    001// Copyright 2008, 2009, 2010 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007//     http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.internal.hibernate;
    016
    017import org.apache.tapestry5.hibernate.HibernateTransactionAdvisor;
    018import org.apache.tapestry5.hibernate.HibernateTransactionDecorator;
    019import org.apache.tapestry5.ioc.internal.util.InternalUtils;
    020import org.apache.tapestry5.ioc.services.AspectDecorator;
    021import org.apache.tapestry5.ioc.services.AspectInterceptorBuilder;
    022
    023public class HibernateTransactionDecoratorImpl implements HibernateTransactionDecorator
    024{
    025    private final AspectDecorator aspectDecorator;
    026
    027    private final HibernateTransactionAdvisor advisor;
    028
    029    public HibernateTransactionDecoratorImpl(AspectDecorator aspectDecorator, HibernateTransactionAdvisor advisor)
    030    {
    031        this.aspectDecorator = aspectDecorator;
    032        this.advisor = advisor;
    033    }
    034
    035    @Override
    036    public <T> T build(Class<T> serviceInterface, T delegate, String serviceId)
    037    {
    038        assert serviceInterface != null;
    039        assert delegate != null;
    040        assert InternalUtils.isNonBlank(serviceId);
    041        String description = String.format("<Hibernate Transaction interceptor for %s(%s)>",
    042                                           serviceId,
    043                                           serviceInterface.getName());
    044
    045        AspectInterceptorBuilder<T> builder = aspectDecorator.createBuilder(serviceInterface, delegate, description);
    046
    047        advisor.addTransactionCommitAdvice(builder);
    048
    049        return builder.build();
    050    }
    051}