001    // Copyright 2011 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.jpa;
016    
017    import org.apache.tapestry5.ioc.MethodAdviceReceiver;
018    
019    /**
020     * Service that can create an interceptor that wraps around a service implementation. After invoking
021     * service methods
022     * marked by {@link org.apache.tapestry5.jpa.annotations.CommitAfter} the current transaction is committed.
023     * Declared exceptions will also {@linkplain javax.persistence.EntityTransaction#commit() commit the
024     * transaction}; runtime exceptions will {@linkplain javax.persistence.EntityTransaction#rollback()
025     * roll back the transaction}.
026     * 
027     * @since 5.3
028     */
029    public interface JpaTransactionAdvisor
030    {
031        /**
032         * Identifies any methods with the {@link org.apache.tapestry5.jpa.annotations.CommitAfter} annotation and
033         * applies the transaction logic to those methods.
034         * 
035         * @param receiver
036         *            advice receiver
037         */
038        void addTransactionCommitAdvice(MethodAdviceReceiver receiver);
039    }