package org.apache.torque.map;/* * Copyright 2001-2004 The Apache Software Foundation. * * 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. *//** * MapBuilders are wrappers around DatabaseMaps.  You use a MapBuilder * to populate a DatabaseMap.  You should implement this interface to create * your own MapBuilders.  The MapBuilder interface exists to support ease of * casting. * * @author <a href="mailto:jmcnally@collab.net">John D. McNally</a> * @version $Id: MapBuilder.java,v 1.7 2005/01/31 19:43:54 tfischer Exp $ */public interface MapBuilder{    /**     * Build up the database mapping.     *     * @exception Exception Couldn't build mapping.     */    void doBuild()        throws Exception;    /**     * Tells us if the database mapping is built so that we can avoid     * re-building it repeatedly.     *     * @return Whether the DatabaseMap is built.     */    boolean isBuilt();    /**     * Gets the database mapping this map builder built.     *     * @return A DatabaseMap.     */    DatabaseMap getDatabaseMap();}