String colLb, Reader reader, int len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateObject(String colLb, Object x, int scaleOrLen) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateObject(String colLb, Object x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void insertRow() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateRow() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void deleteRow() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void refreshRow() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Row refreshing is not supported."); + } + + /** {@inheritDoc} */ + @Override public void cancelRowUpdates() throws SQLException { + ensureNotClosed(); + } + + /** {@inheritDoc} */ + @Override public void moveToInsertRow() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void moveToCurrentRow() throws SQLException { + ensureNotClosed(); + } + + /** {@inheritDoc} */ + @Override public Statement getStatement() throws SQLException { + ensureNotClosed(); + + return stmt; + } + + /** {@inheritDoc} */ + @Override public Object getObject(int colIdx, Map<String, Class<?>> map) throws SQLException { + return getTypedValue(colIdx, Object.class); + } + + /** {@inheritDoc} */ + @Override public Ref getRef(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Blob getBlob(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Clob getClob(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Array getArray(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Object getObject(String colLb, Map<String, Class<?>> map) throws SQLException { + return getTypedValue(colLb, Object.class); + } + + /** {@inheritDoc} */ + @Override public Ref getRef(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Blob getBlob(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Clob getClob(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Array getArray(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Date getDate(int colIdx, Calendar cal) throws SQLException { + return getTypedValue(colIdx, Date.class); + } + + /** {@inheritDoc} */ + @Override public Date getDate(String colLb, Calendar cal) throws SQLException { + return getTypedValue(colLb, Date.class); + } + + /** {@inheritDoc} */ + @Override public Time getTime(int colIdx, Calendar cal) throws SQLException { + return getTypedValue(colIdx, Time.class); + } + + /** {@inheritDoc} */ + @Override public Time getTime(String colLb, Calendar cal) throws SQLException { + return getTypedValue(colLb, Time.class); + } + + /** {@inheritDoc} */ + @Override public Timestamp getTimestamp(int colIdx, Calendar cal) throws SQLException { + return getTypedValue(colIdx, Timestamp.class); + } + + /** {@inheritDoc} */ + @Override public Timestamp getTimestamp(String colLb, Calendar cal) throws SQLException { + return getTypedValue(colLb, Timestamp.class); + } + + /** {@inheritDoc} */ + @Override public URL getURL(int colIdx) throws SQLException { + return getTypedValue(colIdx, URL.class); + } + + /** {@inheritDoc} */ + @Override public URL getURL(String colLb) throws SQLException { + return getTypedValue(colLb, URL.class); + } + + /** {@inheritDoc} */ + @Override public void updateRef(int colIdx, Ref x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateRef(String colLb, Ref x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBlob(int colIdx, Blob x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBlob(String colLb, Blob x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateClob(int colIdx, Clob x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateClob(String colLb, Clob x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateArray(int colIdx, Array x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateArray(String colLb, Array x) throws SQLException { + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public RowId getRowId(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public RowId getRowId(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateRowId(int colIdx, RowId x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateRowId(String colLb, RowId x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public int getHoldability() throws SQLException { + ensureNotClosed(); + + return HOLD_CURSORS_OVER_COMMIT; + } + + /** {@inheritDoc} */ + @Override public boolean isClosed() throws SQLException { + return closed; + } + + /** {@inheritDoc} */ + @Override public void updateNString(int colIdx, String nStr) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNString(String colLb, String nStr) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNClob(int colIdx, NClob