1 files changed, 37 insertions, 0 deletions
diff --git a/framework/bundles/org.eclipse.ecf.sync/src/org/eclipse/ecf/sync/IModelSynchronizationStrategy.java b/framework/bundles/org.eclipse.ecf.sync/src/org/eclipse/ecf/sync/IModelSynchronizationStrategy.java
new file mode 100644
index 000000000..744f6a5d6
--- /dev/null
+++ b/framework/bundles/org.eclipse.ecf.sync/src/org/eclipse/ecf/sync/IModelSynchronizationStrategy.java
@@ -0,0 +1,37 @@
+package org.eclipse.ecf.sync;
+
+
+
+public interface IModelSynchronizationStrategy {
+
+	/**
+	 * Register local model change with synchronization strategy.  This method
+	 * should be synchronously called when a local model change has
+	 * been made to the underlying model.
+	 * @param localChange the IModelChange made to the local model
+	 * @return IModelChangeMessage[] an array of change message to be 
+	 * delivered to remote participants.
+	 */
+	public IModelChangeMessage[] registerLocalChange(IModelChange localChange);
+
+	/**
+	 * Transform remote change into a set of local changes to
+	 * be synchronously applied to the local model. 
+	 * @param remoteChange the remote model change instance to
+	 * be transformed by this synchronization strategy.
+	 * @return IDocumentChange[] to apply to local model
+	 */
+	public IModelChange[] transformRemoteChange(IModelChange remoteChange);
+
+
+	/**
+	 * Deserialization of given byte array to concrete instance of
+	 * IModelChange object to represent local change to be applied
+	 * 
+	 * @param bytes the bytes to be deserialized
+	 * @return IModelChange instance from bytes.  Will not be <code>null</code>.
+	 * @throws SerializationException thrown if some problem deserializing given bytes.
+	 */
+	public IModelChange deserializeRemoteChange(byte[] bytes) throws SerializationException;
+
+}