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TxInterceptorBMT (JBoss Server API) - JBoss 3.2.7 server API Documentation 英文版文档

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org.jboss.ejb.plugins
Class TxInterceptorBMT

java.lang.Object
  org.jboss.ejb.plugins.AbstractInterceptor
      org.jboss.ejb.plugins.AbstractTxInterceptor
          org.jboss.ejb.plugins.AbstractTxInterceptorBMT
              org.jboss.ejb.plugins.TxInterceptorBMT

All Implemented Interfaces:

ContainerPlugin, Interceptor, org.jboss.system.Service

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public class TxInterceptorBMT

extends org.jboss.ejb.plugins.AbstractTxInterceptorBMT

This interceptor handles transactions for session BMT beans.

Version:

$Revision: 1.22.2.1 $

Author:

Marc Fleury, Sebastien Alborini, Peter Antman., Anatoly Akkerman, Ole Husgaard

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Nested Class Summary
static class	AbstractTxInterceptorBMT.UserTxFactory

 

Field Summary
protected  boolean	stateless           If false, transactions may live across bean instance invocations, otherwise the bean instance should terminate any transaction before returning from the invocation.
protected  TransactionManager	tm           Local reference to the container's TransactionManager.

 

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

container, log, nextInterceptor

 

Constructor Summary

TxInterceptorBMT()

 

Method Summary
void	create()
Object	invoke(Invocation mi)           ???
Object	invokeHome(Invocation mi)           ???
protected  Object	invokeNext(Invocation mi)
protected  Object	invokeNext(Invocation invocation, boolean inheritedTx)           This method calls the next interceptor in the chain.
void	resetStatistic()
Map	retrieveStatistic()
void	sample(Object s)
void	stop()

 

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

destroy, getContainer, getNext, setContainer, setNext, start

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

stateless

protected boolean stateless

If false, transactions may live across bean instance invocations, otherwise the bean instance should terminate any transaction before returning from the invocation. This attribute defaults to true.

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tm

protected TransactionManager tm

Local reference to the container's TransactionManager.

Constructor Detail

TxInterceptorBMT

public TxInterceptorBMT()

Method Detail

create

public void create()
            throws Exception

Throws:

Exception

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invokeHome

public Object invokeHome(Invocation mi)
                  throws Exception

Description copied from interface: Interceptor

???

Specified by:

invokeHome in interface Interceptor

Overrides:

invokeHome in class AbstractInterceptor

Throws:

Exception

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invoke

public Object invoke(Invocation mi)
              throws Exception

Description copied from interface: Interceptor

???

Specified by:

invoke in interface Interceptor

Overrides:

invoke in class AbstractInterceptor

Throws:

Exception

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sample

public void sample(Object s)

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retrieveStatistic

public Map retrieveStatistic()

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resetStatistic

public void resetStatistic()

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stop

public void stop()

Specified by:

stop in interface org.jboss.system.Service

Overrides:

stop in class AbstractInterceptor

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invokeNext

protected Object invokeNext(Invocation mi)
                     throws Exception

Throws:

Exception

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invokeNext

protected Object invokeNext(Invocation invocation,
                            boolean inheritedTx)
                     throws Exception

This method calls the next interceptor in the chain. All Throwables are caught and divided into two groups: application exceptions and system exceptions. Application exception are simply rethrown. System exceptions result in the transaction being marked for rollback only. If the transaction was not started by the container (i.e., it was inherited from the client) the system exception is wrapped in a TransactionRolledBack[Local]Exception.

Parameters:

invocation - The Invocation of this call.

inheritedTx - If true the transaction has just been started in this interceptor.

Throws:

Excetion - if an exception occures in the interceptor chain. The actual exception throw is governed by the rules in the EJB 2.0 specification section 18.3

Exception

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