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Java Enterprise Edition (EE)

Ejb


Package javax.ejb

Contains the Enterprise JavaBeans classes and interfaces that define the contracts between the enterprise bean and its clients and between the enterprise bean and the EJB container.

See:
          Description

Interface Summary
EJBContext The EJBContext interface provides an instance with access to the container-provided runtime context of an enterprise Bean instance.
EJBHome The EJBHome interface must be extended by all enterprise Beans' remote home interfaces.
EJBLocalHome The EJBLocalHome interface must be extended by all enterprise Beans' local home interfaces.
EJBLocalObject The EJBLocalObject interface must be extended by all enterprise Beans' local interfaces.
EJBMetaData The EJBMetaData interface allows a client to obtain the enterprise Bean's meta-data information.
EJBObject The EJBObject interface is extended by all enterprise Beans' remote interfaces.
EnterpriseBean The EnterpriseBean interface must be implemented by every enterprise Bean class.
EntityBean The EntityBean interface is implemented by every entity enterprise Bean class.
EntityContext The EntityContext interface provides an instance with access to the container-provided runtime context of an entity enterprise Bean instance.
Handle The Handle interface is implemented by all EJB object handles.
HomeHandle The HomeHandle interface is implemented by all home object handles.
MessageDrivenBean The MessageDrivenBean interface is implemented by every message-driven enterprise Bean class.
MessageDrivenContext The MessageDrivenContext interface provides access to the runtime message-driven context that the container provides for a message-driven enterprise Bean instance.
SessionBean The SessionBean interface is implemented by every session enterprise Bean class.
SessionContext The SessionContext interface provides access to the runtime session context that the container provides for a session enterprise Bean instance.
SessionSynchronization The SessionSynchronization interface allows a session Bean instance to be notified by its container of transaction boundaries.
TimedObject The TimedObject interface contains the callback method that is used to deliver timer expiration notifications.
Timer The Timer interface contains information about a timer that was created through the EJB Timer Service.
TimerHandle The TimerHandle interface is implemented by all EJB timer handles.
TimerService The TimerService interface provides enterprise bean components with access to the container-provided Timer Service.
 

Class Summary
AsyncResult<V> Wraps the result of an asynchronous method call as a Future object, preserving compatability with the business interface signature.
ScheduleExpression A calendar-based timeout expression for an enterprise bean timer.
TimerConfig TimerConfig is used to specify additional timer configuration settings during timer creation.
 

Enum Summary
ConcurrencyManagementType Concurrency management type for a singleton or stateful session bean.
LockType Concurrency lock type for Singletons with container-managed concurrency.
TransactionAttributeType  
TransactionManagementType  
 

Exception Summary
AccessLocalException An AccessLocalException is thrown to indicate that the caller does not have permission to call the method.
ConcurrentAccessException A ConcurrentAccessException indicates that the client has attempted an invocation on a stateful session bean while another invocation is in progress.
ConcurrentAccessTimeoutException This exception indicates that an attempt to concurrently access a bean method resulted in a timeout.
CreateException The CreateException exception must be included in the throws clauses of all create methods defined in an enterprise Bean's home interface.
DuplicateKeyException The DuplicateKeyException exception is thrown if an entity EJB object cannot be created because an object with the same key already exists.
EJBAccessException This exception indicates that client access to a business method was denied.
EJBException The EJBException exception is thrown by an enterprise Bean instance to its container to report that the invoked business method or callback method could not be completed because of an unexpected error (e.g.
EJBTransactionRequiredException This exception indicates that a request carried a null transaction context, but the target object requires an active transaction.
EJBTransactionRolledbackException This exception indicates that the transaction associated with processing of the request has been rolled back, or marked to roll back.
FinderException The FinderException exception must be included in the throws clause of every findMETHOD(...) method of an entity Bean's home interface.
IllegalLoopbackException This exception indicates that an attempt was made to perform an illegal loopback invocation.
NoMoreTimeoutsException This exception indicates that a calendar-based timer will not result in any more timeouts.
NoSuchEJBException A NoSuchEJBException is thrown if an attempt is made to invoke a method on an object that no longer exists.
NoSuchEntityException The NoSuchEntityException exception is thrown by an Entity Bean instance to its container to report that the invoked business method or callback method could not be completed because of the underlying entity was removed from the database.
NoSuchObjectLocalException A NoSuchObjectLocalException is thrown if an attempt is made to invoke a method on an object that no longer exists.
ObjectNotFoundException The ObjectNotFoundException exception is thrown by a finder method to indicate that the specified EJB object does not exist.
RemoveException The RemoveException exception is thrown at an attempt to remove an EJB object when the enterprise Bean or the container does not allow the EJB object to be removed.
TransactionRequiredLocalException This exception indicates that a request carried a null transaction context, but the target object requires an active transaction.
TransactionRolledbackLocalException This exception indicates that the transaction associated with processing of the request has been rolled back, or marked to roll back.
 

Annotation Types Summary
AccessTimeout Specifies the amount of time in a given time unit that a concurrent access attempt should block before timing out.
ActivationConfigProperty  
AfterBegin Designate a stateful session bean method to receive the AfterBegin Session Synchronization callback.
AfterCompletion Designate a stateful session bean method to receive the AfterCompletion Session Synchronization callback.
ApplicationException Applied to an exception to denote that it is an application exception and should be reported to the client directly(i.e., unwrapped).
Asynchronous Used to mark a method as an asynchronous method or to designate all business methods of a class or interface as asynchronous.
BeforeCompletion Designate a stateful session bean method to receive the BeforeCompletion Session Synchronization callback.
ConcurrencyManagement Declares a Singleton or Stateful session bean's concurrency management type.
DependsOn Used to express an initialization dependency between Singleton components.
EJB Indicates a dependency on the local, no-interface, or remote view of an Enterprise Java Bean.
EJBs Declares multiple TYPE-level @EJB annotations.
Init Designates a method of a session bean that corresponds to the create method of an adapted Home interface or an adapted Local Home interface.
Local When used on the bean class, declares the local business interface(s) for a session bean.
LocalBean Designates that a session bean exposes a no-interface view.
LocalHome Declares the Local Home or adapted Local Home interface for a session bean.
Lock Declares a concurrency lock for a singleton method.
MessageDriven Component-defining annotation for a message driven bean.
PostActivate Designates a method to receive a callback after a stateful session bean has been activated.
PrePassivate Designates a method to receive a callback before a stateful session bean is passivated.
Remote Declares the remote business interface(s) for a session bean.
RemoteHome Declares the Remote Home interface or adapted Remote Home interface for a session bean.
Remove Applied to a business method of a stateful session bean class.
Schedule Schedule a timer for automatic creation with a timeout schedule based on a cron-like time expression.
Schedules Schedules multiple timers that use the same method as the timeout callback method.
Singleton Component-defining annotation for a singleton session bean.
Startup Mark a Singleton for eager loading during application initialization.
Stateful Component-defining annotation for a stateful session bean.
StatefulTimeout Specifies the amount of time a stateful session bean can be idle ( not receive any client invocations ) before it is eligible for removal by the container.
Stateless Component-defining annotation for a stateless session bean.
Timeout Designates a method on a stateless session bean class or message driven bean class that should receive EJB timer expirations for that bean.
TransactionAttribute When applied at the TYPE-level, designates the default transaction attribute for all business methods of the session or message driven bean.
TransactionManagement Declares whether a session bean or message driven bean has container managed transactions or bean managed transactions.
 

Package javax.ejb Description

Contains the Enterprise JavaBeans classes and interfaces that define the contracts between the enterprise bean and its clients and between the enterprise bean and the EJB container.



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