Author: luc Date: Sun Jan 4 04:06:44 2009 New Revision: 731230 URL: http://svn.apache.org/viewvc?rev=731230&view=rev Log: added default implementations of the matrix visitors interfaces
Added: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java (with props) commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java (with props) Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixChangingVisitor.java commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixPreservingVisitor.java Added: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java?rev=731230&view=auto ============================================================================== --- commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java (added) +++ commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java Sun Jan 4 04:06:44 2009 @@ -0,0 +1,51 @@ +/* + * 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.commons.math.linear; + +/** + * Default implementation of the {...@link RealMatrixChangingVisitor} interface. + * <p> + * This class is a convenience to create custom visitors without defining all + * methods. This class provides default implementations that do nothing. + * </p> + * + * @version $Revision$ $Date$ + * @since 2.0 + */ +public class DefaultRealMatrixChangingVisitor implements RealMatrixChangingVisitor { + + /** Serializable version identifier. */ + private static final long serialVersionUID = 892744666836410796L; + + /** {...@inheritdoc} */ + public void start(int rows, int columns, + int startRow, int endRow, int startColumn, int endColumn) { + } + + /** {...@inheritdoc} */ + public double visit(int row, int column, double value) + throws MatrixVisitorException { + return value; + } + + /** {...@inheritdoc} */ + public double end() { + return 0; + } + +} Propchange: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java ------------------------------------------------------------------------------ svn:eol-style = native Propchange: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java ------------------------------------------------------------------------------ svn:keywords = Author Date Id Revision Added: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java?rev=731230&view=auto ============================================================================== --- commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java (added) +++ commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java Sun Jan 4 04:06:44 2009 @@ -0,0 +1,50 @@ +/* + * 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.commons.math.linear; + +/** + * Default implementation of the {...@link RealMatrixPreservingVisitor} interface. + * <p> + * This class is a convenience to create custom visitors without defining all + * methods. This class provides default implementations that do nothing. + * </p> + * + * @version $Revision$ $Date$ + * @since 2.0 + */ +public class DefaultRealMatrixPreservingVisitor implements RealMatrixPreservingVisitor { + + /** Serializable version identifier. */ + private static final long serialVersionUID = -7608224814444142788L; + + /** {...@inheritdoc} */ + public void start(int rows, int columns, + int startRow, int endRow, int startColumn, int endColumn) { + } + + /** {...@inheritdoc} */ + public void visit(int row, int column, double value) + throws MatrixVisitorException { + } + + /** {...@inheritdoc} */ + public double end() { + return 0; + } + +} Propchange: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java ------------------------------------------------------------------------------ svn:eol-style = native Propchange: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/DefaultRealMatrixPreservingVisitor.java ------------------------------------------------------------------------------ svn:keywords = Author Date Id Revision Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixChangingVisitor.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixChangingVisitor.java?rev=731230&r1=731229&r2=731230&view=diff ============================================================================== --- commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixChangingVisitor.java (original) +++ commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixChangingVisitor.java Sun Jan 4 04:06:44 2009 @@ -22,6 +22,7 @@ /** * Interface defining a visitor for matrix entries. * + * @see DefaultRealMatrixChangingVisitor * @version $Revision$ $Date$ * @since 2.0 */ Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixPreservingVisitor.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixPreservingVisitor.java?rev=731230&r1=731229&r2=731230&view=diff ============================================================================== --- commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixPreservingVisitor.java (original) +++ commons/proper/math/trunk/src/java/org/apache/commons/math/linear/RealMatrixPreservingVisitor.java Sun Jan 4 04:06:44 2009 @@ -22,6 +22,7 @@ /** * Interface defining a visitor for matrix entries. * + * @see DefaultRealMatrixPreservingVisitor * @version $Revision$ $Date$ * @since 2.0 */