org.apache.ambari.server.state

Class ServiceImpl

java.lang.Object

org.apache.ambari.server.state.ServiceImpl

All Implemented Interfaces:

Service

public class ServiceImpl
extends Object
implements Service

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ambari.server.state.Service

Service.Type

Constructor Summary

Constructors

Constructor and Description
ServiceImpl(Cluster cluster, ClusterServiceEntity serviceEntity, com.google.inject.Injector injector)
ServiceImpl(Cluster cluster, String serviceName, com.google.inject.Injector injector)

Method Summary

Modifier and Type	Method and Description
void	addServiceComponent(ServiceComponent component)
ServiceComponent	addServiceComponent(String serviceComponentName)
void	addServiceComponents(Map<String,ServiceComponent> components)
boolean	canBeRemoved() Find out whether the service and its components are in a state that it can be removed from a cluster
ServiceResponse	convertToResponse()
void	debugDump(StringBuilder sb)
void	delete()
void	deleteAllComponents()
void	deleteServiceComponent(String componentName)
Cluster	getCluster()
ReadWriteLock	getClusterGlobalLock() Get lock to control access to cluster structure
long	getClusterId()
StackId	getDesiredStackVersion()
State	getDesiredState()
MaintenanceState	getMaintenanceState()
String	getName()
ServiceComponent	getServiceComponent(String componentName)
Map<String,ServiceComponent>	getServiceComponents()
boolean	isClientOnlyService()
boolean	isPersisted()
void	persist()
protected void	persistEntities()
void	refresh()
protected void	removeEntities()
void	setDesiredStackVersion(StackId stackVersion)
void	setDesiredState(State state)
void	setMaintenanceState(MaintenanceState state) Sets the maintenance state for the service

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceImpl

public ServiceImpl(Cluster cluster,
                   String serviceName,
                   com.google.inject.Injector injector)
            throws AmbariException

Throws:

AmbariException

ServiceImpl

public ServiceImpl(Cluster cluster,
                   ClusterServiceEntity serviceEntity,
                   com.google.inject.Injector injector)
            throws AmbariException

Throws:

AmbariException

Method Detail

getClusterGlobalLock

public ReadWriteLock getClusterGlobalLock()

Description copied from interface: Service

Get lock to control access to cluster structure

Specified by:

getClusterGlobalLock in interface Service

Returns:

cluster-global lock

getName

public String getName()

Specified by:

getName in interface Service

getClusterId

public long getClusterId()

Specified by:

getClusterId in interface Service

getServiceComponents

public Map<String,ServiceComponent> getServiceComponents()

Specified by:

getServiceComponents in interface Service

addServiceComponents

public void addServiceComponents(Map<String,ServiceComponent> components)
                          throws AmbariException

Specified by:

addServiceComponents in interface Service

Throws:

AmbariException

addServiceComponent

public void addServiceComponent(ServiceComponent component)
                         throws AmbariException

Specified by:

addServiceComponent in interface Service

Throws:

AmbariException

addServiceComponent

public ServiceComponent addServiceComponent(String serviceComponentName)
                                     throws AmbariException

Specified by:

addServiceComponent in interface Service

Throws:

AmbariException

getServiceComponent

public ServiceComponent getServiceComponent(String componentName)
                                     throws AmbariException

Specified by:

getServiceComponent in interface Service

Throws:

AmbariException

getDesiredState

public State getDesiredState()

Specified by:

getDesiredState in interface Service

setDesiredState

public void setDesiredState(State state)

Specified by:

setDesiredState in interface Service

getDesiredStackVersion

public StackId getDesiredStackVersion()

Specified by:

getDesiredStackVersion in interface Service

setDesiredStackVersion

public void setDesiredStackVersion(StackId stackVersion)

Specified by:

setDesiredStackVersion in interface Service

convertToResponse

public ServiceResponse convertToResponse()

Specified by:

convertToResponse in interface Service

getCluster

public Cluster getCluster()

Specified by:

getCluster in interface Service

debugDump

public void debugDump(StringBuilder sb)

Specified by:

debugDump in interface Service

isPersisted

public boolean isPersisted()

Specified by:

isPersisted in interface Service

persist

public void persist()

Specified by:

persist in interface Service

persistEntities

protected void persistEntities()

refresh

public void refresh()

Specified by:

refresh in interface Service

canBeRemoved

public boolean canBeRemoved()

Description copied from interface: Service

Find out whether the service and its components are in a state that it can be removed from a cluster

Specified by:

canBeRemoved in interface Service

Returns:

deleteAllComponents

public void deleteAllComponents()
                         throws AmbariException

Specified by:

deleteAllComponents in interface Service

Throws:

AmbariException

deleteServiceComponent

public void deleteServiceComponent(String componentName)
                            throws AmbariException

Specified by:

deleteServiceComponent in interface Service

Throws:

AmbariException

isClientOnlyService

public boolean isClientOnlyService()

Specified by:

isClientOnlyService in interface Service

delete

public void delete()
            throws AmbariException

Specified by:

delete in interface Service

Throws:

AmbariException

removeEntities

protected void removeEntities()
                       throws AmbariException

Throws:

AmbariException

setMaintenanceState

public void setMaintenanceState(MaintenanceState state)

Description copied from interface: Service

Sets the maintenance state for the service

Specified by:

setMaintenanceState in interface Service

Parameters:

state - the state

getMaintenanceState

public MaintenanceState getMaintenanceState()

Specified by:

getMaintenanceState in interface Service

Returns:

the maintenance state