Package org.neo4j.gds.core.utils.partition

Class PartitionUtils

java.lang.Object

org.neo4j.gds.core.utils.partition.PartitionUtils

public final class PartitionUtils
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PartitionUtils.DegreeFunction

Method Summary

Modifier and Type	Method	Description
static <TASK> java.util.Iterator<TASK>	blockAlignedPartitioning(HugeLongArray sortedIds, int blockShift, java.util.function.Function<Partition,TASK> taskCreator)
static <TASK> java.util.List<TASK>	degreePartition(Graph graph, int concurrency, java.util.function.Function<DegreePartition,TASK> taskCreator, java.util.Optional<java.lang.Integer> minBatchSize)
static <TASK> java.util.List<TASK>	degreePartitionWithBatchSize(Graph graph, long batchSize, java.util.function.Function<DegreePartition,TASK> taskCreator)
static <TASK> java.util.List<TASK>	degreePartitionWithBatchSize(PrimitiveLongIterator nodes, PartitionUtils.DegreeFunction degrees, long batchSize, java.util.function.Function<DegreePartition,TASK> taskCreator)
static java.util.List<Partition>	numberAlignedPartitioning(int concurrency, long nodeCount, long alignTo)
static <TASK> java.util.List<TASK>	numberAlignedPartitioning(int concurrency, long nodeCount, long alignTo, java.util.function.Function<Partition,TASK> taskCreator)
static <TASK> java.util.List<TASK>	rangePartition(int concurrency, long nodeCount, java.util.function.Function<Partition,TASK> taskCreator, java.util.Optional<java.lang.Integer> minBatchSize)
static java.util.List<java.lang.Long>	rangePartitionActualBatchSizes(int concurrency, long nodeCount, java.util.Optional<java.lang.Integer> minBatchSize)
static <TASK> java.util.List<TASK>	rangePartitionWithBatchSize(long nodeCount, long batchSize, java.util.function.Function<Partition,TASK> taskCreator)

Methods inherited from class java.lang.Object

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

Method Detail

rangePartition

public static <TASK> java.util.List<TASK> rangePartition(int concurrency,
                                                         long nodeCount,
                                                         java.util.function.Function<Partition,TASK> taskCreator,
                                                         java.util.Optional<java.lang.Integer> minBatchSize)

rangePartitionWithBatchSize

public static <TASK> java.util.List<TASK> rangePartitionWithBatchSize(long nodeCount,
                                                                      long batchSize,
                                                                      java.util.function.Function<Partition,TASK> taskCreator)

numberAlignedPartitioning

public static java.util.List<Partition> numberAlignedPartitioning(int concurrency,
                                                                  long nodeCount,
                                                                  long alignTo)

numberAlignedPartitioning

public static <TASK> java.util.List<TASK> numberAlignedPartitioning(int concurrency,
                                                                    long nodeCount,
                                                                    long alignTo,
                                                                    java.util.function.Function<Partition,TASK> taskCreator)

degreePartition

public static <TASK> java.util.List<TASK> degreePartition(Graph graph,
                                                          int concurrency,
                                                          java.util.function.Function<DegreePartition,TASK> taskCreator,
                                                          java.util.Optional<java.lang.Integer> minBatchSize)

degreePartitionWithBatchSize

public static <TASK> java.util.List<TASK> degreePartitionWithBatchSize(Graph graph,
                                                                       long batchSize,
                                                                       java.util.function.Function<DegreePartition,TASK> taskCreator)

degreePartitionWithBatchSize

public static <TASK> java.util.List<TASK> degreePartitionWithBatchSize(PrimitiveLongIterator nodes,
                                                                       PartitionUtils.DegreeFunction degrees,
                                                                       long batchSize,
                                                                       java.util.function.Function<DegreePartition,TASK> taskCreator)

rangePartitionActualBatchSizes

public static java.util.List<java.lang.Long> rangePartitionActualBatchSizes(int concurrency,
                                                                            long nodeCount,
                                                                            java.util.Optional<java.lang.Integer> minBatchSize)

blockAlignedPartitioning

public static <TASK> java.util.Iterator<TASK> blockAlignedPartitioning(HugeLongArray sortedIds,
                                                                       int blockShift,
                                                                       java.util.function.Function<Partition,TASK> taskCreator)