org.apache.solr.search.grouping.distributed.shardresultserializer

Class SearchGroupsResultTransformer

java.lang.Object

org.apache.solr.search.grouping.distributed.shardresultserializer.SearchGroupsResultTransformer

All Implemented Interfaces:

ShardResultTransformer<java.util.List<Command>,java.util.Map<java.lang.String,Pair<java.lang.Integer,java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>>>>>

public class SearchGroupsResultTransformer
extends java.lang.Object
implements ShardResultTransformer<java.util.List<Command>,java.util.Map<java.lang.String,Pair<java.lang.Integer,java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>>>>>

Implementation for transforming SearchGroup into a NamedList structure and visa versa.

Field Summary

Fields

Modifier and Type	Field and Description
private SolrIndexSearcher	searcher

Constructor Summary

Constructors

Constructor and Description
SearchGroupsResultTransformer(SolrIndexSearcher searcher)

Method Summary

Modifier and Type	Method and Description
private NamedList	serializeSearchGroup(java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>> data, org.apache.lucene.search.Sort groupSort)
NamedList	transform(java.util.List<Command> data) Transforms data to a NamedList structure for serialization purposes.
java.util.Map<java.lang.String,Pair<java.lang.Integer,java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>>>>	transformToNative(NamedList<NamedList> shardResponse, org.apache.lucene.search.Sort groupSort, org.apache.lucene.search.Sort sortWithinGroup, java.lang.String shard) Transforms the specified shard response into native structures.

Methods inherited from class java.lang.Object

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

Field Detail

searcher

private final SolrIndexSearcher searcher

Constructor Detail

SearchGroupsResultTransformer

public SearchGroupsResultTransformer(SolrIndexSearcher searcher)

Method Detail

transform

public NamedList transform(java.util.List<Command> data)
                    throws java.io.IOException

Transforms data to a NamedList structure for serialization purposes.

Specified by:

transform in interface ShardResultTransformer<java.util.List<Command>,java.util.Map<java.lang.String,Pair<java.lang.Integer,java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>>>>>

Parameters:

data - The data to be transformed

Returns:

NamedList structure

Throws:

java.io.IOException - If I/O related errors occur during transforming

transformToNative

public java.util.Map<java.lang.String,Pair<java.lang.Integer,java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>>>> transformToNative(NamedList<NamedList> shardResponse,
                                                                                                                                                                       org.apache.lucene.search.Sort groupSort,
                                                                                                                                                                       org.apache.lucene.search.Sort sortWithinGroup,
                                                                                                                                                                       java.lang.String shard)
                                                                                                                                                                throws java.io.IOException

Transforms the specified shard response into native structures.

Specified by:

transformToNative in interface ShardResultTransformer<java.util.List<Command>,java.util.Map<java.lang.String,Pair<java.lang.Integer,java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>>>>>

Parameters:

shardResponse - The shard response containing data in a NamedList structure

groupSort - The group sort

sortWithinGroup - The sort inside a group

shard - The shard address where the response originated from

Returns:

native structure of the data

Throws:

java.io.IOException - If I/O related errors occur during transforming

serializeSearchGroup

private NamedList serializeSearchGroup(java.util.Collection<org.apache.lucene.search.grouping.SearchGroup<java.lang.String>> data,
                                       org.apache.lucene.search.Sort groupSort)