| /* |
| * 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.cassandra.schema; |
| |
| import java.util.List; |
| |
| import org.apache.cassandra.db.marshal.AbstractType; |
| |
| public abstract class SchemaChangeListener |
| { |
| public void onCreateKeyspace(String keyspace) |
| { |
| } |
| |
| public void onCreateTable(String keyspace, String table) |
| { |
| } |
| |
| public void onCreateView(String keyspace, String view) |
| { |
| onCreateTable(keyspace, view); |
| } |
| |
| public void onCreateType(String keyspace, String type) |
| { |
| } |
| |
| public void onCreateFunction(String keyspace, String function, List<AbstractType<?>> argumentTypes) |
| { |
| } |
| |
| public void onCreateAggregate(String keyspace, String aggregate, List<AbstractType<?>> argumentTypes) |
| { |
| } |
| |
| public void onAlterKeyspace(String keyspace) |
| { |
| } |
| |
| // the boolean flag indicates whether the change that triggered this event may have a substantive |
| // impact on statements using the column family. |
| public void onAlterTable(String keyspace, String table, boolean affectsStatements) |
| { |
| } |
| |
| public void onAlterView(String keyspace, String view, boolean affectsStataments) |
| { |
| onAlterTable(keyspace, view, affectsStataments); |
| } |
| |
| public void onAlterType(String keyspace, String type) |
| { |
| } |
| |
| public void onAlterFunction(String keyspace, String function, List<AbstractType<?>> argumentTypes) |
| { |
| } |
| |
| public void onAlterAggregate(String keyspace, String aggregate, List<AbstractType<?>> argumentTypes) |
| { |
| } |
| |
| public void onDropKeyspace(String keyspace) |
| { |
| } |
| |
| public void onDropTable(String keyspace, String table) |
| { |
| } |
| |
| public void onDropView(String keyspace, String view) |
| { |
| onDropTable(keyspace, view); |
| } |
| |
| public void onDropType(String keyspace, String type) |
| { |
| } |
| |
| public void onDropFunction(String keyspace, String function, List<AbstractType<?>> argumentTypes) |
| { |
| } |
| |
| public void onDropAggregate(String keyspace, String aggregate, List<AbstractType<?>> argumentTypes) |
| { |
| } |
| } |