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/*
* 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;
/**
* Keeps a list of reserved keys used by Hive listeners when updating the ListenerEvent
* parameters.
*/
public class MetaStoreEventListenerConstants {
/*
* DbNotificationListener keys reserved for updating ListenerEvent parameters.
*
* DB_NOTIFICATION_EVENT_ID_KEY_NAME This key will have the event identifier that DbNotificationListener
* processed during an event. This event identifier might be shared
* across other MetaStoreEventListener implementations.
*/
public static final String DB_NOTIFICATION_EVENT_ID_KEY_NAME = "DB_NOTIFICATION_EVENT_ID_KEY_NAME";
/*
* HiveMetaStore keys reserved for updating ListenerEvent parameters.
*
* HIVE_METASTORE_TRANSACTION_ACTIVE This key is used to check if a listener event is run inside a current
* transaction. A boolean value is used for active (true) or no active (false).
*/
public static final String HIVE_METASTORE_TRANSACTION_ACTIVE = "HIVE_METASTORE_TRANSACTION_ACTIVE";
}