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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  /*
19   * This is not the original file distributed by the Apache Software Foundation
20   * It has been modified by the Hipparchus project
21   */
22  package org.hipparchus.optim.linear;
23  
24  import java.util.LinkedHashSet;
25  import java.util.Set;
26  import java.util.Collection;
27  import java.util.Collections;
28  
29  import org.hipparchus.optim.OptimizationData;
30  
31  /**
32   * Class that represents a set of {@link LinearConstraint linear constraints}.
33   *
34   */
35  public class LinearConstraintSet implements OptimizationData {
36      /** Set of constraints. */
37      private final Set<LinearConstraint> linearConstraints;
38  
39      /**
40       * Creates a set containing the given constraints.
41       *
42       * @param constraints Constraints.
43       */
44      public LinearConstraintSet(LinearConstraint... constraints) {
45          linearConstraints = new LinkedHashSet<>();
46          for (LinearConstraint c : constraints) {
47              linearConstraints.add(c);
48          }
49      }
50  
51      /**
52       * Creates a set containing the given constraints.
53       *
54       * @param constraints Constraints.
55       */
56      public LinearConstraintSet(Collection<LinearConstraint> constraints) {
57          linearConstraints = new LinkedHashSet<>();
58          linearConstraints.addAll(constraints);
59      }
60  
61      /**
62       * Gets the set of linear constraints.
63       *
64       * @return the constraints.
65       */
66      public Collection<LinearConstraint> getConstraints() {
67          return Collections.unmodifiableSet(linearConstraints);
68      }
69  }