org.apache.tinkerpop.gremlin.hadoop.process.computer

Class AbstractHadoopGraphComputer

java.lang.Object

org.apache.tinkerpop.gremlin.hadoop.process.computer.AbstractHadoopGraphComputer

All Implemented Interfaces:

GraphComputer

Direct Known Subclasses:

GiraphGraphComputer, SparkGraphComputer

public abstract class AbstractHadoopGraphComputer
extends Object
implements GraphComputer

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Nested Class Summary

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

GraphComputer.Exceptions, GraphComputer.Features, GraphComputer.Persist, GraphComputer.ResultGraph

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	executed
protected HadoopGraph	hadoopGraph
protected org.slf4j.Logger	logger
protected Set<MapReduce>	mapReducers
protected GraphComputer.Persist	persist
protected GraphComputer.ResultGraph	resultGraph
protected VertexProgram<Object>	vertexProgram

Constructor Summary

Constructors

Constructor and Description
AbstractHadoopGraphComputer(HadoopGraph hadoopGraph)

Method Summary

Modifier and Type	Method and Description
GraphComputer.Features	features()
GraphComputer	mapReduce(MapReduce mapReduce)
GraphComputer	persist(GraphComputer.Persist persist)
GraphComputer	program(VertexProgram vertexProgram)
GraphComputer	result(GraphComputer.ResultGraph resultGraph)
String	toString()
protected void	validateStatePriorToExecution()

Methods inherited from class java.lang.Object

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

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

submit

Field Detail

logger

protected final org.slf4j.Logger logger

hadoopGraph

protected final HadoopGraph hadoopGraph

executed

protected boolean executed

mapReducers

protected final Set<MapReduce> mapReducers

vertexProgram

protected VertexProgram<Object> vertexProgram

resultGraph

protected GraphComputer.ResultGraph resultGraph

persist

protected GraphComputer.Persist persist

Constructor Detail

AbstractHadoopGraphComputer

public AbstractHadoopGraphComputer(HadoopGraph hadoopGraph)

Method Detail

result

public GraphComputer result(GraphComputer.ResultGraph resultGraph)

Specified by:

result in interface GraphComputer

persist

public GraphComputer persist(GraphComputer.Persist persist)

Specified by:

persist in interface GraphComputer

program

public GraphComputer program(VertexProgram vertexProgram)

Specified by:

program in interface GraphComputer

mapReduce

public GraphComputer mapReduce(MapReduce mapReduce)

Specified by:

mapReduce in interface GraphComputer

toString

public String toString()

Overrides:

toString in class Object

validateStatePriorToExecution

protected void validateStatePriorToExecution()

features

public GraphComputer.Features features()

Specified by:

features in interface GraphComputer