org.apache.slider.server.services.workflow

Interface ServiceParent

All Superinterfaces:

AutoCloseable, Closeable, org.apache.hadoop.service.Service

All Known Implementing Classes:

AbstractProviderService, AbstractSliderLaunchedService, AgentProviderService, LaunchedWorkflowCompositeService, Slider, SliderAMProviderService, SliderAppMaster, SliderClient, WorkflowCompositeService, WorkflowSequenceService

public interface ServiceParent
extends org.apache.hadoop.service.Service

Interface for accessing services that contain one or more child services.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Method Summary

Methods

Modifier and Type	Method and Description
void	addService(org.apache.hadoop.service.Service service) Add a child service.
List<org.apache.hadoop.service.Service>	getServices() Get an unmodifiable list of services

Methods inherited from interface org.apache.hadoop.service.Service

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, registerServiceListener, start, stop, unregisterServiceListener, waitForServiceToStop

Method Detail

addService

void addService(org.apache.hadoop.service.Service service)

Add a child service. It must be in a consistent state with the service to which it is being added.

Parameters:

service - the service to add.

getServices

List<org.apache.hadoop.service.Service> getServices()

Get an unmodifiable list of services

Returns:

a list of child services at the time of invocation - added services will not be picked up.