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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » server » org.jboss.ejb.plugins

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.jboss.ejb.plugins .AbstractInterceptor

org.jboss.ejb.plugins .EntityInstanceInterceptor

EntityInstanceInterceptor

public class EntityInstanceInterceptor extends AbstractInterceptor (Code)

The instance interceptors role is to acquire a context representing the target object from the cache.

This particular container interceptor implements pessimistic locking on the transaction that is associated with the retrieved instance. If there is a transaction associated with the target component and it is different from the transaction associated with the Invocation coming in then the policy is to wait for transactional commit.

We also implement serialization of calls in here (this is a spec requirement). This is a fine grained notify, notifyAll mechanism. We notify on ctx serialization locks and notifyAll on global transactional locks.

WARNING: critical code, get approval from senior developers before changing.
author:
   Marc Fleury
author:
   Scott Stark
author:
   Bill Burke
author:
   Jamie Burns
version:
   $Revision: 62278 $

Field Summary
protected EntityContainer	container
final protected static Method	ejbTimeout A reference to javax.ejb.TimedObject.ejbTimeout .

Method Summary
public Container	getContainer()
public Object	invoke(Invocation mi)
public Object	invokeHome(Invocation mi)
public void	setContainer(Container container)

Field Detail

container
protected EntityContainer container(Code)

ejbTimeout
final protected static Method ejbTimeout(Code)
	A reference to javax.ejb.TimedObject.ejbTimeout .

Method Detail

getContainer
public Container getContainer()(Code)

invoke
public Object invoke(Invocation mi) throws Exception(Code)

invokeHome
public Object invokeHome(Invocation mi) throws Exception(Code)

setContainer
public void setContainer(Container container)(Code)

Fields inherited from org.jboss.ejb.plugins.AbstractInterceptor

protected Container container(Code)(Java Doc)
protected Logger log(Code)(Java Doc)
protected Interceptor nextInterceptor(Code)(Java Doc)

Methods inherited from org.jboss.ejb.plugins.AbstractInterceptor

public void create() throws Exception(Code)(Java Doc)
public void destroy()(Code)(Java Doc)
public Container getContainer()(Code)(Java Doc)
public Interceptor getNext()(Code)(Java Doc)
public Object invoke(Invocation mi) throws Exception(Code)(Java Doc)
public Object invokeHome(Invocation mi) throws Exception(Code)(Java Doc)
public boolean isAppException(Invocation invocation, Throwable e)(Code)(Java Doc)
public void setContainer(Container container)(Code)(Java Doc)
public void setNext(Interceptor interceptor)(Code)(Java Doc)
public void start() throws Exception(Code)(Java Doc)
public void stop()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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