org.neo4j.kernel.api.impl.schema.reader

Class PartitionedIndexReader

java.lang.Object

org.neo4j.kernel.api.impl.schema.reader.PartitionedIndexReader

All Implemented Interfaces:

AutoCloseable, org.neo4j.graphdb.Resource, org.neo4j.storageengine.api.schema.IndexReader

public class PartitionedIndexReader
extends Object
implements org.neo4j.storageengine.api.schema.IndexReader

Index reader that is able to read/sample multiple partitions of a partitioned Lucene index. Internally uses multiple SimpleIndexReaders for individual partitions.

See Also:

SimpleIndexReader

Field Summary

Fields inherited from interface org.neo4j.storageengine.api.schema.IndexReader

EMPTY

Constructor Summary

Constructors

Constructor and Description
PartitionedIndexReader(List<PartitionSearcher> partitionSearchers, org.neo4j.kernel.api.schema_new.index.NewIndexDescriptor descriptor, org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig samplingConfig, org.neo4j.helpers.TaskCoordinator taskCoordinator)

Method Summary

Modifier and Type	Method and Description
void	close()
long	countIndexedNodes(long nodeId, Object... propertyValues)
org.neo4j.storageengine.api.schema.IndexSampler	createSampler()
org.neo4j.collection.primitive.PrimitiveLongIterator	query(org.neo4j.kernel.api.schema_new.IndexQuery... predicates)

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionedIndexReader

public PartitionedIndexReader(List<PartitionSearcher> partitionSearchers,
                              org.neo4j.kernel.api.schema_new.index.NewIndexDescriptor descriptor,
                              org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig samplingConfig,
                              org.neo4j.helpers.TaskCoordinator taskCoordinator)

Method Detail

query

public org.neo4j.collection.primitive.PrimitiveLongIterator query(org.neo4j.kernel.api.schema_new.IndexQuery... predicates)
                                                           throws org.neo4j.kernel.api.exceptions.index.IndexNotApplicableKernelException

Specified by:

query in interface org.neo4j.storageengine.api.schema.IndexReader

Throws:

org.neo4j.kernel.api.exceptions.index.IndexNotApplicableKernelException

countIndexedNodes

public long countIndexedNodes(long nodeId,
                              Object... propertyValues)

Specified by:

countIndexedNodes in interface org.neo4j.storageengine.api.schema.IndexReader

createSampler

public org.neo4j.storageengine.api.schema.IndexSampler createSampler()

Specified by:

createSampler in interface org.neo4j.storageengine.api.schema.IndexReader

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.neo4j.graphdb.Resource