Package org.elasticsearch.cluster.routing

Class IndexRouting

java.lang.Object

org.elasticsearch.cluster.routing.IndexRouting

public abstract class IndexRouting
extends Object

Generates the shard id for (id, routing) pairs.

Method Summary

Modifier and Type	Method	Description
abstract void	collectSearchShards(String routing, IntConsumer consumer)	Collect all of the shard ids that *may* contain documents with the provided routing.
static IndexRouting	fromIndexMetadata(IndexMetadata indexMetadata)	Build the routing from IndexMetadata.
protected final int	hashToShardId(int hash)	Convert a hash generated from an (id, routing) pair into a shard id.
abstract int	shardId(String id, String routing)	Generate the single shard id that should contain a document with the provided id and routing.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

fromIndexMetadata

public static IndexRouting fromIndexMetadata(IndexMetadata indexMetadata)

Build the routing from IndexMetadata.

shardId

public abstract int shardId(String id,
 @Nullable
 String routing)

Generate the single shard id that should contain a document with the provided id and routing.

collectSearchShards

public abstract void collectSearchShards(String routing,
 IntConsumer consumer)

Collect all of the shard ids that *may* contain documents with the provided routing. Indices with a routing_partition will collect more than one shard. Indices without a partition will collect the same shard id as would be returned by shardId(java.lang.String, java.lang.String).

hashToShardId

protected final int hashToShardId(int hash)

Convert a hash generated from an (id, routing) pair into a shard id.