X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fshardstrategy%2FShardStrategy.java;fp=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fshardstrategy%2FShardStrategy.java;h=f75eb2d863e65a636397b254d66607af588134c5;hp=0000000000000000000000000000000000000000;hb=d04a1fa303f2a2e0a504b86f90fb8601a5b52ca3;hpb=d5f8fb508de526b8f95c871a056bd7d18353508f

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/shardstrategy/ShardStrategy.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/shardstrategy/ShardStrategy.java
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+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/shardstrategy/ShardStrategy.java
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+/*
+ * Copyright (c) 2014 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.shardstrategy;
+
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+
+/**
+ * The role of ShardStrategy is to figure out which Shards a given piece of data belongs to
+ */
+public interface ShardStrategy {
+  /**
+   * Find the name of the shard in which the data pointed to by the specified path belongs in
+   *
+   * @param path The location of the data in the logical tree
+   * @return
+   */
+  String findShard(InstanceIdentifier path);
+}