javax.ejb.SessionContext Maven / Gradle / Ivy
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package javax.ejb;
import java.util.*;
import java.security.Identity;
import javax.xml.rpc.handler.MessageContext;
/**
* The SessionContext interface provides access to the runtime session context
* that the container provides for a session enterprise 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.
*/
public interface SessionContext extends EJBContext
{
/**
* Obtain a reference to the EJB local object that is
* associated with the instance.
*
* An instance of a session enterprise Bean can call this method
* at anytime between the ejbCreate() and ejbRemove() methods, including
* from within the ejbCreate() and ejbRemove() 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 EJB 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.
*/
EJBLocalObject getEJBLocalObject() throws IllegalStateException;
/**
* Obtain a reference to the EJB object that is currently associated with
* the instance.
*
*
An instance of a session enterprise Bean can call this method
* at anytime between the ejbCreate() and ejbRemove() methods, including
* from within the ejbCreate() and ejbRemove() 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 EJB 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 a reference to the JAX-RPC MessageContext.
*
*
An instance of a stateless session bean can call this method
* from any business method invoked through its web service
* endpoint interface.
*
* @return The MessageContext for this web service invocation.
*
* @exception IllegalStateException Thrown if this method is invoked
* while the instance is in a state that does not allow access
* to this method.
*/
MessageContext getMessageContext() throws IllegalStateException;
/**
* Obtain an object that can be used to invoke the current bean through
* the given business interface.
*
* @param businessInterface One of the local business interfaces
* or remote business interfaces for this session bean.
*
* @return The business object corresponding to the given business
* interface.
*
* @exception IllegalStateException Thrown if this method is invoked
* with an invalid business interface for the current bean.
*/
T getBusinessObject(Class businessInterface) throws IllegalStateException;
/**
* Obtain the business interface 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.
*/
Class getInvokedBusinessInterface() throws IllegalStateException;
}