org.neo4j.kernel.api.impl.schema

Class LuceneSchemaIndex

java.lang.Object

org.neo4j.kernel.api.impl.index.AbstractLuceneIndex

org.neo4j.kernel.api.impl.schema.LuceneSchemaIndex

All Implemented Interfaces:

Closeable, AutoCloseable

public class LuceneSchemaIndex
extends AbstractLuceneIndex

Implementation of Lucene schema index that support multiple partitions.

Constructor Summary

Constructors

Constructor and Description
LuceneSchemaIndex(PartitionedIndexStorage indexStorage, org.neo4j.kernel.api.index.IndexConfiguration config, org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig samplingConfig, org.neo4j.function.Factory<org.apache.lucene.index.IndexWriterConfig> writerConfigFactory)

Method Summary

Modifier and Type	Method and Description
void	drop() Close index and deletes all it's partitions.
org.neo4j.storageengine.api.schema.IndexReader	getIndexReader()
LuceneIndexWriter	getIndexWriter()
boolean	isOnline() Check if this index is marked as online.
void	markAsFailed(String failure) Writes the given failure message to the failure storage.
void	markAsOnline() Marks index as online by including "status" -> "online" map into commit metadata of the first partition.
void	verifyUniqueness(org.neo4j.kernel.api.index.PropertyAccessor accessor, int propertyKeyId) Verifies uniqueness of property values present in this index.
void	verifyUniqueness(org.neo4j.kernel.api.index.PropertyAccessor accessor, int propertyKeyId, List<Object> updatedPropertyValues) Verifies uniqueness of updated property values.

Methods inherited from class org.neo4j.kernel.api.impl.index.AbstractLuceneIndex

addNewPartition, allDocumentsReader, close, create, exists, flush, getFirstPartition, getPartitions, hasSinglePartition, isOpen, isValid, maybeRefreshBlocking, open, snapshot

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneSchemaIndex

public LuceneSchemaIndex(PartitionedIndexStorage indexStorage,
                         org.neo4j.kernel.api.index.IndexConfiguration config,
                         org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig samplingConfig,
                         org.neo4j.function.Factory<org.apache.lucene.index.IndexWriterConfig> writerConfigFactory)

Method Detail

getIndexWriter

public LuceneIndexWriter getIndexWriter()
                                 throws IOException

Throws:

IOException

getIndexReader

public org.neo4j.storageengine.api.schema.IndexReader getIndexReader()
                                                              throws IOException

Throws:

IOException

verifyUniqueness

public void verifyUniqueness(org.neo4j.kernel.api.index.PropertyAccessor accessor,
                             int propertyKeyId)
                      throws IOException,
                             org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException

Verifies uniqueness of property values present in this index.

Parameters:

accessor - the accessor to retrieve actual property values from the store.

propertyKeyId - the id of the property to verify.

Throws:

org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException - if there are duplicates.

IOException

See Also:

UniquenessVerifier.verify(PropertyAccessor, int)

verifyUniqueness

public void verifyUniqueness(org.neo4j.kernel.api.index.PropertyAccessor accessor,
                             int propertyKeyId,
                             List<Object> updatedPropertyValues)
                      throws IOException,
                             org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException

Verifies uniqueness of updated property values.

Parameters:

accessor - the accessor to retrieve actual property values from the store.

propertyKeyId - the id of the property to verify.

updatedPropertyValues - the values to check uniqueness for.

Throws:

org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException - if there are duplicates.

IOException

See Also:

UniquenessVerifier.verify(PropertyAccessor, int, List)

drop

public void drop()
          throws IOException

Description copied from class: AbstractLuceneIndex

Close index and deletes all it's partitions.

Overrides:

drop in class AbstractLuceneIndex

Throws:

IOException

isOnline

public boolean isOnline()
                 throws IOException

Check if this index is marked as online.

Returns:

true if index is online, false otherwise

Throws:

IOException

markAsOnline

public void markAsOnline()
                  throws IOException

Marks index as online by including "status" -> "online" map into commit metadata of the first partition.

Throws:

IOException

markAsFailed

public void markAsFailed(String failure)
                  throws IOException

Writes the given failure message to the failure storage.

Parameters:

failure - the failure message.

Throws:

IOException