nClob) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNClob(String colLb, NClob nClob) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public NClob getNClob(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public NClob getNClob(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public SQLXML getSQLXML(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public SQLXML getSQLXML(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateSQLXML(int colIdx, SQLXML xmlObj) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateSQLXML(String colLb, SQLXML xmlObj) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public String getNString(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public String getNString(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Reader getNCharacterStream(int colIdx) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public Reader getNCharacterStream(String colLb) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("SQL-specific types are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNCharacterStream(int colIdx, Reader x, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNCharacterStream(String colLb, Reader reader, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateAsciiStream(int colIdx, InputStream x, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBinaryStream(int colIdx, InputStream x, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateCharacterStream(int colIdx, Reader x, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateAsciiStream(String colLb, InputStream x, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBinaryStream(String colLb, InputStream x, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateCharacterStream(String colLb, Reader reader, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBlob(int colIdx, InputStream inputStream, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBlob(String colLb, InputStream inputStream, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateClob(int colIdx, Reader reader, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateClob(String colLb, Reader reader, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNClob(int colIdx, Reader reader, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNClob(String colLb, Reader reader, long len) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNCharacterStream(int colIdx, Reader x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNCharacterStream(String colLb, Reader reader) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateAsciiStream(int colIdx, InputStream x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBinaryStream(int colIdx, InputStream x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateCharacterStream(int colIdx, Reader x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateAsciiStream(String colLb, InputStream x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBinaryStream(String colLb, InputStream x) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateCharacterStream(String colLb, Reader reader) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBlob(int colIdx, InputStream inputStream) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateBlob(String colLb, InputStream inputStream) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateClob(int colIdx, Reader reader) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateClob(String colLb, Reader reader) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNClob(int colIdx, Reader reader) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void updateNClob(String colLb, Reader reader) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public <T> T unwrap(Class<T> iface) throws SQLException { + if (!isWrapperFor(iface)) + throw new SQLException("Result set is not a wrapper for " + iface.getName()); + + return (T)this; + } + + /** {@inheritDoc} */ + @Override public boolean isWrapperFor(Class<?> iface) throws SQLException { + return iface != null && iface == ResultSet.class; + } + + /** {@inheritDoc} */ + @Override public <T> T getObject(int colIdx, Class<T> type) throws SQLException { + return getTypedValue(colIdx, type); + } + + /** {@inheritDoc} */ + @Override public <T> T getObject(String colLb, Class<T> type) throws SQLException { + return getTypedValue(colLb, type); + } + + /** + * Gets casted field value by label. + * + * @param colLb Column label. + * @param cls Value class. + * @return Casted field value. + * @throws SQLException In case of error. + */ + private <T> T getTypedValue(String colLb, Class<T> cls) throws SQLException { + ensureNotClosed(); + ensureHasCurrentRow(); + + int