Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils / src / org / simantics / utils / ExtendableDataContainer.java

diff --git a/bundles/org.simantics.utils/src/org/simantics/utils/ExtendableDataContainer.java b/bundles/org.simantics.utils/src/org/simantics/utils/ExtendableDataContainer.java
new file mode 100644 (file)
index 0000000..8765088
--- /dev/null
+++ b/bundles/org.simantics.utils/src/org/simantics/utils/ExtendableDataContainer.java
@@ -0,0 +1,64 @@
+/*******************************************************************************\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
+\r
+/**\r
+ * DataContainer is used as return argument\r
+ * \r
+ * \r
+ * @author Toni Kalajainen \r
+ */\r
+public class ExtendableDataContainer<T> {\r
+\r
+    private T data;\r
+    \r
+    public ExtendableDataContainer() {       \r
+    }\r
+    \r
+    public ExtendableDataContainer(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
+    public static ExtendableDataContainer<Integer> getIntegerContainer() {\r
+        return new ExtendableDataContainer<Integer>();\r
+    }\r
+        \r
+    public static ExtendableDataContainer<Double> getDoubleContainer() {\r
+        return new ExtendableDataContainer<Double>();\r
+    }\r
+        \r
+    public static ExtendableDataContainer<String> getStringContainer() {\r
+        return new ExtendableDataContainer<String>();\r
+    }\r
+        \r
+}\r