org.janusgraph.olap

Class OLAPTest.DegreeMapper

java.lang.Object

org.apache.tinkerpop.gremlin.process.computer.util.StaticMapReduce<Long,Integer,Long,Integer,Map<Long,Integer>>

org.janusgraph.olap.OLAPTest.DegreeMapper

All Implemented Interfaces:

Cloneable, org.apache.tinkerpop.gremlin.process.computer.MapReduce<Long,Integer,Long,Integer,Map<Long,Integer>>

Enclosing class:

OLAPTest

public static class OLAPTest.DegreeMapper
extends org.apache.tinkerpop.gremlin.process.computer.util.StaticMapReduce<Long,Integer,Long,Integer,Map<Long,Integer>>

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.process.computer.MapReduce

org.apache.tinkerpop.gremlin.process.computer.MapReduce.MapEmitter<K,V>, org.apache.tinkerpop.gremlin.process.computer.MapReduce.NullObject, org.apache.tinkerpop.gremlin.process.computer.MapReduce.ReduceEmitter<OK,OV>, org.apache.tinkerpop.gremlin.process.computer.MapReduce.Stage

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEGREE_RESULT

Fields inherited from interface org.apache.tinkerpop.gremlin.process.computer.MapReduce

MAP_REDUCE

Constructor Summary

Constructors

Constructor and Description
DegreeMapper()

Method Summary

Modifier and Type	Method and Description
boolean	doStage(org.apache.tinkerpop.gremlin.process.computer.MapReduce.Stage stage)
Map<Long,Integer>	generateFinalResult(Iterator<org.apache.tinkerpop.gremlin.process.computer.KeyValue<Long,Integer>> keyValues)
String	getMemoryKey()
void	map(org.apache.tinkerpop.gremlin.structure.Vertex vertex, org.apache.tinkerpop.gremlin.process.computer.MapReduce.MapEmitter<Long,Integer> emitter)

Methods inherited from class org.apache.tinkerpop.gremlin.process.computer.util.StaticMapReduce

clone, equals, hashCode, storeState, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.tinkerpop.gremlin.process.computer.MapReduce

addResultToMemory, combine, createMapReduce, getMapKeySort, getReduceKeySort, loadState, reduce, workerEnd, workerStart

Field Detail

DEGREE_RESULT

public static final String DEGREE_RESULT

See Also:

Constant Field Values

Constructor Detail

DegreeMapper

public DegreeMapper()

Method Detail

doStage

public boolean doStage(org.apache.tinkerpop.gremlin.process.computer.MapReduce.Stage stage)

map

public void map(org.apache.tinkerpop.gremlin.structure.Vertex vertex,
                org.apache.tinkerpop.gremlin.process.computer.MapReduce.MapEmitter<Long,Integer> emitter)

generateFinalResult

public Map<Long,Integer> generateFinalResult(Iterator<org.apache.tinkerpop.gremlin.process.computer.KeyValue<Long,Integer>> keyValues)

getMemoryKey

public String getMemoryKey()