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

Class GiraphMemory

java.lang.Object

org.apache.giraph.master.MasterCompute

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

All Implemented Interfaces:

org.apache.giraph.aggregators.AggregatorUsage, org.apache.giraph.conf.ImmutableClassesGiraphConfigurable, org.apache.giraph.master.MasterAggregatorUsage, org.apache.hadoop.io.Writable, Memory

public final class GiraphMemory
extends org.apache.giraph.master.MasterCompute
implements Memory

Author:

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

Nested Class Summary

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

Memory.Admin, Memory.Exceptions

Constructor Summary

Constructors

Constructor and Description
GiraphMemory()
GiraphMemory(GiraphWorkerContext worker, VertexProgram<?> vertexProgram)

Method Summary

Modifier and Type	Method and Description
void	and(String key, boolean bool)
void	compute()
boolean	exists(String key)
<R> R	get(String key)
int	getIteration()
long	getRuntime()
void	incr(String key, long delta)
void	initialize()
Set<String>	keys()
void	or(String key, boolean bool)
void	readFields(DataInput input)
void	set(String key, Object value)
String	toString()
void	write(DataOutput output)

Methods inherited from class org.apache.giraph.master.MasterCompute

getAggregatedValue, getConf, getContext, getSuperstep, getTotalNumEdges, getTotalNumVertices, haltComputation, isHalted, registerAggregator, registerPersistentAggregator, setAggregatedValue, setConf

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.Memory

asMap, isInitialIteration

Constructor Detail

GiraphMemory

public GiraphMemory()

GiraphMemory

public GiraphMemory(GiraphWorkerContext worker,
                    VertexProgram<?> vertexProgram)

Method Detail

initialize

public void initialize()

Specified by:

initialize in class org.apache.giraph.master.MasterCompute

compute

public void compute()

Specified by:

compute in class org.apache.giraph.master.MasterCompute

getIteration

public int getIteration()

Specified by:

getIteration in interface Memory

getRuntime

public long getRuntime()

Specified by:

getRuntime in interface Memory

keys

public Set<String> keys()

Specified by:

keys in interface Memory

exists

public boolean exists(String key)

Specified by:

exists in interface Memory

get

public <R> R get(String key)
          throws IllegalArgumentException

Specified by:

get in interface Memory

Throws:

IllegalArgumentException

set

public void set(String key,
                Object value)

Specified by:

set in interface Memory

and

public void and(String key,
                boolean bool)

Specified by:

and in interface Memory

or

public void or(String key,
               boolean bool)

Specified by:

or in interface Memory

incr

public void incr(String key,
                 long delta)

Specified by:

incr in interface Memory

write

public void write(DataOutput output)

Specified by:

write in interface org.apache.hadoop.io.Writable

readFields

public void readFields(DataInput input)

Specified by:

readFields in interface org.apache.hadoop.io.Writable

toString

public String toString()

Overrides:

toString in class Object