maxiterationsexceededexception.java

Apache的common math数学软件包

/*
 * 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;

import org.apache.commons.math.ConvergenceException;

/**
 * Error thrown when a numerical computation exceeds its allowed
 * number of iterations.
 *
 * @version $Revision: 620312 $ $Date: 2008-02-10 12:28:59 -0700 (Sun, 10 Feb 2008) $
 * @since 1.2
 */
public class MaxIterationsExceededException extends ConvergenceException {

    /** Serializable version identifier. */
    private static final long serialVersionUID = -2154780004193976271L;

    /** Maximal number of iterations allowed. */
    private int maxIterations;

    /**
     * Constructs an exception with specified formatted detail message.
     * Message formatting is delegated to {@link java.text.MessageFormat}.
     * @param maxIterations maximal number of iterations allowed
     */
    public MaxIterationsExceededException(int maxIterations) {
        super("Maximal number of iterations ({0}) exceeded",
              new Object[] { new Integer(maxIterations) });
        this.maxIterations = maxIterations;
    }

    /**
     * Constructs an exception with specified formatted detail message.
     * Message formatting is delegated to {@link java.text.MessageFormat}.
     * @param maxIterations the exceeded maximal number of iterations
     * @param pattern format specifier
     * @param arguments format arguments
     */
    public MaxIterationsExceededException(int maxIterations,
                                          String pattern, Object[] arguments) {
        super(pattern, arguments);
        this.maxIterations = maxIterations;
    }

    /** Get the maximal number of iterations allowed.
     * @return maximal number of iterations allowed
     */
    public int getMaxIterations() {
        return maxIterations;
    }

}