jakarta.ejb.SessionContext Maven / Gradle / Ivy
/*
* Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.ejb;
/**
* The SessionContext interface provides access to the runtime session context
* that the container provides for a session bean instance. The
* container passes the SessionContext interface to an instance after the
* instance has been created. The session context remains associated with
* the instance for the lifetime of the instance.
*
* @since EJB 1.0
*/
public interface SessionContext extends EJBContext
{
/**
* Obtain a reference to the enterprise bean local object that is
* associated with the instance.
*
* An instance of a session bean can call this method at
* anytime between the PostConstruct or
* ejbCreate and PreDestroy or
* ejbRemove methods, including from within these
* methods.
*
*
An instance can use this method, for example, when it wants to
* pass a reference to itself in a method argument or result.
*
* @return The enterprise bean local object currently associated with the instance.
*
* @exception IllegalStateException Thrown if the instance invokes this
* method while the instance is in a state that does not allow the
* instance to invoke this method, or if the instance does not have
* a local interface.
*
* @since EJB 2.0
*/
EJBLocalObject getEJBLocalObject() throws IllegalStateException;
/**
* Obtain a reference to the enterprise bean object that is currently associated with
* the instance.
*
*
An instance of a session enterprise Bean can call this
* method at anytime between the PostConstruct or
* ejbCreate and the PreDestroy or
* ejbRemove methods, including from within these
* methods.
*
*
An instance can use this method, for example, when it wants to
* pass a reference to itself in a method argument or result.
*
* @return The enterprise bean object currently associated with the instance.
*
* @exception IllegalStateException Thrown if the instance invokes this
* method while the instance is in a state that does not allow the
* instance to invoke this method, or if the instance does not have
* a remote interface.
*/
EJBObject getEJBObject() throws IllegalStateException;
/**
* Obtain an object that can be used to invoke the current bean through
* a particular business interface view or its no-interface view.
*
* @param businessInterface One of the local business interfaces
* or remote business interfaces for this session bean.
* In addition, the bean class type can be used to acquire
* a reference to the bean's no-interface view.
*
* @return The business object corresponding to the given business
* interface or no-interface view.
*
* @exception IllegalStateException Thrown if invoked with a parameter
* that does not correspond to one of the beans' business interfaces
* or no-interface view.
*
* @since EJB 3.0
*/
T getBusinessObject(Class businessInterface) throws IllegalStateException;
/**
* Obtain the business interface or no-interface view type through which the
* current business method invocation was made.
*
* @exception IllegalStateException Thrown if this method is called
* and the bean has not been invoked through a business interface or
* no-interface view.
*
* @since EJB 3.0
*/
Class getInvokedBusinessInterface() throws IllegalStateException;
/**
* Check whether a client invoked the cancel method on the
* client Future object corresponding to the currently executing
* asynchronous business method.
*
* @return true if the client has invoked Future.cancel with a value of
* true for the mayInterruptIfRunning parameter.
*
* @exception IllegalStateException Thrown if not invoked from within an
* asynchronous business method invocation with return type
* Future<V>.
*
* @since EJB 3.1
*/
boolean wasCancelCalled() throws IllegalStateException;
}