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 package org.apache.commons.math3.optim.linear;
018
019 import java.util.Set;
020 import java.util.HashSet;
021 import java.util.Collection;
022 import java.util.Collections;
023 import org.apache.commons.math3.optim.OptimizationData;
024
025 /**
026 * Class that represents a set of {@link LinearConstraint linear constraints}.
027 *
028 * @version $Id$
029 * @since 3.1
030 */
031 public class LinearConstraintSet implements OptimizationData {
032 /** Set of constraints. */
033 private final Set<LinearConstraint> linearConstraints
034 = new HashSet<LinearConstraint>();
035
036 /**
037 * Creates a set containing the given constraints.
038 *
039 * @param constraints Constraints.
040 */
041 public LinearConstraintSet(LinearConstraint... constraints) {
042 for (LinearConstraint c : constraints) {
043 linearConstraints.add(c);
044 }
045 }
046
047 /**
048 * Creates a set containing the given constraints.
049 *
050 * @param constraints Constraints.
051 */
052 public LinearConstraintSet(Collection<LinearConstraint> constraints) {
053 linearConstraints.addAll(constraints);
054 }
055
056 /**
057 * Gets the set of linear constraints.
058 *
059 * @return the constraints.
060 */
061 public Collection<LinearConstraint> getConstraints() {
062 return Collections.unmodifiableSet(linearConstraints);
063 }
064 }