| /* |
| * 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.service; |
| |
| import java.util.List; |
| |
| import org.apache.cassandra.db.marshal.AbstractType; |
| |
| public abstract class MigrationListener |
| { |
| public void onCreateKeyspace(String ksName) |
| { |
| } |
| |
| public void onCreateColumnFamily(String ksName, String cfName) |
| { |
| } |
| |
| public void onCreateView(String ksName, String viewName) |
| { |
| onCreateColumnFamily(ksName, viewName); |
| } |
| |
| public void onCreateUserType(String ksName, String typeName) |
| { |
| } |
| |
| public void onCreateFunction(String ksName, String functionName, List<AbstractType<?>> argTypes) |
| { |
| } |
| |
| public void onCreateAggregate(String ksName, String aggregateName, List<AbstractType<?>> argTypes) |
| { |
| } |
| |
| public void onUpdateKeyspace(String ksName) |
| { |
| } |
| |
| // the boolean flag indicates whether the change that triggered this event may have a substantive |
| // impact on statements using the column family. |
| public void onUpdateColumnFamily(String ksName, String cfName, boolean affectsStatements) |
| { |
| } |
| |
| public void onUpdateView(String ksName, String viewName, boolean columnsDidChange) |
| { |
| onUpdateColumnFamily(ksName, viewName, columnsDidChange); |
| } |
| |
| public void onUpdateUserType(String ksName, String typeName) |
| { |
| } |
| |
| public void onUpdateFunction(String ksName, String functionName, List<AbstractType<?>> argTypes) |
| { |
| } |
| |
| public void onUpdateAggregate(String ksName, String aggregateName, List<AbstractType<?>> argTypes) |
| { |
| } |
| |
| public void onDropKeyspace(String ksName) |
| { |
| } |
| |
| public void onDropColumnFamily(String ksName, String cfName) |
| { |
| } |
| |
| public void onDropView(String ksName, String viewName) |
| { |
| onDropColumnFamily(ksName, viewName); |
| } |
| |
| public void onDropUserType(String ksName, String typeName) |
| { |
| } |
| |
| public void onDropFunction(String ksName, String functionName, List<AbstractType<?>> argTypes) |
| { |
| } |
| |
| public void onDropAggregate(String ksName, String aggregateName, List<AbstractType<?>> argTypes) |
| { |
| } |
| } |