org.apache.solr.common.cloud

Class HashBasedRouter

java.lang.Object

org.apache.solr.common.cloud.DocRouter

org.apache.solr.common.cloud.HashBasedRouter

Direct Known Subclasses:

CompositeIdRouter, PlainIdRouter

public abstract class HashBasedRouter
extends DocRouter

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.common.cloud.DocRouter

DocRouter.Range

Field Summary

Fields inherited from class org.apache.solr.common.cloud.DocRouter

DEFAULT, DEFAULT_NAME

Constructor Summary

Constructors

Constructor and Description
HashBasedRouter()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	getId(SolrInputDocument sdoc, SolrParams params)
Collection<Slice>	getSearchSlicesSingle(String shardKey, SolrParams params, DocCollection collection) This method is consulted to determine what slices should be queried for a request when an explicit shards parameter was not used.
Slice	getTargetSlice(String id, SolrInputDocument sdoc, SolrParams params, DocCollection collection) Returns the Slice that the document should reside on, or null if there is not enough information
protected Slice	hashToSlice(int hash, DocCollection collection)
boolean	isTargetSlice(String id, SolrInputDocument sdoc, SolrParams params, String shardId, DocCollection collection)
int	sliceHash(String id, SolrInputDocument sdoc, SolrParams params, DocCollection collection)

Methods inherited from class org.apache.solr.common.cloud.DocRouter

fromString, fullRange, getDocRouter, getRouteField, getRouterSpec, getSearchSlices, partitionRange

Methods inherited from class java.lang.Object

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

Constructor Detail

HashBasedRouter

public HashBasedRouter()

Method Detail

getTargetSlice

public Slice getTargetSlice(String id,
                   SolrInputDocument sdoc,
                   SolrParams params,
                   DocCollection collection)

Description copied from class: DocRouter

Returns the Slice that the document should reside on, or null if there is not enough information

Specified by:

getTargetSlice in class DocRouter

isTargetSlice

public boolean isTargetSlice(String id,
                    SolrInputDocument sdoc,
                    SolrParams params,
                    String shardId,
                    DocCollection collection)

Specified by:

isTargetSlice in class DocRouter

sliceHash

public int sliceHash(String id,
            SolrInputDocument sdoc,
            SolrParams params,
            DocCollection collection)

getId

protected String getId(SolrInputDocument sdoc,
           SolrParams params)

hashToSlice

protected Slice hashToSlice(int hash,
                DocCollection collection)

getSearchSlicesSingle

public Collection<Slice> getSearchSlicesSingle(String shardKey,
                                      SolrParams params,
                                      DocCollection collection)

Description copied from class: DocRouter

This method is consulted to determine what slices should be queried for a request when an explicit shards parameter was not used. This method only accepts a single shard key (or null). If you have a comma separated list of shard keys, call getSearchSlices

Specified by:

getSearchSlicesSingle in class DocRouter