org.apache.oozie.service
Interface Service

All Known Implementing Classes:

ActionCheckerService, ActionService, AuthorizationService, CallableQueueService, CallbackService, ConfigurationService, CoordinatorEngineService, CoordinatorStoreService, CoordJobMatLookupTriggerService, DagEngineService, DagXLogInfoService, DBLiteWorkflowStoreService, ELService, HadoopAccessorService, InstrumentationService, KerberosHadoopAccessorService, LiteWorkflowAppService, LiteWorkflowStoreService, MemoryLocksService, PurgeService, RecoveryService, SchedulerService, SchemaService, SLAStoreService, StoreService, UUIDService, WorkflowAppService, WorkflowSchemaService, WorkflowStoreService, XLogService

public interface Service

A service is component managed by the Services singleton.

Field Summary

static java.lang.String

CONF_PREFIX Prefix for all services configuration properties.

Method Summary

void	destroy() Destroy the service.
java.lang.Class<? extends Service>	getInterface() Return the public interface of the service.
void	init(Services services) Initialize the service.

Field Detail

CONF_PREFIX

static final java.lang.String CONF_PREFIX

Prefix for all services configuration properties.

See Also:

Constant Field Values

Method Detail

init

void init(Services services)
          throws ServiceException

Initialize the service.

Invoked by the Service singleton at start up time.

Parameters:

services - services singleton initializing the service.

Throws:

ServiceException - thrown if the service could not initialize.

destroy

void destroy()

Destroy the service.

Invoked by the Service singleton at shutdown time.

getInterface

java.lang.Class<? extends Service> getInterface()

Return the public interface of the service.

Services are retrieved by its public interface. Specializations of services must return the public interface.

Returns:

the interface of the service.