Package com.alibaba.graphscope.example.stringApp

Class StringAppContext

java.lang.Object

com.alibaba.graphscope.context.VertexDataContext<IFragment<Long,Long,StringView,StringView>,Integer>

com.alibaba.graphscope.example.stringApp.StringAppContext

All Implemented Interfaces:

ContextBase, ParallelContextBase<Long,Long,StringView,StringView>

public class StringAppContext
extends VertexDataContext<IFragment<Long,Long,StringView,StringView>,Integer>
implements ParallelContextBase<Long,Long,StringView,StringView>

Constructor Summary

Constructors

Constructor	Description
StringAppContext()

Method Summary

Modifier and Type	Method	Description
void	Init(IFragment<Long,Long,StringView,StringView> frag, ParallelMessageManager messageManager, com.alibaba.fastjson.JSONObject jsonObject)	Called by grape framework, before any PEval.
void	Output(IFragment<Long,Long,StringView,StringView> 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

Constructor Detail

StringAppContext

public StringAppContext()

Method Detail

Init

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

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,StringView,StringView>

Parameters:

frag - The graph fragment providing accesses to graph data.

messageManager - The message manger which manages messages between fragments.

jsonObject - String args from cmdline.

See Also:

IFragment, ParallelMessageManager, JSONObject

Output

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

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,StringView,StringView>

Parameters:

frag - The graph fragment contains the graph info.

See Also:

IFragment