BUG-2138: Create DistributedShardFrontend

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

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 0440b7f023c0a264d2ab3e77716303e03a21406f..0a4c54b656bad9c77e4f2500c5df72c64d14819a 100644 (file)
--- 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
@@ -16,7 +16,8 @@ import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 public interface ShardStrategy {
     /**
      * Find the name of the shard in which the data pointed to by the specified path belongs in.
-     * <p/>
+     *
+     * <p>
      * Should return the name of the default shard DefaultShardStrategy.DEFAULT_SHARD
      * if no matching shard was found
      *
@@ -24,4 +25,11 @@ public interface ShardStrategy {
      * @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);
 }