-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.utils.datastructures;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Iterator;\r
-import java.util.List;\r
-import java.util.NoSuchElementException;\r
-\r
-public class Union<T> extends ImmutableCollection<T> {\r
- \r
- private List<Collection<T>> parts;\r
- \r
- public Union(int partCount) {\r
- parts = new ArrayList<Collection<T>>(partCount);\r
- }\r
- \r
- public void add(Collection<T> part) {\r
- parts.add(part);\r
- }\r
-\r
- @Override\r
- public boolean contains(Object o) {\r
- for(Collection<T> part : parts)\r
- if(part.contains(o))\r
- return true;\r
- return false;\r
- }\r
-\r
- @Override\r
- public boolean containsAll(Collection<?> c) {\r
- for(Object o : c)\r
- if(!contains(o))\r
- return false;\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean isEmpty() {\r
- for(Collection<T> part : parts)\r
- if(part.isEmpty())\r
- return true;\r
- return false;\r
- }\r
-\r
- @Override\r
- public Iterator<T> iterator() {\r
- \r
- return new ImmutableIterator<T>() {\r
-\r
- Iterator<Collection<T>> partIterator = parts.iterator();\r
- Iterator<T> iterator = null;\r
- \r
- @Override\r
- public boolean hasNext() {\r
- while(iterator == null || !iterator.hasNext()) {\r
- if(!partIterator.hasNext())\r
- return false;\r
- iterator = partIterator.next().iterator();\r
- }\r
- return true;\r
- }\r
-\r
- @Override\r
- public T next() {\r
- if(hasNext()) \r
- return iterator.next();\r
- else\r
- throw new NoSuchElementException();\r
- }\r
- \r
- };\r
- \r
- }\r
-\r
- @Override\r
- public int size() {\r
- int count = 0;\r
- for(Collection<T> part : parts)\r
- count += part.size();\r
- return count;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.utils.datastructures;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+public class Union<T> extends ImmutableCollection<T> {
+
+ private List<Collection<T>> parts;
+
+ public Union(int partCount) {
+ parts = new ArrayList<Collection<T>>(partCount);
+ }
+
+ public void add(Collection<T> part) {
+ parts.add(part);
+ }
+
+ @Override
+ public boolean contains(Object o) {
+ for(Collection<T> part : parts)
+ if(part.contains(o))
+ return true;
+ return false;
+ }
+
+ @Override
+ public boolean containsAll(Collection<?> c) {
+ for(Object o : c)
+ if(!contains(o))
+ return false;
+ return true;
+ }
+
+ @Override
+ public boolean isEmpty() {
+ for(Collection<T> part : parts)
+ if(part.isEmpty())
+ return true;
+ return false;
+ }
+
+ @Override
+ public Iterator<T> iterator() {
+
+ return new ImmutableIterator<T>() {
+
+ Iterator<Collection<T>> partIterator = parts.iterator();
+ Iterator<T> iterator = null;
+
+ @Override
+ public boolean hasNext() {
+ while(iterator == null || !iterator.hasNext()) {
+ if(!partIterator.hasNext())
+ return false;
+ iterator = partIterator.next().iterator();
+ }
+ return true;
+ }
+
+ @Override
+ public T next() {
+ if(hasNext())
+ return iterator.next();
+ else
+ throw new NoSuchElementException();
+ }
+
+ };
+
+ }
+
+ @Override
+ public int size() {
+ int count = 0;
+ for(Collection<T> part : parts)
+ count += part.size();
+ return count;
+ }
+
+}