-/*******************************************************************************\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
-/*\r
- * Created on 16.12.2005\r
- * \r
- */\r
-package org.simantics.utils;\r
-\r
-import java.lang.reflect.Array;\r
-import java.util.Collection;\r
-import java.util.Iterator;\r
-\r
-\r
-/**\r
- * DataContainer is used as return argument\r
- * \r
- * @author Toni Kalajainen\r
- */\r
-public final class DataContainer<T> implements Container<T>, Collection<T> {\r
-\r
- private T data;\r
-\r
- public static <T> DataContainer<T> make(T t) {\r
- return new DataContainer<T>(t);\r
- }\r
-\r
- public DataContainer() {\r
- }\r
-\r
- public DataContainer(T initialData) {\r
- this.data = initialData;\r
- }\r
-\r
- public boolean isEmpty() {\r
- return data == null;\r
- }\r
-\r
- public void set(T value) {\r
- data = value;\r
- }\r
-\r
- public T get() {\r
- return data;\r
- }\r
-\r
- public boolean hasContent() {\r
- return data != null;\r
- }\r
-\r
- @Override\r
- public boolean add(T arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean addAll(Collection<? extends T> arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public void clear() {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean contains(Object arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean containsAll(Collection<?> arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public Iterator<T> iterator() {\r
-\r
- return new Iterator<T>() {\r
-\r
- private T value = data;\r
-\r
- @Override\r
- public boolean hasNext() {\r
- return value != null;\r
- }\r
-\r
- @Override\r
- public T next() {\r
- T result = value;\r
- value = null;\r
- return result;\r
- }\r
-\r
- @Override\r
- public void remove() {\r
- throw new UnsupportedOperationException();\r
- }\r
- };\r
-\r
- }\r
-\r
- @Override\r
- public boolean remove(Object arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean removeAll(Collection<?> arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean retainAll(Collection<?> arg0) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public int size() {\r
- return data != null ? 1 : 0;\r
- }\r
-\r
- @Override\r
- public Object[] toArray() {\r
- return new Object[] { data };\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public <K> K[] toArray(K[] a) {\r
- int size = size();\r
- if (a.length < size)\r
- a = (K[]) Array.newInstance(a.getClass().getComponentType(), 1);\r
- if (size > 0)\r
- a[0] = (K) data;\r
- for (int i = size; i < a.length; ++i)\r
- a[i] = null;\r
- return a;\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
+ *******************************************************************************/
+/*
+ * Created on 16.12.2005
+ *
+ */
+package org.simantics.utils;
+
+import java.lang.reflect.Array;
+import java.util.Collection;
+import java.util.Iterator;
+
+
+/**
+ * DataContainer is used as return argument
+ *
+ * @author Toni Kalajainen
+ */
+public final class DataContainer<T> implements Container<T>, Collection<T> {
+
+ private T data;
+
+ public static <T> DataContainer<T> make(T t) {
+ return new DataContainer<T>(t);
+ }
+
+ public DataContainer() {
+ }
+
+ public DataContainer(T initialData) {
+ this.data = initialData;
+ }
+
+ public boolean isEmpty() {
+ return data == null;
+ }
+
+ public void set(T value) {
+ data = value;
+ }
+
+ public T get() {
+ return data;
+ }
+
+ public boolean hasContent() {
+ return data != null;
+ }
+
+ @Override
+ public boolean add(T arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean addAll(Collection<? extends T> arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void clear() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean contains(Object arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean containsAll(Collection<?> arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Iterator<T> iterator() {
+
+ return new Iterator<T>() {
+
+ private T value = data;
+
+ @Override
+ public boolean hasNext() {
+ return value != null;
+ }
+
+ @Override
+ public T next() {
+ T result = value;
+ value = null;
+ return result;
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException();
+ }
+ };
+
+ }
+
+ @Override
+ public boolean remove(Object arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean removeAll(Collection<?> arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean retainAll(Collection<?> arg0) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int size() {
+ return data != null ? 1 : 0;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[] { data };
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <K> K[] toArray(K[] a) {
+ int size = size();
+ if (a.length < size)
+ a = (K[]) Array.newInstance(a.getClass().getComponentType(), 1);
+ if (size > 0)
+ a[0] = (K) data;
+ for (int i = size; i < a.length; ++i)
+ a[i] = null;
+ return a;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff