BUG-2673: make CDS implement DOMDataTreeChangeListener

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / messages / DataTreeChanged.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataTreeChanged.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataTreeChanged.java
new file mode 100644 (file)
index 0000000..919f944
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/DataTreeChanged.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. 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
+ */
+package org.opendaylight.controller.cluster.datastore.messages;
+
+import com.google.common.base.Preconditions;
+import java.util.Collection;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+
+/**
+ * A message about a DataTree having been changed. The message is not
+ * serializable on purpose. For delegating the change across cluster nodes,
+ * this needs to be intercepted by a local agent and forwarded as
+ * a {@link DataTreeDelta}.
+ */
+public final class DataTreeChanged {
+    private final Collection<DataTreeCandidate> changes;
+
+    public DataTreeChanged(final Collection<DataTreeCandidate> changes) {
+        this.changes = Preconditions.checkNotNull(changes);
+    }
+
+    /**
+     * Return the data changes.
+     *
+     * @return Change events
+     */
+    public Collection<DataTreeCandidate> getChanges() {
+        return changes;
+    }
+}