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    /**
018     * Used to configure a {@linkplain javax.persistence.spi.PersistenceUnitInfo}, which is used to
019     * create an {@linkplain javax.persistence.EntityManagerFactory}.
020     * 
021     * @since 5.3
022     */
023    public interface PersistenceUnitConfigurer
024    {
025        /**
026         * Configures a persistence unit.
027         * 
028         * @param unitInfo
029         *            represents a persistence unit to configure
030         */
031        void configure(TapestryPersistenceUnitInfo unitInfo);
032    }