Package org.neo4j.gds.core.compression.common

Class AbstractAdjacencyCompressorFactory<TARGET_PAGE,PROPERTY_PAGE>

java.lang.Object

org.neo4j.gds.core.compression.common.AbstractAdjacencyCompressorFactory<TARGET_PAGE,PROPERTY_PAGE>

All Implemented Interfaces:

AdjacencyCompressorFactory

public abstract class AbstractAdjacencyCompressorFactory<TARGET_PAGE,PROPERTY_PAGE>
extends java.lang.Object
implements AdjacencyCompressorFactory

Constructor Summary

Constructors

Constructor	Description
AbstractAdjacencyCompressorFactory(java.util.function.LongSupplier nodeCountSupplier, AdjacencyListBuilder<TARGET_PAGE,? extends AdjacencyList> adjacencyBuilder, AdjacencyListBuilder<PROPERTY_PAGE,? extends AdjacencyProperties>[] propertyBuilders, boolean noAggregation, org.neo4j.gds.core.Aggregation[] aggregations)

Method Summary

Modifier and Type	Method	Description
AdjacencyListsWithProperties	build()
AdjacencyCompressor	createCompressor()
protected abstract AdjacencyCompressor	createCompressorFromInternalState(AdjacencyListBuilder<TARGET_PAGE,? extends AdjacencyList> adjacencyBuilder, AdjacencyListBuilder<PROPERTY_PAGE,? extends AdjacencyProperties>[] propertyBuilders, boolean noAggregation, org.neo4j.gds.core.Aggregation[] aggregations, HugeIntArray adjacencyDegrees, HugeLongArray adjacencyOffsets, HugeLongArray propertyOffsets)
void	init()	Prepares the compressor for flushing, for example by initializing data structures as they are needed.
java.util.concurrent.atomic.LongAdder	relationshipCounter()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractAdjacencyCompressorFactory

public AbstractAdjacencyCompressorFactory(java.util.function.LongSupplier nodeCountSupplier,
                                          AdjacencyListBuilder<TARGET_PAGE,? extends AdjacencyList> adjacencyBuilder,
                                          AdjacencyListBuilder<PROPERTY_PAGE,? extends AdjacencyProperties>[] propertyBuilders,
                                          boolean noAggregation,
                                          org.neo4j.gds.core.Aggregation[] aggregations)

Method Detail

init

public void init()

Description copied from interface: AdjacencyCompressorFactory

Prepares the compressor for flushing, for example by initializing data structures as they are needed.

Specified by:

init in interface AdjacencyCompressorFactory

relationshipCounter

public java.util.concurrent.atomic.LongAdder relationshipCounter()

Specified by:

relationshipCounter in interface AdjacencyCompressorFactory

build

public AdjacencyListsWithProperties build()

Specified by:

build in interface AdjacencyCompressorFactory

Returns:

the final adjacency list, together with any number of properties, if any.

createCompressorFromInternalState

protected abstract AdjacencyCompressor createCompressorFromInternalState(AdjacencyListBuilder<TARGET_PAGE,? extends AdjacencyList> adjacencyBuilder,
                                                                         AdjacencyListBuilder<PROPERTY_PAGE,? extends AdjacencyProperties>[] propertyBuilders,
                                                                         boolean noAggregation,
                                                                         org.neo4j.gds.core.Aggregation[] aggregations,
                                                                         HugeIntArray adjacencyDegrees,
                                                                         HugeLongArray adjacencyOffsets,
                                                                         HugeLongArray propertyOffsets)

createCompressor

public AdjacencyCompressor createCompressor()

Specified by:

createCompressor in interface AdjacencyCompressorFactory

Returns:

a copy of this blueprint that can be used concurrently with other copies to compress data.