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Java example source code file (PersistModule.java)

This example Java source code file (PersistModule.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractmodule, methodinterceptor, override, persistmodule

The PersistModule.java Java example source code

/**
 * Copyright (C) 2010 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.inject.persist;

import static com.google.inject.matcher.Matchers.annotatedWith;
import static com.google.inject.matcher.Matchers.any;

import com.google.inject.AbstractModule;

import org.aopalliance.intercept.MethodInterceptor;

/**
 * Install this module to add guice-persist library support for JPA persistence
 * providers.
 *
 * @author dhanji@gmail.com (Dhanji R. Prasanna)
 */
public abstract class PersistModule extends AbstractModule {

  @Override
  protected final void configure() {
    configurePersistence();

    requireBinding(PersistService.class);
    requireBinding(UnitOfWork.class);
    /*if[AOP]*/
    // wrapping in an if[AOP] just to allow this to compile in NO_AOP -- it won't be used
    
    // class-level @Transacational
    bindInterceptor(annotatedWith(Transactional.class), any(), getTransactionInterceptor());
    // method-level @Transacational
    bindInterceptor(any(), annotatedWith(Transactional.class), getTransactionInterceptor());
    /*end[AOP]*/
  }

  protected abstract void configurePersistence();

  protected abstract MethodInterceptor getTransactionInterceptor();
}

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