| /* |
| * 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.polygene.migration.operation; |
| |
| import java.util.Arrays; |
| import javax.json.JsonObject; |
| import org.apache.polygene.migration.Migrator; |
| import org.apache.polygene.migration.assembly.EntityMigrationOperation; |
| import org.apache.polygene.migration.assembly.MigrationContext; |
| import org.apache.polygene.spi.entitystore.helpers.StateStore; |
| |
| /** |
| * Add a many-association |
| */ |
| public class RemoveManyAssociation |
| implements EntityMigrationOperation |
| { |
| private String association; |
| private String[] defaultReferences; |
| |
| public RemoveManyAssociation( String association, String... defaultReferences ) |
| { |
| this.association = association; |
| this.defaultReferences = defaultReferences; |
| } |
| |
| @Override |
| public JsonObject upgrade( MigrationContext context, JsonObject state, StateStore stateStore, Migrator migrator ) |
| { |
| return migrator.removeManyAssociation( context, state, association ); |
| } |
| |
| @Override |
| public JsonObject downgrade( MigrationContext context, JsonObject state, StateStore stateStore, Migrator migrator ) |
| { |
| return migrator.addManyAssociation( context, state, association, defaultReferences ); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "Remove many-association " + association + ", default:" + Arrays.asList( defaultReferences ); |
| } |
| } |