colIdx = cols.indexOf(colLb.toUpperCase()) + 1; + + if (colIdx <= 0) + throw new SQLException("Invalid column label: " + colLb); + + return getTypedValue(colIdx, cls); + } + + /** + * Gets casted field value by index. + * + * @param colIdx Column index. + * @param cls Value class. + * @return Casted field value. + * @throws SQLException In case of error. + */ + private <T> T getTypedValue(int colIdx, Class<T> cls) throws SQLException { + ensureNotClosed(); + ensureHasCurrentRow(); + + try { + T val = cls == String.class ? (T)String.valueOf(curr.get(colIdx - 1)) : (T)curr.get(colIdx - 1); + + wasNull = val == null; + + return val; + } + catch (IndexOutOfBoundsException ignored) { + throw new SQLException("Invalid column index: " + colIdx); + } + catch (ClassCastException ignored) { + throw new SQLException("Value is an not instance of " + cls.getName()); + } + } + + /** + * Ensures that result set is not closed. + * + * @throws SQLException If result set is closed. + */ + private void ensureNotClosed() throws SQLException { + if (closed) + throw new SQLException("Result set is closed."); + } + + /** + * Ensures that result set is positioned on a row. + * + * @throws SQLException If result set is not positioned on a row. + */ + private void ensureHasCurrentRow() throws SQLException { + if (curr == null) + throw new SQLException("Result set is not positioned on a row."); + } +}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcStatement.java ---------------------------------------------------------------------- diff --cc modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcStatement.java index 84fdf93,0000000..3ef60af mode 100644,000000..100644 --- a/modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcStatement.java +++ b/modules/core/src/main/java/org/apache/ignite/internal/jdbc/JdbcStatement.java @@@ -1,448 -1,0 +1,448 @@@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.internal.jdbc; + +import org.apache.ignite.client.*; +import org.apache.ignite.internal.util.typedef.internal.*; + +import java.sql.*; +import java.util.*; + +import static java.sql.ResultSet.*; + +/** + * JDBC statement implementation. + */ +public class JdbcStatement implements Statement { + /** Task name. */ + private static final String TASK_NAME = + "org.apache.ignite.internal.processors.cache.query.jdbc.GridCacheQueryJdbcTask"; + + /** Default fetch size. */ + private static final int DFLT_FETCH_SIZE = 1024; + + /** Connection. */ + private final JdbcConnection conn; + + /** Closed flag. */ + private boolean closed; + + /** Rows limit. */ + private int maxRows; + + /** Query timeout. */ + private int timeout; + + /** Current result set. */ + private ResultSet rs; + + /** Query arguments. */ + protected Object[] args; + + /** Fetch size. */ + private int fetchSize = DFLT_FETCH_SIZE; + + /** + * Creates new statement. + * + * @param conn Connection. + */ + JdbcStatement(JdbcConnection conn) { + assert conn != null; + + this.conn = conn; + } + + /** {@inheritDoc} */ + @Override public ResultSet executeQuery(String sql) throws SQLException { + ensureNotClosed(); + + rs = null; + + if (sql == null || sql.isEmpty()) + throw new SQLException("SQL query is empty"); + + try { + byte[] packet = conn.client().compute().execute(TASK_NAME, + JdbcUtils.marshalArgument(JdbcUtils.taskArgument(conn.nodeId(), conn.cacheName(), sql, + timeout, args, fetchSize, maxRows))); + + byte status = packet[0]; + byte[] data = new byte[packet.length - 1]; + + U.arrayCopy(packet, 1, data, 0, data.length); + + if (status == 1) + throw JdbcUtils.unmarshalError(data); + else { + List<?> msg = JdbcUtils.unmarshal(data); + + assert msg.size() == 7; + + UUID nodeId = (UUID)msg.get(0); + UUID futId = (UUID)msg.get(1); + List<String> tbls = (List<String>)msg.get(2); + List<String> cols = (List<String>)msg.get(3); + List<String> types = (List<String>)msg.get(4); + Collection<List<Object>> fields = (Collection<List<Object>>)msg.get(5); + boolean finished = (Boolean)msg.get(6); + + return new JdbcResultSet(this, nodeId, futId, tbls, cols, types, fields, finished, fetchSize); + } + } + catch (GridClientException e) { - throw new SQLException("Failed to query GridGain.", e); ++ throw new SQLException("Failed to query Ignite.", e); + } + } + + /** {@inheritDoc} */ + @Override public int executeUpdate(String sql) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void close() throws SQLException { + closed = true; + } + + /** {@inheritDoc} */ + @Override public int getMaxFieldSize() throws SQLException { + ensureNotClosed(); + + return 0; + } + + /** {@inheritDoc} */ + @Override