    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
    015    package org.apache.tapestry5.internal.hibernate;
    016
    017    import org.apache.tapestry5.hibernate.HibernateTransactionAdvisor;
    018    import org.apache.tapestry5.hibernate.HibernateTransactionDecorator;
    019    import org.apache.tapestry5.ioc.internal.util.InternalUtils;
    020    import org.apache.tapestry5.ioc.services.AspectDecorator;
    021    import org.apache.tapestry5.ioc.services.AspectInterceptorBuilder;
    022
    023    public 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        public <T> T build(Class<T> serviceInterface, T delegate, String serviceId)
    036        {
    037            assert serviceInterface != null;
    038            assert delegate != null;
    039            assert InternalUtils.isNonBlank(serviceId);
    040            String description = String.format("<Hibernate Transaction interceptor for %s(%s)>",
    041                                               serviceId,
    042                                               serviceInterface.getName());
    043
    044            AspectInterceptorBuilder<T> builder = aspectDecorator.createBuilder(serviceInterface, delegate, description);
    045
    046            advisor.addTransactionCommitAdvice(builder);
    047
    048            return builder.build();
    049        }
    050    }