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1   /*
2    * Licensed to The Apereo Foundation under one or more contributor license
3    * agreements. See the NOTICE file distributed with this work for additional
4    * information regarding copyright ownership.
5    *
6    *
7    * The Apereo Foundation licenses this file to you under the Educational
8    * Community License, Version 2.0 (the "License"); you may not use this file
9    * except in compliance with the License. You may obtain a copy of the License
10   * at:
11   *
12   *   http://opensource.org/licenses/ecl2.txt
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
17   * License for the specific language governing permissions and limitations under
18   * the License.
19   *
20   */
21  
22  
23  package org.opencastproject.util.data;
24  
25  import static org.opencastproject.util.EqualsUtil.eqClasses;
26  import static org.opencastproject.util.EqualsUtil.hash;
27  
28  /** A 3-tuple. */
29  public final class Tuple3<A, B, C> {
30  
31    private final A a;
32    private final B b;
33    private final C c;
34  
35    public Tuple3(A a, B b, C c) {
36      this.a = a;
37      this.b = b;
38      this.c = c;
39    }
40  
41    public A getA() {
42      return a;
43    }
44  
45    public B getB() {
46      return b;
47    }
48  
49    public C getC() {
50      return c;
51    }
52  
53    @Override
54    public boolean equals(Object that) {
55      if (this == that) return true;
56      if (!eqClasses(this, that)) return false;
57      Tuple3 thatc = (Tuple3) that;
58      return a.equals(thatc.a) && b.equals(thatc.b) && c.equals(thatc.c);
59    }
60  
61    @Override
62    public int hashCode() {
63      return hash(a, b, c);
64    }
65  
66    public static <A, B, C> Tuple3<A, B, C> tuple3(A a, B b, C c) {
67      return new Tuple3<A, B, C>(a, b, c);
68    }
69  
70    @Override public String toString() {
71      return "(" + a + "," + b + "," + c + ")";
72    }
73  }