| /* |
| * 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.math4.optim; |
| |
| import org.apache.commons.math4.exception.NotStrictlyPositiveException; |
| |
| /** |
| * Maximum number of evaluations of the function to be optimized. |
| * |
| * @since 3.1 |
| */ |
| public class MaxEval implements OptimizationData { |
| /** Allowed number of evaluations. */ |
| private final int maxEval; |
| |
| /** |
| * @param max Allowed number of evaluations. |
| * @throws NotStrictlyPositiveException if {@code max <= 0}. |
| */ |
| public MaxEval(int max) { |
| if (max <= 0) { |
| throw new NotStrictlyPositiveException(max); |
| } |
| |
| maxEval = max; |
| } |
| |
| /** |
| * Gets the maximum number of evaluations. |
| * |
| * @return the allowed number of evaluations. |
| */ |
| public int getMaxEval() { |
| return maxEval; |
| } |
| |
| /** |
| * Factory method that creates instance of this class that represents |
| * a virtually unlimited number of evaluations. |
| * |
| * @return a new instance suitable for allowing {@link Integer#MAX_VALUE} |
| * evaluations. |
| */ |
| public static MaxEval unlimited() { |
| return new MaxEval(Integer.MAX_VALUE); |
| } |
| } |