1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*******************************************************************************
* Copyright (c) 2004 INRIA.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* Contributors:
* Frederic Jouault (INRIA) - initial API and implementation
*******************************************************************************/
package org.eclipse.m2m.atl.engine.vm.nativelib;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.m2m.atl.engine.vm.StackFrame;
/**
* @author <a href="mailto:frederic.jouault@univ-nantes.fr">Frederic Jouault</a>
*/
public class ASMSet extends ASMCollection {
public static ASMOclType myType = ASMOclParametrizedType.getASMOclParametrizedType("Set", getOclAnyType(), ASMCollection.myType);
public ASMSet() {
super(myType);
s = new HashSet();
}
public ASMSet(ASMSet init) {
super(myType);
s = new HashSet(init.s);
}
public ASMSet(Collection init) {
super(myType);
s = new HashSet(init);
}
public String toString() {
StringBuffer ret = new StringBuffer();
ret.append("Set {");
for(Iterator i = s.iterator() ; i.hasNext() ; ) {
ret.append(i.next());
if(i.hasNext()) ret.append(", ");
}
ret.append("}");
return ret.toString();
}
public void add(ASMOclAny o) {
s.add(o);
}
public Iterator iterator() {
return s.iterator();
}
public Collection collection() {
return s;
}
public boolean equals(Object o) {
return (o instanceof ASMSet) && (((ASMSet)o).s.equals(s));
}
public int hashCode() {
return s.hashCode();
}
// Native Operations below
// TODO: union(s : Set(T)) : Set(T)
// TODO: union(bag : Bag(T)) : Bag(T)
public static ASMSet union(StackFrame frame, ASMSet self, ASMCollection other) {
ASMSet ret = new ASMSet(self);
ret.s.addAll(other.collection());
return ret;
}
// = already in ASMOclAny
// TODO: intersection(s : Set(T)) : Set(T)
// TODO: intersection(bag : Bag(T)) : Set(T)
public static ASMSet intersection(StackFrame frame, ASMSet self, ASMCollection other) {
ASMSet ret = new ASMSet(self);
ret.s.retainAll(other.collection());
return ret;
}
public static ASMSet operatorMinus(StackFrame frame, ASMSet self, ASMSet other) {
ASMSet ret = new ASMSet(self);
ret.s.removeAll(other.s);
return ret;
}
public static ASMSet including(StackFrame frame, ASMSet self, ASMOclAny o) {
ASMSet ret = new ASMSet(self);
ret.s.add(o);
return ret;
}
public static ASMSet excluding(StackFrame frame, ASMSet self, ASMOclAny o) {
ASMSet ret = new ASMSet(self);
ret.s.remove(o);
return ret;
}
// symmetricDifference(s : Set(T)) : Set(T)
public static ASMSet symetricDifference(StackFrame frame, ASMSet self, ASMSet other) {
ASMSet ret = new ASMSet(self);
Set t = new HashSet(other.s);
t.removeAll(self.s);
ret.s.removeAll(other.s);
ret.s.addAll(t);
return ret;
}
// count already in ASMCollection
public static ASMSet flatten(StackFrame frame, ASMSet self) {
Set base = null;
Set ret = new HashSet(self.collection());
boolean containsCollection;
do {
base = ret;
ret = new HashSet();
containsCollection = false;
Iterator iterator = base.iterator();
while (iterator.hasNext()) {
ASMOclAny object = (ASMOclAny) iterator.next();
if (object instanceof ASMCollection) {
ASMCollection subCollection = (ASMCollection) object;
ret.addAll(subCollection.collection());
Iterator subIterator = subCollection.iterator();
while (containsCollection == false && subIterator.hasNext()) {
ASMOclAny subCollectionObject = (ASMOclAny) subIterator.next();
if (subCollectionObject instanceof ASMCollection) {
containsCollection = true;
}
}
} else {
ret.add(object);
}
}
} while (containsCollection);
return new ASMSet(ret);
}
public static ASMSet asSet(StackFrame frame, ASMSet self) {
return self;
}
private Set s;
}
|