org.opendaylight.controller.cluster.datastore.shardstrategy

Interface ShardStrategy

All Known Implementing Classes:

DefaultShardStrategy, ModuleShardStrategy, PrefixShardStrategy

public interface ShardStrategy

The role of ShardStrategy is to figure out which shards a given piece of data belongs to.

Method Summary

Modifier and Type	Method and Description
String	findShard(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier path) Find the name of the shard in which the data pointed to by the specified path belongs in.
org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier	getPrefixForPath(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier path) Get the prefix of the shard that contains the data pointed to by the specified path.

Method Detail

findShard

String findShard(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier path)

Find the name of the shard in which the data pointed to by the specified path belongs in.

Should return the name of the default shard DefaultShardStrategy.DEFAULT_SHARD if no matching shard was found

Parameters:

path - the location of the data in the logical tree

Returns:

the corresponding shard name.

getPrefixForPath

org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier getPrefixForPath(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier path)

Get the prefix of the shard that contains the data pointed to by the specified path.

Parameters:

path - the location of the data in the logical tree.

Returns:

the corresponding shards prefix.