001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.math3.optimization;
019    
020    /**
021     * Target of the optimization procedure.
022     * They are the values which the objective vector function must reproduce
023     * When the parameters of the model have been optimized.
024     * <br/>
025     * Immutable class.
026     *
027     * @version $Id: Target.java 1422230 2012-12-15 12:11:13Z erans $
028     * @deprecated As of 3.1 (to be removed in 4.0).
029     * @since 3.1
030     */
031    @Deprecated
032    public class Target implements OptimizationData {
033        /** Target values (of the objective vector function). */
034        private final double[] target;
035    
036        /**
037         * @param observations Target values.
038         */
039        public Target(double[] observations) {
040            target = observations.clone();
041        }
042    
043        /**
044         * Gets the initial guess.
045         *
046         * @return the initial guess.
047         */
048        public double[] getTarget() {
049            return target.clone();
050        }
051    }