com.thinkaurelius.titan.diskstorage.lucene

Class LuceneIndex

java.lang.Object

com.thinkaurelius.titan.diskstorage.lucene.LuceneIndex

All Implemented Interfaces:

IndexInformation, IndexProvider

public class LuceneIndex
extends Object
implements IndexProvider

Author:

Matthias Broecheler (me@matthiasb.com)

Constructor Summary

Constructors

Constructor and Description
LuceneIndex(Configuration config)

Method Summary

Modifier and Type	Method and Description
BaseTransactionConfigurable	beginTransaction(BaseTransactionConfig config)
void	clearStorage()
void	close()
IndexFeatures	getFeatures()
String	mapKey2Field(String key, KeyInformation information)
void	mutate(Map<String,Map<String,IndexMutation>> mutations, KeyInformation.IndexRetriever informations, BaseTransaction tx)
List<String>	query(IndexQuery query, KeyInformation.IndexRetriever informations, BaseTransaction tx)
Iterable<RawQuery.Result<String>>	query(RawQuery query, KeyInformation.IndexRetriever informations, BaseTransaction tx)
void	register(String store, String key, KeyInformation information, BaseTransaction tx)
void	restore(Map<String,Map<String,List<IndexEntry>>> documents, KeyInformation.IndexRetriever informations, BaseTransaction tx)
boolean	supports(KeyInformation information)
boolean	supports(KeyInformation information, TitanPredicate titanPredicate)

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneIndex

public LuceneIndex(Configuration config)

Method Detail

register

public void register(String store,
                     String key,
                     KeyInformation information,
                     BaseTransaction tx)
              throws BackendException

Specified by:

register in interface IndexProvider

Throws:

BackendException

mutate

public void mutate(Map<String,Map<String,IndexMutation>> mutations,
                   KeyInformation.IndexRetriever informations,
                   BaseTransaction tx)
            throws BackendException

Specified by:

mutate in interface IndexProvider

Throws:

BackendException

restore

public void restore(Map<String,Map<String,List<IndexEntry>>> documents,
                    KeyInformation.IndexRetriever informations,
                    BaseTransaction tx)
             throws BackendException

Specified by:

restore in interface IndexProvider

Throws:

BackendException

query

public List<String> query(IndexQuery query,
                          KeyInformation.IndexRetriever informations,
                          BaseTransaction tx)
                   throws BackendException

Specified by:

query in interface IndexProvider

Throws:

BackendException

query

public Iterable<RawQuery.Result<String>> query(RawQuery query,
                                               KeyInformation.IndexRetriever informations,
                                               BaseTransaction tx)
                                        throws BackendException

Specified by:

query in interface IndexProvider

Throws:

BackendException

beginTransaction

public BaseTransactionConfigurable beginTransaction(BaseTransactionConfig config)
                                             throws BackendException

Specified by:

beginTransaction in interface IndexProvider

Throws:

BackendException

supports

public boolean supports(KeyInformation information,
                        TitanPredicate titanPredicate)

Specified by:

supports in interface IndexInformation

supports

public boolean supports(KeyInformation information)

Specified by:

supports in interface IndexInformation

mapKey2Field

public String mapKey2Field(String key,
                           KeyInformation information)

Specified by:

mapKey2Field in interface IndexInformation

getFeatures

public IndexFeatures getFeatures()

Specified by:

getFeatures in interface IndexInformation

close

public void close()
           throws BackendException

Specified by:

close in interface IndexProvider

Throws:

BackendException

clearStorage

public void clearStorage()
                  throws BackendException

Specified by:

clearStorage in interface IndexProvider

Throws:

BackendException