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/*
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*
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*
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package com.sun.ejb.containers;
import javax.ejb.EJBObject;
import com.sun.ejb.Container;
import com.sun.ejb.EjbInvocation;
/**
*
* @author mvatkina
*/
public class EJBContainerStateManager {
Container container;
EJBContainerStateManager(Container c) {
container = c;
}
public boolean isNullEJBObject(EJBContextImpl context) {
return context.getEJBObjectImpl() == null;
}
public boolean isNullEJBLocalObject(EJBContextImpl context) {
return context.getEJBLocalObjectImpl() == null;
}
public boolean isRemovedEJBObject(EjbInvocation inv) {
return inv.ejbObject.isRemoved();
}
public boolean isRemovedEJBObject(EJBContextImpl context) {
return !isNullEJBObject(context) && context.getEJBObjectImpl().isRemoved();
}
public boolean isRemovedEJBLocalObject(EJBContextImpl context) {
return !isNullEJBLocalObject(context) && context.getEJBLocalObjectImpl().isRemoved();
}
/**
* Associate EJB Object with this invocation and this Context
* Note that some of the calls do not have Context assosiated with this
* invocation, so Context object is passed in separately
*/
public void attachObject(EjbInvocation inv, EJBContextImpl context,
EJBObjectImpl ejbObjImpl, EJBLocalObjectImpl localObjImpl) {
if ( ejbObjImpl != null && container.isRemoteObject() && (!inv.isLocal) ) {
// associate the context with the ejbObject
context.setEJBObjectImpl(ejbObjImpl);
context.setEJBStub((EJBObject)ejbObjImpl.getStub());
}
if ( localObjImpl != null && container.isLocalObject() ) {
// associate the context with the ejbLocalObject
context.setEJBLocalObjectImpl(localObjImpl);
}
if ( inv.isLocal && localObjImpl != null ) {
inv.ejbObject = localObjImpl;
} else if (ejbObjImpl != null) {
inv.ejbObject = ejbObjImpl;
}
}
/**
* Mark EJB Object associated with this Context as removed or not
*/
public void markObjectRemoved(EJBContextImpl context, boolean removed) {
if ( !isNullEJBObject(context) ) {
context.getEJBObjectImpl().setRemoved(removed);
}
if ( !isNullEJBLocalObject(context) ) {
context.getEJBLocalObjectImpl().setRemoved(removed);
}
}
/**
* Disconnect context from EJB(Local)Object so that
* context.getEJBObject() will throw exception.
*/
public void disconnectContext(EJBContextImpl context) {
if ( !isNullEJBObject(context) ) {
// reset flag in case EJBObject is used again
context.getEJBObjectImpl().setRemoved(false);
context.setEJBObjectImpl(null);
context.setEJBStub(null);
}
if ( !isNullEJBLocalObject(context) ) {
// reset flag in case EJBLocalObject is used again
context.getEJBLocalObjectImpl().setRemoved(false);
context.setEJBLocalObjectImpl(null);
}
}
/**
* Clear EJB Object references in the context
*/
public void clearContext(EJBContextImpl context) {
context.setEJBLocalObjectImpl(null);
context.setEJBObjectImpl(null);
context.setEJBStub(null);
}
}