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;h=0a4c54b656bad9c77e4f2500c5df72c64d14819a;hp=2df945edd5e9b9c16ed454e55859611afe8a66e0;hb=c1336f9b497bc6867536a24f629c3f0b002ccb2f;hpb=17d82f582a6bc13c78be3b19954ff8c021180e93

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
index 2df945edd5..0a4c54b656 100644
--- 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
@@ -11,14 +11,25 @@ package org.opendaylight.controller.cluster.datastore.shardstrategy;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 
 /**
- * The role of ShardStrategy is to figure out which Shards a given piece of data belongs to
+ * 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(YangInstanceIdentifier path);
+    /**
+     * Find the name of the shard in which the data pointed to by the specified path belongs in.
+     *
+     * <p>
+     * Should return the name of the default shard DefaultShardStrategy.DEFAULT_SHARD
+     * if no matching shard was found
+     *
+     * @param path the location of the data in the logical tree
+     * @return the corresponding shard name.
+     */
+    String findShard(YangInstanceIdentifier path);
+
+    /**
+     * Get the prefix of the shard that contains the data pointed to by the specified path.
+     * @param path the location of the data in the logical tree.
+     * @return the corresponding shards prefix.
+     */
+    YangInstanceIdentifier getPrefixForPath(YangInstanceIdentifier path);
 }