public void setMaxFieldSize(int max) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Field size limitation is not supported."); + } + + /** {@inheritDoc} */ + @Override public int getMaxRows() throws SQLException { + ensureNotClosed(); + + return maxRows; + } + + /** {@inheritDoc} */ + @Override public void setMaxRows(int maxRows) throws SQLException { + ensureNotClosed(); + + this.maxRows = maxRows; + } + + /** {@inheritDoc} */ + @Override public void setEscapeProcessing(boolean enable) throws SQLException { + ensureNotClosed(); + } + + /** {@inheritDoc} */ + @Override public int getQueryTimeout() throws SQLException { + ensureNotClosed(); + + return timeout; + } + + /** {@inheritDoc} */ + @Override public void setQueryTimeout(int timeout) throws SQLException { + ensureNotClosed(); + + this.timeout = timeout * 1000; + } + + /** {@inheritDoc} */ + @Override public void cancel() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Cancellation is not supported."); + } + + /** {@inheritDoc} */ + @Override public SQLWarning getWarnings() throws SQLException { + ensureNotClosed(); + + return null; + } + + /** {@inheritDoc} */ + @Override public void clearWarnings() throws SQLException { + ensureNotClosed(); + } + + /** {@inheritDoc} */ + @Override public void setCursorName(String name) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public boolean execute(String sql) throws SQLException { + ensureNotClosed(); + + rs = executeQuery(sql); + + return true; + } + + /** {@inheritDoc} */ + @Override public ResultSet getResultSet() throws SQLException { + ensureNotClosed(); + + ResultSet rs0 = rs; + + rs = null; + + return rs0; + } + + /** {@inheritDoc} */ + @Override public int getUpdateCount() throws SQLException { + ensureNotClosed(); + + return -1; + } + + /** {@inheritDoc} */ + @Override public boolean getMoreResults() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Multiple open results are not supported."); + } + + /** {@inheritDoc} */ + @Override public void setFetchDirection(int direction) throws SQLException { + ensureNotClosed(); + + if (direction != FETCH_FORWARD) + throw new SQLFeatureNotSupportedException("Only forward direction is supported"); + } + + /** {@inheritDoc} */ + @Override public int getFetchDirection() throws SQLException { + ensureNotClosed(); + + return FETCH_FORWARD; + } + + /** {@inheritDoc} */ + @Override public void setFetchSize(int fetchSize) throws SQLException { + ensureNotClosed(); + + if (fetchSize <= 0) + throw new SQLException("Fetch size must be greater than zero."); + + this.fetchSize = fetchSize; + } + + /** {@inheritDoc} */ + @Override public int getFetchSize() throws SQLException { + ensureNotClosed(); + + return fetchSize; + } + + /** {@inheritDoc} */ + @Override public int getResultSetConcurrency() throws SQLException { + ensureNotClosed(); + + return CONCUR_READ_ONLY; + } + + /** {@inheritDoc} */ + @Override public int getResultSetType() throws SQLException { + ensureNotClosed(); + + return TYPE_FORWARD_ONLY; + } + + /** {@inheritDoc} */ + @Override public void addBatch(String sql) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public void clearBatch() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public int[] executeBatch() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public Connection getConnection() throws SQLException { + ensureNotClosed(); + + return conn; + } + + /** {@inheritDoc} */ + @Override public boolean getMoreResults(int curr) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Multiple open results are not supported."); + } + + /** {@inheritDoc} */ + @Override public ResultSet getGeneratedKeys() throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public int executeUpdate(String sql, int[] colIndexes) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public int executeUpdate(String sql, String[] colNames) throws SQLException { + ensureNotClosed(); + + throw new SQLFeatureNotSupportedException("Updates are not supported."); + } + + /** {@inheritDoc} */ + @Override public boolean execute(String sql, int autoGeneratedKeys) throws SQLException { + ensureNotClosed(); + + if (autoGeneratedKeys == RETURN_GENERATED_KEYS) + throw new SQLFeatureNotSupportedException("Updates are not supported."); + + return execute(sql); + } + + /** {@inheritDoc} */ + @Override public boolean execute(String sql, int[] colIndexes) throws SQLException { + ensureNotClosed(); + + if (colIndexes != null && colIndexes.length > 0) + throw new SQLFeatureNotSupportedException("Updates are not supported."); + + return execute(sql); + } + + /** {@inheritDoc} */ + @Override public