org.eiichiro.gig.appengine

Class AppEngineGlobalTransactionalInterceptor

java.lang.Object

org.eiichiro.gig.appengine.AppEngineGlobalTransactionalInterceptor

@GlobalTransactional
@Interceptor
public class AppEngineGlobalTransactionalInterceptor
extends Object

AppEngineGlobalTransactionalInterceptor is a Gig interceptor component to intercept transactional method (@GlobalTransactional annotated component method) and to control the transaction commitment of Acid House AppEngineStrongDatastoreSession.

Author:

Eiichiro Uchiumi

Constructor Summary

Constructors

Constructor and Description
AppEngineGlobalTransactionalInterceptor()

Method Summary

Methods

Modifier and Type	Method and Description
Object	transact(org.eiichiro.reverb.reflection.Invocation<?> invocation) Controls Acid House AppEngineStrongDatastoreSession's transaction commitment.

Methods inherited from class java.lang.Object

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

Constructor Detail

AppEngineGlobalTransactionalInterceptor

public AppEngineGlobalTransactionalInterceptor()

Method Detail

transact

@Around
public Object transact(org.eiichiro.reverb.reflection.Invocation<?> invocation)
                throws Throwable

Controls Acid House AppEngineStrongDatastoreSession's transaction commitment. First, this method begins a transaction on AppEngineStrongDatastoreSession. If the transactional method invocation is succeeded, this method commits the transaction. If the transactional method throws any exception, this method rolls back the transaction and re-throws the exception.

Parameters:

invocation - The encoded method invocation of transactional method.

Returns:

The invocation result.

Throws:

Throwable - If transactional method throws any exception.