org.gridgain.grid.kernal.visor.cmd

Class VisorJob<A,R>

java.lang.Object

org.gridgain.grid.compute.GridComputeJobAdapter

org.gridgain.grid.kernal.visor.cmd.VisorJob<A,R>

All Implemented Interfaces:

Serializable, Callable<Object>, GridComputeJob

public abstract class VisorJob<A,R>
extends GridComputeJobAdapter

Base class for Visor jobs.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected GridEx	g
protected GridLogger	log

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	VisorJob(A arg) Create job with specified argument.

Method Summary

Methods

Modifier and Type	Method and Description
Object	execute() Executes this job.
protected abstract R	run(A arg) Execution logic of concrete task.

Methods inherited from class org.gridgain.grid.compute.GridComputeJobAdapter

argument, call, cancel, isCancelled, setArguments

Methods inherited from class java.lang.Object

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

Field Detail

g

@GridInstanceResource
protected GridEx g

log

@GridLoggerResource
protected GridLogger log

Constructor Detail

VisorJob

protected VisorJob(A arg)

Create job with specified argument.

Parameters:

arg - Job argument.

Method Detail

execute

@Nullable
public Object execute()
               throws GridException

Executes this job.

Returns:

Job execution result (possibly null). This result will be returned in GridComputeJobResult.getData() method passed into GridComputeTask.result(GridComputeJobResult, List) task method on caller node.

Throws:

GridException - If job execution caused an exception. This exception will be returned in GridComputeJobResult.getException() method passed into GridComputeTask.result(GridComputeJobResult, List) task method on caller node. If execution produces a RuntimeException or Error, then it will be wrapped into GridException.

run

protected abstract R run(A arg)
                  throws GridException

Execution logic of concrete task.

Returns:

Result.

Throws:

GridException