boolean execute(String sql, String[] colNames) throws SQLException { + ensureNotClosed(); + + if (colNames != null && colNames.length > 0) + throw new SQLFeatureNotSupportedException("Updates are not supported."); + + return execute(sql); + } + + /** {@inheritDoc} */ + @Override public int getResultSetHoldability() throws SQLException { + ensureNotClosed(); + + return HOLD_CURSORS_OVER_COMMIT; + } + + /** {@inheritDoc} */ + @Override public boolean isClosed() throws SQLException { + return closed; + } + + /** {@inheritDoc} */ + @Override public void setPoolable(boolean poolable) throws SQLException { + ensureNotClosed(); + + if (poolable) + throw new SQLFeatureNotSupportedException("Pooling is not supported."); + } + + /** {@inheritDoc} */ + @Override public boolean isPoolable() throws SQLException { + ensureNotClosed(); + + return false; + } + + /** {@inheritDoc} */ + @Override public <T> T unwrap(Class<T> iface) throws SQLException { + if (!isWrapperFor(iface)) + throw new SQLException("Statement is not a wrapper for " + iface.getName()); + + return (T)this; + } + + /** {@inheritDoc} */ + @Override public boolean isWrapperFor(Class<?> iface) throws SQLException { + return iface != null && iface == Statement.class; + } + + /** {@inheritDoc} */ + @Override public void closeOnCompletion() throws SQLException { + throw new SQLFeatureNotSupportedException("closeOnCompletion is not supported."); + } + + /** {@inheritDoc} */ + @Override public boolean isCloseOnCompletion() throws SQLException { + ensureNotClosed(); + + return false; + } + + /** + * Sets timeout in milliseconds. + * + * @param timeout Timeout. + */ + void timeout(int timeout) { + this.timeout = timeout; + } + + /** + * @return Connection. + */ + JdbcConnection connection() { + return conn; + } + + /** + * Ensures that statement is not closed. + * + * @throws SQLException If statement is closed. + */ + protected void ensureNotClosed() throws SQLException { + if (closed) + throw new SQLException("Statement is closed."); + } +} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/managers/GridManagerAdapter.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/managers/communication/GridIoManager.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/managers/discovery/GridDiscoveryManager.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/managers/eventstorage/GridEventStorageManager.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheAttributes.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheUtils.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/IgniteCacheProxy.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/fs/GridGgfsContext.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/fs/GridGgfsImpl.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/fs/IgniteFsProcessor.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/rest/protocols/tcp/GridTcpRestParser.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/processors/rest/protocols/tcp/GridTcpRestProtocol.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/util/lang/GridFunc.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCacheConfiguration.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/internal/visor/util/VisorTaskUtils.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/lifecycle/LifecycleBean.java ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/logger/LoggerNodeIdAware.java ---------------------------------------------------------------------- diff --cc modules/core/src/main/java/org/apache/ignite/logger/LoggerNodeIdAware.java index 1250436,0000000..8a5db87 mode 100644,000000..100644 --- a/modules/core/src/main/java/org/apache/ignite/logger/LoggerNodeIdAware.java +++ b/modules/core/src/main/java/org/apache/ignite/logger/LoggerNodeIdAware.java @@@ -1,39 -1,0 +1,39 @@@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.logger; + +import java.util.*; + +/** - * Interface for GridGain file appenders to attach node ID to log file names. ++ * Interface for Ignite file appenders to attach node ID to log file names. + */ +public interface LoggerNodeIdAware { + /** + * Sets node ID. + * + * @param nodeId Node ID. + */ + public void setNodeId(UUID nodeId); + + /** + * Gets node ID. + * + * @return Node ID. + */ + public UUID getNodeId(); +} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/logger/java/JavaLogger.java ---------------------------------------------------------------------- diff --cc modules/core/src/main/java/org/apache/ignite/logger/java/JavaLogger.java index cb4c450,0000000..a9e3d0a mode 100644,000000..100644 --- a/modules/core/src/main/java/org/apache/ignite/logger/java/JavaLogger.java +++ b/modules/core/src/main/java/org/apache/ignite/logger/java/JavaLogger.java @@@ -1,388 -1,0 +1,388 @@@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.logger.java; + +import org.apache.ignite.