1 /*******************************************************************************
\r
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.utils.datastructures;
\r
14 import java.security.InvalidParameterException;
\r
15 import java.util.Collection;
\r
16 import java.util.Iterator;
\r
17 import java.util.List;
\r
18 import java.util.Set;
\r
20 public class SetUnion2<T> extends ImmutableCollection<T> {
\r
25 public boolean contains(Object o) {
\r
26 for(Set<T> set : sets)
\r
33 public boolean containsAll(Collection<?> c) {
\r
41 public boolean isEmpty() {
\r
42 for(Set<T> set : sets)
\r
49 public Iterator<T> iterator() {
\r
50 return new ImmutableIterator<T>() {
\r
53 Iterator<T> it = sets.get(0).iterator();
\r
57 public boolean hasNext() {
\r
62 element = it.next();
\r
63 for(int i=0;i<setId;++i)
\r
64 if(sets.get(i).contains(element)) {
\r
71 if(setId < sets.size())
\r
72 it = sets.get(setId).iterator();
\r
85 element = it.next();
\r
86 for(int i=0;i<setId;++i)
\r
87 if(sets.get(i).contains(element)) {
\r
94 if(setId < sets.size())
\r
95 it = sets.get(setId).iterator();
\r
97 throw new InvalidParameterException();
\r
106 public int size() {
\r
107 int count = sets.get(0).size();
\r
108 for(int i=1;i<sets.size();++i) {
\r
110 for(T o : sets.get(i)) {
\r
111 for(int j=0;j<i;++j)
\r
112 if(sets.get(j).contains(o))
\r