org.jboss.as.ejb3.suspend

Class EJBSuspendHandlerService

java.lang.Object

org.jboss.as.ejb3.suspend.EJBSuspendHandlerService

All Implemented Interfaces:

Synchronization, org.jboss.as.server.suspend.ServerActivity, org.jboss.msc.Service, org.jboss.msc.value.Value<EJBSuspendHandlerService>, org.wildfly.transaction.client.CreationListener

public class EJBSuspendHandlerService
extends Object
implements org.jboss.msc.service.Service<EJBSuspendHandlerService>, org.jboss.as.server.suspend.ServerActivity, org.wildfly.transaction.client.CreationListener, Synchronization

Controls shutdown indicating whether a remote request should be accepted or not.

Author:

Flavia Rainone

Nested Class Summary

Nested classes/interfaces inherited from interface org.wildfly.transaction.client.CreationListener

org.wildfly.transaction.client.CreationListener.CreatedBy

Field Summary

Fields

Modifier and Type	Field and Description
static org.jboss.msc.service.ServiceName	SERVICE_NAME EJBSuspendHandlerService name

Fields inherited from interface org.jboss.msc.service.Service

NULL, NULL_VALUE

Constructor Summary

Constructors

Constructor and Description
EJBSuspendHandlerService(boolean gracefulTxnShutdown) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	acceptInvocation(org.jboss.invocation.InterceptorContext context) Indicates if a invocation should be accepted: which will happen only if server is not suspended, or if the invocation involves a still active transaction.
void	afterCompletion(int status) Notifies handler that an active transaction has completed.
void	beforeCompletion() Notifies handler that an active transaction is about to complete.
void	enableGracefulTxnShutdown(boolean gracefulTxnShutdown) Sets a new value for gracefulTxnShutdown.
org.jboss.msc.value.InjectedValue<DeploymentRepository>	getDeploymentRepositoryInjectedValue() Returns deployment repository injected value.
org.jboss.msc.value.InjectedValue<org.wildfly.transaction.client.LocalTransactionContext>	getLocalTransactionContextInjectedValue() Returns local transaction context injected value.
org.jboss.msc.value.InjectedValue<org.jboss.as.server.suspend.SuspendController>	getSuspendControllerInjectedValue() Returns suspend controller injected value.
EJBSuspendHandlerService	getValue() Returns service value.
void	invocationComplete() Notifies handler that an active invocation is complete.
boolean	isSuspended() Indicates if ejb subsystem is suspended.
void	preSuspend(org.jboss.as.server.suspend.ServerActivityCallback listener) Pre suspend.
void	resume() Notifies local transaction context that server is resumed, and restarts deployment controller.
void	start(org.jboss.msc.service.StartContext context) Starts the service.
void	stop(org.jboss.msc.service.StopContext context) Stops the service.
void	suspended(org.jboss.as.server.suspend.ServerActivityCallback listener) Notifies local transaction context that server is suspended, and only completes suspension if there are no active invocations nor transactions.
void	transactionCreated(org.wildfly.transaction.client.AbstractTransaction transaction, org.wildfly.transaction.client.CreationListener.CreatedBy createdBy) Notifies handler that a new transaction has been created.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.msc.Service

newInstance

Field Detail

SERVICE_NAME

public static final org.jboss.msc.service.ServiceName SERVICE_NAME

EJBSuspendHandlerService name

Constructor Detail

EJBSuspendHandlerService

public EJBSuspendHandlerService(boolean gracefulTxnShutdown)

Constructor.

Parameters:

gracefulTxnShutdown - value of model attribute

Method Detail

enableGracefulTxnShutdown

public void enableGracefulTxnShutdown(boolean gracefulTxnShutdown)

Sets a new value for gracefulTxnShutdown.

Parameters:

gracefulTxnShutdown - new value of the model attribute

getSuspendControllerInjectedValue

public org.jboss.msc.value.InjectedValue<org.jboss.as.server.suspend.SuspendController> getSuspendControllerInjectedValue()

Returns suspend controller injected value.

Returns:

suspend controller injected value

getLocalTransactionContextInjectedValue

public org.jboss.msc.value.InjectedValue<org.wildfly.transaction.client.LocalTransactionContext> getLocalTransactionContextInjectedValue()

Returns local transaction context injected value.

Returns:

local transaction context injected value

getDeploymentRepositoryInjectedValue

public org.jboss.msc.value.InjectedValue<DeploymentRepository> getDeploymentRepositoryInjectedValue()

Returns deployment repository injected value.

Returns:

local transaction context injected value

getValue

public EJBSuspendHandlerService getValue()

Returns service value.

Specified by:

getValue in interface org.jboss.msc.value.Value<EJBSuspendHandlerService>

start

public void start(org.jboss.msc.service.StartContext context)

Starts the service. Registers server activity, sets transaction listener on local transaction context, and creates and installs deployment controller service.

Specified by:

start in interface org.jboss.msc.Service

Parameters:

context - start context

stop

public void stop(org.jboss.msc.service.StopContext context)

Stops the service. Unregisters service activity and clears transaction listener.

Specified by:

stop in interface org.jboss.msc.Service

Parameters:

context - stop context

preSuspend

public void preSuspend(org.jboss.as.server.suspend.ServerActivityCallback listener)

Pre suspend. Do nothing.

Specified by:

preSuspend in interface org.jboss.as.server.suspend.ServerActivity

Parameters:

listener - callback listener

suspended

public void suspended(org.jboss.as.server.suspend.ServerActivityCallback listener)

Notifies local transaction context that server is suspended, and only completes suspension if there are no active invocations nor transactions.

Specified by:

suspended in interface org.jboss.as.server.suspend.ServerActivity

Parameters:

listener - callback listener

resume

public void resume()

Notifies local transaction context that server is resumed, and restarts deployment controller.

Specified by:

resume in interface org.jboss.as.server.suspend.ServerActivity

acceptInvocation

public boolean acceptInvocation(org.jboss.invocation.InterceptorContext context)
                         throws SystemException

Indicates if a invocation should be accepted: which will happen only if server is not suspended, or if the invocation involves a still active transaction.

Parameters:

context - interceptor context

Returns:

true if invocation can be accepted by invoking interceptor

Throws:

SystemException

invocationComplete

public void invocationComplete()

Notifies handler that an active invocation is complete.

transactionCreated

public void transactionCreated(org.wildfly.transaction.client.AbstractTransaction transaction,
                               org.wildfly.transaction.client.CreationListener.CreatedBy createdBy)

Notifies handler that a new transaction has been created.

Specified by:

transactionCreated in interface org.wildfly.transaction.client.CreationListener

beforeCompletion

public void beforeCompletion()

Notifies handler that an active transaction is about to complete.

Specified by:

beforeCompletion in interface Synchronization

afterCompletion

public void afterCompletion(int status)

Notifies handler that an active transaction has completed.

Specified by:

afterCompletion in interface Synchronization

isSuspended

public boolean isSuspended()

Indicates if ejb subsystem is suspended.

Returns:

true if ejb susbsystem suspension is started (regardless of whether it completed or not)