/**
* 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.hadoop.hive.metastore;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.events.AddIndexEvent;
import org.apache.hadoop.hive.metastore.events.AddPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterIndexEvent;
import org.apache.hadoop.hive.metastore.events.AlterPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterTableEvent;
import org.apache.hadoop.hive.metastore.events.ConfigChangeEvent;
import org.apache.hadoop.hive.metastore.events.CreateDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.CreateFunctionEvent;
import org.apache.hadoop.hive.metastore.events.CreateTableEvent;
import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.DropFunctionEvent;
import org.apache.hadoop.hive.metastore.events.DropIndexEvent;
import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
import org.apache.hadoop.hive.metastore.events.DropTableEvent;
import org.apache.hadoop.hive.metastore.events.ListenerEvent;
import org.apache.hadoop.hive.metastore.events.LoadPartitionDoneEvent;
/** A dummy implementation for
* {@link org.apache.hadoop.hive.metastore.MetaStoreEventListener}
* for testing purposes.
*/
public class DummyListener extends MetaStoreEventListener{
public static final List<ListenerEvent> notifyList = new ArrayList<ListenerEvent>();
/**
* @return The last event received, or null if no event was received.
*/
public static ListenerEvent getLastEvent() {
if (notifyList.isEmpty()) {
return null;
} else {
return notifyList.get(notifyList.size() - 1);
}
}
public DummyListener(Configuration config) {
super(config);
}
@Override
public void onConfigChange(ConfigChangeEvent configChange) {
addEvent(configChange);
}
@Override
public void onAddPartition(AddPartitionEvent partition) throws MetaException {
addEvent(partition);
}
@Override
public void onCreateDatabase(CreateDatabaseEvent db) throws MetaException {
addEvent(db);
}
@Override
public void onCreateTable(CreateTableEvent table) throws MetaException {
addEvent(table);
}
@Override
public void onDropDatabase(DropDatabaseEvent db) throws MetaException {
addEvent(db);
}
@Override
public void onDropPartition(DropPartitionEvent partition) throws MetaException {
addEvent(partition);
}
@Override
public void onDropTable(DropTableEvent table) throws MetaException {
addEvent(table);
}
@Override
public void onAlterTable(AlterTableEvent event) throws MetaException {
addEvent(event);
}
@Override
public void onAlterPartition(AlterPartitionEvent event) throws MetaException {
addEvent(event);
}
@Override
public void onLoadPartitionDone(LoadPartitionDoneEvent partEvent) throws MetaException {
addEvent(partEvent);
}
@Override
public void onAddIndex(AddIndexEvent indexEvent) throws MetaException {
addEvent(indexEvent);
}
@Override
public void onDropIndex(DropIndexEvent indexEvent) throws MetaException {
addEvent(indexEvent);
}
@Override
public void onAlterIndex(AlterIndexEvent indexEvent) throws MetaException {
addEvent(indexEvent);
}
@Override
public void onCreateFunction (CreateFunctionEvent fnEvent) throws MetaException {
addEvent(fnEvent);
}
@Override
public void onDropFunction (DropFunctionEvent fnEvent) throws MetaException {
addEvent(fnEvent);
}
private void addEvent(ListenerEvent event) {
notifyList.add(event);
}
}