/* * Copyright (C) 2012-2015 DataStax Inc. * * Licensed 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 com.datastax.driver.core; /** * Base implementation for {@link SchemaChangeListener}. */ public abstract class SchemaChangeListenerBase implements SchemaChangeListener { @Override public void onKeyspaceAdded(KeyspaceMetadata keyspace) { } @Override public void onKeyspaceRemoved(KeyspaceMetadata keyspace) { } @Override public void onKeyspaceChanged(KeyspaceMetadata current, KeyspaceMetadata previous) { } @Override public void onTableAdded(TableMetadata table) { } @Override public void onTableRemoved(TableMetadata table) { } @Override public void onTableChanged(TableMetadata current, TableMetadata previous) { } @Override public void onUserTypeAdded(UserType type) { } @Override public void onUserTypeRemoved(UserType type) { } @Override public void onUserTypeChanged(UserType current, UserType previous) { } @Override public void onFunctionAdded(FunctionMetadata function) { } @Override public void onFunctionRemoved(FunctionMetadata function) { } @Override public void onFunctionChanged(FunctionMetadata current, FunctionMetadata previous) { } @Override public void onAggregateAdded(AggregateMetadata aggregate) { } @Override public void onAggregateRemoved(AggregateMetadata aggregate) { } @Override public void onAggregateChanged(AggregateMetadata current, AggregateMetadata previous) { } @Override public void onMaterializedViewAdded(MaterializedViewMetadata view) { } @Override public void onMaterializedViewRemoved(MaterializedViewMetadata view) { } @Override public void onMaterializedViewChanged(MaterializedViewMetadata current, MaterializedViewMetadata previous) { } @Override public void onRegister(Cluster cluster) { } @Override public void onUnregister(Cluster cluster) { } }