]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.databoard/src/org/simantics/databoard/annotations/UnionImpl.java
Improved Bindings.getBinding(Class) caching for Datatype.class
[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / annotations / UnionImpl.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
3  * Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.databoard.annotations;
13
14 import java.lang.annotation.Annotation;
15 import java.util.Arrays;
16
17 public class UnionImpl implements Union {
18
19         int hash;
20         Class<?>[] args;
21         
22         public UnionImpl(Class<?>...args) {
23         hash = Arrays.hashCode(args);
24                 this.args = args;
25         }
26         
27         @Override
28         public Class<? extends Annotation> annotationType() {
29                 return Union.class;
30         }
31
32         @Override
33         public Class<?>[] value() {
34                 return args;
35         }
36         
37         @Override
38         public int hashCode() {         
39                 return hash;
40         }
41         
42         @Override
43         public boolean equals(Object obj) {
44                 if ( obj instanceof Union == false ) return false;
45                 Union other = (Union) obj;
46                 Class<?>[] classArray1 = args;
47                 Class<?>[] classArray2 = other.value();
48                 
49                 return Arrays.deepEquals(classArray1, classArray2);
50         }
51 }