org.apache.skywalking.apm.agent.core.commands

Class CommandExecutorService

java.lang.Object

org.apache.skywalking.apm.agent.core.commands.CommandExecutorService

All Implemented Interfaces:

BootService, CommandExecutor

public class CommandExecutorService
extends Object
implements BootService, CommandExecutor

Command executor service, acts like a routing executor that controls all commands' execution, is responsible for managing all the mappings between commands and their executors, one can simply invoke execute(BaseCommand) and it will routes the command to corresponding executor. Registering command executor for new command in commandExecutorMap is required to support new command.

Author:

Zhang Xin, kezhenxu94

Constructor Summary

Constructors

Constructor and Description
CommandExecutorService()

Method Summary

Modifier and Type	Method and Description
void	boot()
void	execute(BaseCommand command)
void	onComplete()
void	prepare()
void	shutdown()

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandExecutorService

public CommandExecutorService()

Method Detail

prepare

public void prepare()
             throws Throwable

Specified by:

prepare in interface BootService

Throws:

Throwable

boot

public void boot()
          throws Throwable

Specified by:

boot in interface BootService

Throws:

Throwable

onComplete

public void onComplete()
                throws Throwable

Specified by:

onComplete in interface BootService

Throws:

Throwable

shutdown

public void shutdown()
              throws Throwable

Specified by:

shutdown in interface BootService

Throws:

Throwable

execute

public void execute(BaseCommand command)
             throws CommandExecutionException

Specified by:

execute in interface CommandExecutor

Parameters:

command - the command that is to be executed

Throws:

CommandExecutionException - when the executor failed to execute the command