/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. ****************************************************************/ package org.apache.cayenne.dbsync.merge.context; /** * Represent a merge direction that can be either from the model to the db or from the db to the model. */ public enum MergeDirection { /** * TO_DB Token means that changes was made in object model and should be reflected at DB */ TO_DB("To DB"), /** * TO_MODEL Token represent database changes that should be allayed to object model */ TO_MODEL("To Model"); private String name; MergeDirection(String name) { this.name = name; } public String getName() { return name; } public boolean isToDb() { return (this == TO_DB); } public boolean isToModel() { return (this == TO_MODEL); } @Override public String toString() { return getName(); } public MergeDirection reverseDirection() { switch (this) { case TO_DB: return TO_MODEL; case TO_MODEL: return TO_DB; default: throw new IllegalStateException("Invalid direction: " + this); } } }