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Diffstat (limited to 'src/main/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java')
-rw-r--r-- | src/main/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java b/src/main/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java new file mode 100644 index 0000000..c609d81 --- /dev/null +++ b/src/main/java/org/apache/commons/math/linear/DefaultRealMatrixChangingVisitor.java @@ -0,0 +1,49 @@ +/* + * 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; + +import org.apache.commons.math.linear.MatrixVisitorException; + +/** + * 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: 1073158 $ $Date: 2011-02-21 22:46:52 +0100 (lun. 21 févr. 2011) $ + * @since 2.0 + */ +public class DefaultRealMatrixChangingVisitor implements RealMatrixChangingVisitor { + + /** {@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; + } + +} |