Package com.alibaba.graphscope.example.traverse

Class TraverseContext

java.lang.Object

com.alibaba.graphscope.context.VertexDataContext<IFragment<Long,Long,Double,Long>,Long>

com.alibaba.graphscope.example.traverse.TraverseContext

All Implemented Interfaces:

ContextBase, ParallelContextBase<Long,Long,Double,Long>

public class TraverseContext
extends VertexDataContext<IFragment<Long,Long,Double,Long>,Long>
implements ParallelContextBase<Long,Long,Double,Long>

Field Summary

Fields

Modifier and Type	Field	Description
int	maxIteration
GSVertexArray<Long>	vertexArray

Constructor Summary

Constructors

Constructor	Description
TraverseContext()

Method Summary

Modifier and Type	Method	Description
void	Init(IFragment<Long,Long,Double,Long> frag, ParallelMessageManager messageManager, com.alibaba.fastjson.JSONObject jsonObject)	Called by grape framework, before any PEval.
void	Output(IFragment<Long,Long,Double,Long> frag)	Output will be executed when the computations finalizes.

Methods inherited from class com.alibaba.graphscope.context.VertexDataContext

createFFIContext, data, getDataClass

Methods inherited from class java.lang.Object

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

Field Detail

vertexArray

public GSVertexArray<Long> vertexArray

maxIteration

public int maxIteration

Constructor Detail

TraverseContext

public TraverseContext()

Method Detail

Init

public void Init(IFragment<Long,Long,Double,Long> frag,
                 ParallelMessageManager messageManager,
                 com.alibaba.fastjson.JSONObject jsonObject)

Description copied from interface: ParallelContextBase

Called by grape framework, before any PEval. You can initiating data structures need during super steps here.

Specified by:

Init in interface ParallelContextBase<Long,Long,Double,Long>

Parameters:

frag - The graph fragment providing accesses to graph data.

messageManager - The message manager which manages messages between fragments.

jsonObject - String args from cmdline.

See Also:

IFragment, ParallelMessageManager, JSONObject

Output

public void Output(IFragment<Long,Long,Double,Long> frag)

Description copied from interface: ParallelContextBase

Output will be executed when the computations finalizes. Data maintained in this context shall be outputted here.

Specified by:

Output in interface ParallelContextBase<Long,Long,Double,Long>

Parameters:

frag - The graph fragment contains the graph info.

See Also:

IFragment