/**
*
* 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.hbase.client;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
/**
* NonceGenerator interface.
* In general, nonce group is an ID (one per client, or region+client, or whatever) that
* could be used to reduce collision potential, or be used by compatible server nonce manager
* to optimize nonce storage and removal. See HBASE-3787.
*/
@InterfaceAudience.Private
public interface NonceGenerator {
/** @return the nonce group (client ID) of this client manager. */
public long getNonceGroup();
/** @return New nonce. */
public long newNonce();
}