*; +import org.apache.ignite.internal.util.typedef.*; +import org.apache.ignite.internal.util.typedef.internal.*; +import org.apache.ignite.logger.*; +import org.jetbrains.annotations.*; + +import java.io.*; +import java.net.*; +import java.util.*; +import java.util.logging.*; + +import static java.util.logging.Level.*; +import static org.apache.ignite.IgniteSystemProperties.*; + +/** + * Logger to use with Java logging. Implementation simply delegates to Java Logging. + * <p> - * Here is an example of configuring Java logger in GridGain configuration Spring ++ * Here is an example of configuring Java logger in Ignite configuration Spring + * file to work over log4j implementation. Note that we use the same configuration file + * as we provide by default: + * <pre name="code" class="xml"> + * ... + * <property name="gridLogger"> - * <bean class="org.gridgain.grid.logger.java.GridJavaLogger"> ++ * <bean class="org.apache.ignite.logger.java.IgniteJavaLogger"> + * <constructor-arg type="java.util.logging.Logger"> + * <bean class="java.util.logging.Logger"> + * <constructor-arg type="java.lang.String" value="global"/> + * </bean> + * </constructor-arg> + * </bean> + * </property> + * ... + * </pre> + * or + * <pre name="code" class="xml"> + * ... + * <property name="gridLogger"> - * <bean class="org.gridgain.grid.logger.java.GridJavaLogger"/> ++ * <bean class="org.apache.ignite.logger.java.IgniteJavaLogger"/> + * </property> + * ... + * </pre> - * And the same configuration if you'd like to configure GridGain in your code: ++ * And the same configuration if you'd like to configure Ignite in your code: + * <pre name="code" class="java"> + * GridConfiguration cfg = new GridConfiguration(); + * ... + * GridLogger log = new GridJavaLogger(Logger.global); + * ... + * cfg.setGridLogger(log); + * </pre> + * or which is actually the same: + * <pre name="code" class="java"> + * GridConfiguration cfg = new GridConfiguration(); + * ... + * GridLogger log = new GridJavaLogger(); + * ... + * cfg.setGridLogger(log); + * </pre> + * Please take a look at <a target=_new href="http://java.sun.com/j2se/1.4.2/docs/api20/java/util/logging/Logger.html";>Logger javadoc</a> + * for additional information. + * <p> - * It's recommended to use GridGain logger injection instead of using/instantiating ++ * It's recommended to use Ignite logger injection instead of using/instantiating + * logger in your task/job code. See {@link org.apache.ignite.resources.LoggerResource} annotation about logger + * injection. + */ +public class JavaLogger implements IgniteLogger, LoggerNodeIdAware { + /** */ + private static final long serialVersionUID = 0L; + + /** */ + public static final String DFLT_CONFIG_PATH = "config/java.util.logging.properties"; + + /** */ + private static final Object mux = new Object(); + + /** */ + private static volatile boolean inited; + + /** */ + private static volatile boolean quiet0; + + /** Java Logging implementation proxy. */ + @SuppressWarnings("FieldAccessedSynchronizedAndUnsynchronized") + private Logger impl; + + /** Quiet flag. */ + private final boolean quiet; + + /** Node ID. */ + private volatile UUID nodeId; + + /** + * Creates new logger. + */ + public JavaLogger() { + this(!isConfigured()); + } + + /** + * Checks if logger is already configured within this VM or not. + * + * @return {@code True} if logger was already configured, {@code false} otherwise. + */ + public static boolean isConfigured() { + return System.getProperty("java.util.logging.config.file") != null; + } + + /** + * Reads default JUL configuration. + */ + private void defaultConfiguration() { - final URL cfgUrl = U.resolveGridGainUrl(DFLT_CONFIG_PATH); ++ final URL cfgUrl = U.resolveIgniteUrl(DFLT_CONFIG_PATH); + + if (cfgUrl == null) { + error("Failed to resolve default logging config file: " + DFLT_CONFIG_PATH); + + return; + } + + try (InputStream in = cfgUrl.openStream()) { + LogManager.getLogManager().readConfiguration(in); + } + catch (IOException e) { + error("Failed to read logging configuration: " + cfgUrl, e); + } + } + + /** + * Creates new logger. + * + * @param init If {@code true}, then a default console appender will be created. + * If {@code false}, then no implicit initialization will take place, + * and java logger should be configured prior to calling this constructor. + */ + public JavaLogger(boolean init) { + impl = Logger.getLogger(""); + + if (init) { + // Implementation has already been inited, passing NULL. + configure(null); + + quiet = quiet0; + } + else + quiet = true; + } + + /** + * Creates new logger with given implementation. + * + * @param impl Java Logging implementation to use. + */ + public JavaLogger(final Logger impl) { + assert impl != null; + + configure(impl); + + quiet = quiet0; + } + + /** {@inheritDoc} */ + @Override public IgniteLogger getLogger(Object ctgr) { + return new JavaLogger(ctgr == null ? Logger.getLogger("") : Logger.getLogger( + ctgr instanceof Class ? ((Class)ctgr).getName() : String.valueOf(ctgr))); + } + + /** + * Configures handlers when needed. + * + * @param initImpl Optional log implementation. + */ + private void configure(@Nullable Logger initImpl) { + if (initImpl != null) + impl = initImpl; + + if (inited) + return; + + synchronized (mux) { + if (inited) + return; + + if (isConfigured()) { + boolean consoleHndFound = findHandler(impl, ConsoleHandler.class) != null; + + // User configured console appender, thus log is not quiet. + quiet0 = !consoleHndFound; + inited = true; + + return; + } + + defaultConfiguration(); + + boolean quiet = Boolean.valueOf(System.getProperty(IGNITE_QUIET, "true")); + boolean useConsoleAppender = Boolean.valueOf(System.getProperty(IGNITE_CONSOLE_APPENDER, "true")); + + if (useConsoleAppender) { + ConsoleHandler consoleHnd = findHandler(impl, ConsoleHandler.class); + + if (consoleHnd != null) + consoleHnd.setLevel(quiet ? SEVERE : INFO); + else + System.err.println("Console logging handler is not configured."); + } + else { + Handler[] handlers = Logger.getLogger("").getHandlers(); + + if (!F.isEmpty(handlers)) { + for (Handler h : handlers) { + if (h instanceof ConsoleHandler) + impl.removeHandler(h); + } + } + } + + quiet0 = quiet; + inited = true; + } + } + + /** {@inheritDoc} */ + @Override public void trace(String msg) { + if (!impl.isLoggable(FINEST)) + warning("Logging at TRACE level without checking if TRACE level is enabled: " + msg); + + impl.finest(msg); + } + + /** {@inheritDoc} */ + @Override public void debug(String msg) { + if (!impl.isLoggable(FINE)) + warning("Logging at DEBUG level without checking if DEBUG level is enabled: " + msg); + + impl.fine(msg); + } + + /** {@inheritDoc} */ + @Override public void info(String msg) { + if (!impl.isLoggable(INFO)) + warning("Logging at INFO level without checking if INFO level is enabled: " + msg); + + impl.info(msg); + } + + /** {@inheritDoc} */ + @Override public void warning(String msg) { + impl.warning(msg); + } + + /** {@inheritDoc} */ + @Override public void warning(String msg, @Nullable Throwable e) { + impl.log(WARNING, msg, e); + } + + /** {@inheritDoc} */ + @Override public void error(String msg) { + impl.severe(msg); + } + + /** {@inheritDoc} */ + @Override public boolean isQuiet() { + return quiet; + } + + /** {@inheritDoc} */ + @Override public void error(String msg, @Nullable Throwable e) { + impl.log(SEVERE, msg, e); + } + + /** {@inheritDoc} */ + @Override public boolean isTraceEnabled() { + return impl.isLoggable(FINEST); + } + + /** {@inheritDoc} */ + @Override public boolean isDebugEnabled() { + return impl.isLoggable(FINE); + } + + /** {@inheritDoc} */ + @Override public boolean isInfoEnabled() { + return impl.isLoggable(INFO); + } + + /** {@inheritDoc} */ + @Nullable @Override public String fileName() { + JavaLoggerFileHandler gridFileHnd = findHandler(impl, JavaLoggerFileHandler.class); + + if (gridFileHnd != null) + return gridFileHnd.fileName(); + + FileHandler fileHnd = findHandler(impl, FileHandler.class); + + return fileName(fileHnd); + } + + /** + * @param fileHnd File handler. + * @return Current log file or {@code null} if it can not be retrieved from file handler. + */ + @Nullable static String fileName(FileHandler fileHnd) { + if (fileHnd == null) + return null; + + try { + File[] logFiles = U.field(fileHnd, "files"); + + return logFiles[0].getAbsolutePath(); + } + catch (Exception ignored) { + return null; + } + } + + /** {@inheritDoc} */ + @Override public void setNodeId(UUID nodeId) { + A.notNull(nodeId, "nodeId"); + + if (this.nodeId != null) + return; + + synchronized (mux) { + // Double check. + if (this.nodeId != null) + return; + + this.nodeId = nodeId; + } + + JavaLoggerFileHandler fileHnd = findHandler(impl, JavaLoggerFileHandler.class); + + if (fileHnd == null) + return; + + try { + fileHnd.nodeId(nodeId); + } + catch (IgniteCheckedException | IOException e) { + throw new RuntimeException("Failed to enable file handler.", e); + } + } + + /** {@inheritDoc} */ + @Override public UUID