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package org.glassfish.ejb.mdb;
import javax.ejb.*;
import javax.transaction.UserTransaction;
import java.util.logging.*;
import com.sun.logging.*;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.RoleReference;
import com.sun.ejb.EjbInvocation;
import com.sun.ejb.containers.BaseContainer;
import com.sun.ejb.containers.EjbContainerUtilImpl;
import com.sun.ejb.containers.EJBContextImpl;
import com.sun.ejb.containers.EJBObjectImpl;
import com.sun.ejb.containers.EJBTimerService;
import com.sun.ejb.containers.EJBTimerServiceWrapper;
import org.glassfish.api.invocation.ComponentInvocation;
/**
* Implementation of EJBContext for message-driven beans
*
* @author Kenneth Saks
*/
public final class MessageBeanContextImpl
extends EJBContextImpl
implements MessageDrivenContext
{
private boolean afterSetContext = false;
MessageBeanContextImpl(Object ejb, BaseContainer container)
{
super(ejb, container);
}
void setEJBStub(EJBObject ejbStub)
{
throw new RuntimeException("No stubs for Message-driven beans");
}
void setEJBObjectImpl(EJBObjectImpl ejbo)
{
throw new RuntimeException("No EJB Object for Message-driven beans");
}
//FIXME later
EJBObjectImpl getEJBObjectImpl() {
throw new RuntimeException("No EJB Object for Message-driven beans");
}
public void setContextCalled() {
this.afterSetContext = true;
}
/*****************************************************************
* The following are implementations of EJBContext methods.
******************************************************************/
/**
*
*/
public UserTransaction getUserTransaction()
throws java.lang.IllegalStateException
{
// The state check ensures that an exception is thrown if this
// was called from the constructor or setMessageDrivenContext.
// The remaining checks are performed by the container.
if ( !this.afterSetContext ) {
throw new java.lang.IllegalStateException("Operation not allowed");
}
return ((BaseContainer)getContainer()).getUserTransaction();
}
/*
* Doesn't make any sense to get EJBHome object for
* a message-driven ejb.
*/
public EJBHome getEJBHome()
{
RuntimeException exception = new java.lang.IllegalStateException
("getEJBHome not allowed for message-driven beans");
throw exception;
}
protected void checkAccessToCallerSecurity()
throws java.lang.IllegalStateException
{
// A message-driven ejb's state transitions past UNINITIALIZED
// AFTER ejbCreate
if ( !operationsAllowed() ) {
throw new java.lang.IllegalStateException("Operation not allowed");
}
}
public boolean isCallerInRole(String roleRef) {
if ( roleRef == null )
throw new IllegalStateException("Argument is null");
checkAccessToCallerSecurity();
ComponentInvocation inv =
EjbContainerUtilImpl.getInstance().getCurrentInvocation();
if ( inv instanceof EjbInvocation) {
EjbInvocation ejbInv = (EjbInvocation) inv;
if( ejbInv.isTimerCallback ) {
throw new IllegalStateException("isCallerInRole not allowed from timer callback");
}
} else {
throw new IllegalStateException("not invoked from within a message-bean context");
}
EjbDescriptor ejbd = container.getEjbDescriptor();
RoleReference rr = ejbd.getRoleReferenceByName(roleRef);
if ( rr == null ) {
throw new IllegalStateException(
"No mapping available for role reference " + roleRef);
}
com.sun.enterprise.security.SecurityManager sm = container.getSecurityManager();
return sm.isCallerInRole(roleRef);
}
public TimerService getTimerService()
throws java.lang.IllegalStateException {
if( !afterSetContext ) {
throw new java.lang.IllegalStateException("Operation not allowed");
}
EJBTimerService timerService = EJBTimerService.getValidEJBTimerService();
return new EJBTimerServiceWrapper(timerService, this);
}
public void checkTimerServiceMethodAccess()
throws java.lang.IllegalStateException {
// A message-driven ejb's state transitions past UNINITIALIZED
// AFTER ejbCreate
if ( !operationsAllowed() ) {
throw new java.lang.IllegalStateException
("EJB Timer Service method calls cannot be called in " +
" this context");
}
}
final boolean isInState(BeanState value) {
return getState() == value;
}
void setState(BeanState s) {
state = s;
}
void setInEjbRemove(boolean beingRemoved) {
inEjbRemove = beingRemoved;
}
boolean operationsAllowed() {
return !(isUnitialized() || inEjbRemove);
}
/**
* Returns true if this context has NOT progressed past its initial
* state.
*/
private boolean isUnitialized() {
return (state == EJBContextImpl.BeanState.CREATED);
}
}