Return local shard tree from FindPrimaryShard

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ShardLeaderStateChanged.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ShardLeaderStateChanged.java
new file mode 100644 (file)
index 0000000..d9a55ab
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ShardLeaderStateChanged.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2015 Brocade Communications 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.Optional;
+import com.google.common.base.Preconditions;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
+
+/**
+ * A local message derived from LeaderStateChanged containing additional Shard-specific info that is sent
+ * when some state of the shard leader has changed. This message is used by the ShardManager to maintain
+ * current Shard information.
+ *
+ * @author Thomas Pantelis
+ */
+public class ShardLeaderStateChanged extends LeaderStateChanged {
+
+    private final Optional<DataTree> localShardDataTree;
+
+    public ShardLeaderStateChanged(@Nonnull String memberId, @Nonnull String leaderId,
+            @Nonnull Optional<DataTree> localShardDataTree) {
+        super(memberId, leaderId);
+        this.localShardDataTree = Preconditions.checkNotNull(localShardDataTree);
+    }
+
+    public @Nonnull Optional<DataTree> getLocalShardDataTree() {
+        return localShardDataTree;
+    }
+}