getNodeId() { + return nodeId; + } + + /** + * Returns first found handler of specified class type or {@code null} if that handler isn't configured. + * + * @param log Logger. + * @param cls Class. + * @param <T> Class type. + * @return First found handler of specified class type or {@code null} if that handler isn't configured. + */ + @SuppressWarnings("unchecked") + private static <T> T findHandler(Logger log, Class<T> cls) { + while (log != null) { + for (Handler hnd : log.getHandlers()) { + if (cls.isInstance(hnd)) + return (T)hnd; + } + + log = log.getParent(); + } + + return null; + } +} http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/b08492a5/modules/core/src/main/java/org/apache/ignite/marshaller/Marshaller.java ---------------------------------------------------------------------- diff --cc modules/core/src/main/java/org/apache/ignite/marshaller/Marshaller.java index 14dd433,0000000..e2956dd mode 100644,000000..100644 --- a/modules/core/src/main/java/org/apache/ignite/marshaller/Marshaller.java +++ b/modules/core/src/main/java/org/apache/ignite/marshaller/Marshaller.java @@@ -1,109 -1,0 +1,109 @@@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.marshaller; + +import org.apache.ignite.*; +import org.jetbrains.annotations.*; + +import java.io.*; + +/** + * {@code GridMarshaller} allows to marshal or unmarshal objects in grid. It provides + * serialization/deserialization mechanism for all instances that are sent across networks + * or are otherwise serialized. + * <p> - * Gridgain provides the following {@code GridMarshaller} implementations: ++ * Ignite provides the following {@code GridMarshaller} implementations: + * <ul> + * <li>{@link org.apache.ignite.marshaller.optimized.OptimizedMarshaller} - default</li> + * <li>{@link org.apache.ignite.marshaller.jdk.JdkMarshaller}</li> + * </ul> + * <p> + * Below are examples of marshaller configuration, usage, and injection into tasks, jobs, + * and SPI's. + * <h2 class="header">Java Example</h2> + * {@code GridMarshaller} can be explicitely configured in code. + * <pre name="code" class="java"> + * GridJdkMarshaller marshaller = new GridJdkMarshaller(); + * + * GridConfiguration cfg = new GridConfiguration(); + * + * // Override marshaller. + * cfg.setMarshaller(marshaller); + * + * // Starts grid. + * G.start(cfg); + * </pre> + * <h2 class="header">Spring Example</h2> + * GridMarshaller can be configured from Spring XML configuration file: + * <pre name="code" class="xml"> - * <bean id="grid.custom.cfg" class="org.gridgain.grid.GridConfiguration" singleton="true"> ++ * <bean id="grid.custom.cfg" class="org.apache.ignite.configuration.IgniteConfiguration" singleton="true"> + * ... + * <property name="marshaller"> + * <bean class="org.apache.ignite.marshaller.jdk.GridJdkMarshaller"/> + * </property> + * ... + * </bean> + * </pre> + * <p> + * <img src="http://www.gridgain.com/images/spring-small.png";> + * <br> + * For information about Spring framework visit <a href="http://www.springframework.org/";>www.springframework.org</a> + */ +public interface Marshaller { + /** + * Marshals object to the output stream. This method should not close + * given output stream. + * + * @param obj Object to marshal. + * @param out Output stream to marshal into. + * @throws IgniteCheckedException If marshalling failed. + */ + public void marshal(@Nullable Object obj, OutputStream out) throws IgniteCheckedException; + + /** + * Marshals object to byte array. + * + * @param obj Object to marshal. + * @return Byte array. + * @throws IgniteCheckedException If marshalling failed. + */ + public byte[] marshal(@Nullable Object obj) throws IgniteCheckedException; + + /** + * Unmarshals object from the output stream using given class loader. + * This method should not close given input stream. + * + * @param <T> Type of unmarshalled object. + * @param in Input stream. + * @param clsLdr Class loader to use. + * @return Unmarshalled object. + * @throws IgniteCheckedException If unmarshalling failed. + */ + public <T> T unmarshal(InputStream in, @Nullable ClassLoader clsLdr) throws IgniteCheckedException; + + /** + * Unmarshals object from byte array using given class loader. + * + * @param <T> Type of unmarshalled object. + * @param arr Byte array. + * @param clsLdr Class loader to use. + * @return Unmarshalled object. + * @throws IgniteCheckedException If unmarshalling failed. + */ + public <T> T unmarshal(byte[] arr, @Nullable ClassLoader clsLdr) throws IgniteCheckedException; +}
![http://www.gridgain.com/images/spring-small.png"](http://www.gridgain.com/images/spring-small.png"){kind=link}