Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / element / handler / impl / UniqueTerminalDataImpl.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/UniqueTerminalDataImpl.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/UniqueTerminalDataImpl.java
new file mode 100644 (file)
index 0000000..b021e70
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/element/handler/impl/UniqueTerminalDataImpl.java
@@ -0,0 +1,57 @@
+/*******************************************************************************\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.g2d.element.handler.impl;\r
+\r
+import java.util.Collection;\r
+import java.util.HashMap;\r
+import java.util.Map;\r
+\r
+import org.simantics.g2d.diagram.handler.Topology.Terminal;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.handler.TerminalData;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+\r
+/**\r
+ * TerminalDataImpl that is used in ElementClass\r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ *\r
+ */\r
+public class UniqueTerminalDataImpl implements TerminalData {\r
+\r
+    private static final long serialVersionUID = -2131030904280472077L;\r
+\r
+    private final Map<Terminal,Map<Key,Object>> terminals = new HashMap<Terminal, Map<Key,Object>>();\r
+\r
+    public UniqueTerminalDataImpl(Collection<? extends Terminal> terminals) {\r
+        for (Terminal t : terminals) {\r
+            this.terminals.put(t, new HashMap<Key, Object>(2));\r
+        }\r
+    }\r
+\r
+\r
+\r
+    @Override\r
+    public <T> T getHint(IElement e, Terminal t, Key key) {\r
+        Map<Key,Object> data = terminals.get(t);\r
+        if (data != null)\r
+            return (T)data.get(key);\r
+        return null;\r
+    }\r
+\r
+    @Override\r
+    public void setHint(IElement e, Terminal t, Key key, Object value) {\r
+        Map<Key,Object> data = terminals.get(t);\r
+        data.put(key, value);\r
+    }\r
+\r
+}\r