/**
* 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 org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.events.ConfigChangeEvent;
import java.util.concurrent.TimeUnit;
/**
* It handles the changed properties in the change event.
*/
public class SessionPropertiesListener extends MetaStoreEventListener {
public SessionPropertiesListener(Configuration configuration) {
super(configuration);
}
@Override
public void onConfigChange(ConfigChangeEvent changeEvent) throws MetaException {
if (changeEvent.getKey().equals(HiveConf.ConfVars.METASTORE_CLIENT_SOCKET_TIMEOUT.varname)) {
// TODO: this only applies to current thread, so it's not useful at all.
Deadline.resetTimeout(HiveConf.toTime(changeEvent.getNewValue(), TimeUnit.SECONDS,
TimeUnit.MILLISECONDS));
}
}
}