Package org.apache.hugegraph.computer.core.sort.flusher

Class CombineSubKvOuterSortFlusher

java.lang.Object

org.apache.hugegraph.computer.core.sort.flusher.CombineSubKvOuterSortFlusher

All Implemented Interfaces:

OuterSortFlusher

public class CombineSubKvOuterSortFlusher
extends java.lang.Object
implements OuterSortFlusher

Constructor Summary

Constructors

Constructor	Description
CombineSubKvOuterSortFlusher(PointerCombiner combiner, int subKvFlushThreshold)

Method Summary

Modifier and Type	Method	Description
void	flush(EntryIterator entries, KvEntryFileWriter writer)	Combine the list of inputValues, and write the inputKey and combined result length and results to HgkvDirWriter.
void	sources(int sources)	Number of path to generate entries iterator in flush method.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hugegraph.computer.core.sort.flusher.OuterSortFlusher

combiner

Constructor Detail

CombineSubKvOuterSortFlusher

public CombineSubKvOuterSortFlusher(PointerCombiner combiner,
                                    int subKvFlushThreshold)

Method Detail

sources

public void sources(int sources)

Description copied from interface: OuterSortFlusher

Number of path to generate entries iterator in flush method. This method must be called before flush if sort with subKv.

Specified by:

sources in interface OuterSortFlusher

flush

public void flush(EntryIterator entries,
                  KvEntryFileWriter writer)
           throws java.io.IOException

Description copied from interface: OuterSortFlusher

Combine the list of inputValues, and write the inputKey and combined result length and results to HgkvDirWriter. The caller maybe needs to call the sources method before call this method.

Specified by:

flush in interface OuterSortFlusher

Throws:

java.io.IOException