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Commons Math example source code file (DefaultFieldMatrixPreservingVisitor.java)

This example Commons Math source code file (DefaultFieldMatrixPreservingVisitor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Math tags/keywords

defaultfieldmatrixpreservingvisitor, defaultfieldmatrixpreservingvisitor, fieldelement, fieldmatrixpreservingvisitor, fieldmatrixpreservingvisitor, matrixvisitorexception, matrixvisitorexception, t, t

The Commons Math DefaultFieldMatrixPreservingVisitor.java source code

/*
 * 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.FieldElement;

/**
 * Default implementation of the {@link FieldMatrixPreservingVisitor} interface.
 * <p>
 * This class is a convenience to create custom visitors without defining all
 * methods. This class provides default implementations that do nothing.
 * </p>
 *
 * @param <T> the type of the field elements
 * @version $Revision: 811685 $ $Date: 2009-09-05 13:36:48 -0400 (Sat, 05 Sep 2009) $
 * @since 2.0
 */
public class DefaultFieldMatrixPreservingVisitor<T extends FieldElement
    implements FieldMatrixPreservingVisitor<T> {

    /** Zero element of the field. */
    private final T zero;

    /** Build a new instance.
     * @param zero additive identity of the field
     */
    public DefaultFieldMatrixPreservingVisitor(final T zero) {
        this.zero = zero;
    }

    /** {@inheritDoc} */
    public void start(int rows, int columns,
                      int startRow, int endRow, int startColumn, int endColumn) {
    }

    /** {@inheritDoc} */
    public void visit(int row, int column, T value)
        throws MatrixVisitorException {
    }

    /** {@inheritDoc} */
    public T end() {
        return zero;
    }

}

Other Commons Math examples (source code examples)

Here is a short list of links related to this Commons Math DefaultFieldMatrixPreservingVisitor.java source code file:

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