Author: markt Date: Tue Dec 3 20:04:46 2013 New Revision: 1547560 URL: http://svn.apache.org/r1547560 Log: Simplify. DelegatingConnection already calls its own checkOpen that performs the same test. No need to keep a second reference to the inner connection.
Modified: commons/proper/dbcp/trunk/src/java/org/apache/commons/dbcp2/PoolingDataSource.java Modified: commons/proper/dbcp/trunk/src/java/org/apache/commons/dbcp2/PoolingDataSource.java URL: http://svn.apache.org/viewvc/commons/proper/dbcp/trunk/src/java/org/apache/commons/dbcp2/PoolingDataSource.java?rev=1547560&r1=1547559&r2=1547560&view=diff ============================================================================== --- commons/proper/dbcp/trunk/src/java/org/apache/commons/dbcp2/PoolingDataSource.java (original) +++ commons/proper/dbcp/trunk/src/java/org/apache/commons/dbcp2/PoolingDataSource.java Tue Dec 3 20:04:46 2013 @@ -14,19 +14,13 @@ * See the License for the specific language governing permissions and * limitations under the License. */ - package org.apache.commons.dbcp2; import java.io.PrintWriter; -import java.sql.CallableStatement; + import java.sql.Connection; -import java.sql.DatabaseMetaData; -import java.sql.PreparedStatement; import java.sql.SQLException; import java.sql.SQLFeatureNotSupportedException; -import java.sql.SQLWarning; -import java.sql.Statement; -import java.util.Map; import java.util.NoSuchElementException; import java.util.logging.Logger; @@ -189,287 +183,8 @@ public class PoolingDataSource implement */ private class PoolGuardConnectionWrapper extends DelegatingConnection { - private Connection delegate; - PoolGuardConnectionWrapper(Connection delegate) { super(delegate); - this.delegate = delegate; - } - - @Override - protected void checkOpen() throws SQLException { - if(delegate == null) { - throw new SQLException("Connection is closed."); - } - } - - @Override - public void close() throws SQLException { - if (delegate != null) { - this.delegate.close(); - this.delegate = null; - super.setDelegate(null); - } - } - - @Override - public boolean isClosed() throws SQLException { - if (delegate == null) { - return true; - } - return delegate.isClosed(); - } - - @Override - public void clearWarnings() throws SQLException { - checkOpen(); - delegate.clearWarnings(); - } - - @Override - public void commit() throws SQLException { - checkOpen(); - delegate.commit(); - } - - @Override - public Statement createStatement() throws SQLException { - checkOpen(); - return new DelegatingStatement(this, delegate.createStatement()); - } - - @Override - public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException { - checkOpen(); - return new DelegatingStatement(this, delegate.createStatement(resultSetType, resultSetConcurrency)); - } - - @Override - public boolean innermostDelegateEquals(Connection c) { - Connection innerCon = super.getInnermostDelegate(); - if (innerCon == null) { - return c == null; - } else { - return innerCon.equals(c); - } - } - - @Override - public boolean getAutoCommit() throws SQLException { - checkOpen(); - return delegate.getAutoCommit(); - } - - @Override - public String getCatalog() throws SQLException { - checkOpen(); - return delegate.getCatalog(); - } - - @Override - public DatabaseMetaData getMetaData() throws SQLException { - checkOpen(); - return delegate.getMetaData(); - } - - @Override - public int getTransactionIsolation() throws SQLException { - checkOpen(); - return delegate.getTransactionIsolation(); - } - - @Override - public Map<String,Class<?>> getTypeMap() throws SQLException { - checkOpen(); - return delegate.getTypeMap(); - } - - @Override - public SQLWarning getWarnings() throws SQLException { - checkOpen(); - return delegate.getWarnings(); - } - - @Override - public int hashCode() { - if (delegate == null){ - return 0; - } - return delegate.hashCode(); - } - - @Override - public boolean equals(Object obj) { - if (obj == null) { - return false; - } - if (obj == this) { - return true; - } - // Use superclass accessor to skip access test - Connection conn = super.getInnermostDelegate(); - if (conn == null) { - return false; - } - if (obj instanceof DelegatingConnection) { - DelegatingConnection