/*
 * 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)
    {
    }
}