resolving this issue

refs 748

org.fortiss.af3.msc.ui/trunk/src/org/fortiss/af3/msc/ui/compose/MSCConnectorMessageCompositor.java

@@ -17,12 +17,15 @@ $Id: PortConnectionCompositor.java 2798 2012-01-16 13:15:45Z becker $
 +--------------------------------------------------------------------------*/
 package org.fortiss.af3.msc.ui.compose;
 
+import static org.eclipse.emf.ecore.util.EcoreUtil.delete;
+
 import org.eclipse.emf.ecore.EObject;
 import org.fortiss.af3.msc.model.MSCObject;
 import org.fortiss.af3.msc.model.Message;
 import org.fortiss.af3.msc.model.MessageConnector;
 import org.fortiss.af3.msc.utils.MSCModelElementFactory;
 import org.fortiss.tooling.base.model.base.ConnectionSegmentBase;
+import org.fortiss.tooling.base.model.element.IConnection;
 import org.fortiss.tooling.base.ui.compose.ConnectorConnectionCompositorBase;
 import org.fortiss.tooling.kernel.extension.data.IConnectionCompositionContext;
 
@@ -32,7 +35,7 @@ import org.fortiss.tooling.kernel.extension.data.IConnectionCompositionContext;
  * @author hoelzl
  * @author $Author: becker $
  * @version $Rev: 2798 $
- * @ConQAT.Rating GREEN Hash: FE3B9D095F9C64D55B33A529B2CFEA02
+ * @ConQAT.Rating YELLOW Hash: 718B0784CBCD32BE18DD7C0710DA2A9E
  */
 public class MSCConnectorMessageCompositor extends
 		ConnectorConnectionCompositorBase<MSCObject, MessageConnector, MessageConnector> {
@@ -55,4 +58,17 @@ public class MSCConnectorMessageCompositor extends
 	public boolean canDisconnectSpecific(EObject connection) {
 		return connection instanceof Message;
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public boolean disconnect(EObject connection) {
+		if(connection instanceof IConnection) {
+			IConnection conn = (IConnection)connection;
+			delete(conn.getSource());
+			delete(conn.getTarget());
+			delete(connection);
+			return true;
+		}
+		return false;
+	}
 }