c = (DelegatingConnection) obj; - return c.innermostDelegateEquals(conn); - } - else { - return conn.equals(obj); - } - } - - @Override - public boolean isReadOnly() throws SQLException { - checkOpen(); - return delegate.isReadOnly(); - } - - @Override - public String nativeSQL(String sql) throws SQLException { - checkOpen(); - return delegate.nativeSQL(sql); - } - - @Override - public CallableStatement prepareCall(String sql) throws SQLException { - checkOpen(); - return new DelegatingCallableStatement(this, delegate.prepareCall(sql)); - } - - @Override - public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException { - checkOpen(); - return new DelegatingCallableStatement(this, delegate.prepareCall(sql, resultSetType, resultSetConcurrency)); - } - - @Override - public PreparedStatement prepareStatement(String sql) throws SQLException { - checkOpen(); - return new DelegatingPreparedStatement(this, delegate.prepareStatement(sql)); - } - - @Override - public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException { - checkOpen(); - return new DelegatingPreparedStatement(this, delegate.prepareStatement(sql, resultSetType, resultSetConcurrency)); - } - - @Override - public void rollback() throws SQLException { - checkOpen(); - delegate.rollback(); - } - - @Override - public void setAutoCommit(boolean autoCommit) throws SQLException { - checkOpen(); - delegate.setAutoCommit(autoCommit); - } - - @Override - public void setCatalog(String catalog) throws SQLException { - checkOpen(); - delegate.setCatalog(catalog); - } - - @Override - public void setReadOnly(boolean readOnly) throws SQLException { - checkOpen(); - delegate.setReadOnly(readOnly); - } - - @Override - public void setTransactionIsolation(int level) throws SQLException { - checkOpen(); - delegate.setTransactionIsolation(level); - } - - @Override - public void setTypeMap(Map<String,Class<?>> map) throws SQLException { - checkOpen(); - delegate.setTypeMap(map); - } - - @Override - public String toString() { - if (delegate == null){ - return "NULL"; - } - return delegate.toString(); - } - - @Override - public int getHoldability() throws SQLException { - checkOpen(); - return delegate.getHoldability(); - } - - @Override - public void setHoldability(int holdability) throws SQLException { - checkOpen(); - delegate.setHoldability(holdability); - } - - @Override - public java.sql.Savepoint setSavepoint() throws SQLException { - checkOpen(); - return delegate.setSavepoint(); - } - - @Override - public java.sql.Savepoint setSavepoint(String name) throws SQLException { - checkOpen(); - return delegate.setSavepoint(name); - } - - @Override - public void releaseSavepoint(java.sql.Savepoint savepoint) throws SQLException { - checkOpen(); - delegate.releaseSavepoint(savepoint); - } - - @Override - public void rollback(java.sql.Savepoint savepoint) throws SQLException { - checkOpen(); - delegate.rollback(savepoint); - } - - @Override - public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { - checkOpen(); - return new DelegatingStatement(this, delegate.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability)); - } - - @Override - public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { - checkOpen(); - return new DelegatingCallableStatement(this, delegate.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability)); - } - - @Override - public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException { - checkOpen(); - return new DelegatingPreparedStatement(this, delegate.prepareStatement(sql, autoGeneratedKeys)); - } - - @Override - public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException { - checkOpen(); - return new DelegatingPreparedStatement(this,delegate.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability)); - } - - @Override - public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException { - checkOpen(); - return new DelegatingPreparedStatement(this, delegate.prepareStatement(sql, columnIndexes)); - } - - @Override - public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException { - checkOpen(); - return new DelegatingPreparedStatement(this, delegate.prepareStatement(sql, columnNames)); } /**