1 files changed, 40 insertions, 0 deletions
diff --git a/plugins/infra/misc/org.eclipse.papyrus.infra.sync/src/org/eclipse/papyrus/infra/sync/EObjectSyncItem.java b/plugins/infra/misc/org.eclipse.papyrus.infra.sync/src/org/eclipse/papyrus/infra/sync/EObjectSyncItem.java
new file mode 100644
index 00000000000..d15eb1a3da1
--- /dev/null
+++ b/plugins/infra/misc/org.eclipse.papyrus.infra.sync/src/org/eclipse/papyrus/infra/sync/EObjectSyncItem.java
@@ -0,0 +1,40 @@
+/*****************************************************************************
+ * Copyright (c) 2015 Christian W. Damus and others.
+ * 
+ * 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:
+ *   Christian W. Damus - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.infra.sync;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * An abstract sync item for synchronization with EMF back-ends.
+ */
+public abstract class EObjectSyncItem<M, T extends EObject> extends SyncItem<M, T> {
+
+	public EObjectSyncItem(T backend) {
+		super(backend);
+	}
+
+	@Override
+	public boolean isActive() {
+		boolean result = super.isActive();
+
+		if (result) {
+			EObject eObject = getBackend();
+
+			// Detached objects do not synchronize
+			result = (eObject != null) && (eObject.eResource() != null);
+		}
+
+		return result;
+	}
+}