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org.apache.oozie.service
Class DagEngineService

java.lang.Object
  org.apache.oozie.service.DagEngineService

All Implemented Interfaces:

Service

public class DagEngineService
extends Object
implements Service

Service that return a dag engine for a user.

Field Summary

Fields inherited from interface org.apache.oozie.service.Service

CONF_PREFIX, DEFAULT_LOCK_TIMEOUT, lockTimeout, USE_XCOMMAND

Constructor Summary

DagEngineService()

Method Summary

void	destroy() Destroy the service.
DagEngine	getDagEngine(String user, String authToken) Return a Dag engine.
Class<? extends Service>	getInterface() Return the public interface of the Dag engine service.
DagEngine	getSystemDagEngine() Return a Dag engine for a system user (no user, no group).
void	init(Services services) Initialize the service.

Methods inherited from class java.lang.Object

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

Constructor Detail

DagEngineService

public DagEngineService()

Method Detail

init

public void init(Services services)

Initialize the service.

Specified by:

init in interface Service

Parameters:

services - services instance.

destroy

public void destroy()

Destroy the service.

Specified by:

destroy in interface Service

getInterface

public Class<? extends Service> getInterface()

Return the public interface of the Dag engine service.

Specified by:

getInterface in interface Service

Returns:

DagEngineService.

getDagEngine

public DagEngine getDagEngine(String user,
                              String authToken)

Return a Dag engine.

Parameters:

user - user for the dag engine.

authToken - the authentication token.

Returns:

the dag engine for the specified user.

getSystemDagEngine

public DagEngine getSystemDagEngine()

Return a Dag engine for a system user (no user, no group).

Returns:

a system Dag engine.