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 */
017package org.apache.commons.math3.optim.linear;
018
019import java.util.LinkedHashSet;
020import java.util.Set;
021import java.util.Collection;
022import java.util.Collections;
023
024import org.apache.commons.math3.optim.OptimizationData;
025
026/**
027 * Class that represents a set of {@link LinearConstraint linear constraints}.
028 *
029 * @since 3.1
030 */
031public class LinearConstraintSet implements OptimizationData {
032    /** Set of constraints. */
033    private final Set<LinearConstraint> linearConstraints = new LinkedHashSet<LinearConstraint>();
034
035    /**
036     * Creates a set containing the given constraints.
037     *
038     * @param constraints Constraints.
039     */
040    public LinearConstraintSet(LinearConstraint... constraints) {
041        for (LinearConstraint c : constraints) {
042            linearConstraints.add(c);
043        }
044    }
045
046    /**
047     * Creates a set containing the given constraints.
048     *
049     * @param constraints Constraints.
050     */
051    public LinearConstraintSet(Collection<LinearConstraint> constraints) {
052        linearConstraints.addAll(constraints);
053    }
054
055    /**
056     * Gets the set of linear constraints.
057     *
058     * @return the constraints.
059     */
060    public Collection<LinearConstraint> getConstraints() {
061        return Collections.unmodifiableSet(linearConstraints);
062    }
063}