/**
* 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.hdfs.qjournal.protocolPB;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.QJournalProtocolService;
import org.apache.hadoop.ipc.ProtocolInfo;
import org.apache.hadoop.security.KerberosInfo;
/**
* Protocol used to journal edits to a JournalNode participating
* in the quorum journal.
* Note: This extends the protocolbuffer service based interface to
* add annotations required for security.
*/
@KerberosInfo(
serverPrincipal = DFSConfigKeys.DFS_JOURNALNODE_USER_NAME_KEY,
clientPrincipal = DFSConfigKeys.DFS_NAMENODE_USER_NAME_KEY)
@ProtocolInfo(protocolName =
"org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocol",
protocolVersion = 1)
@InterfaceAudience.Private
public interface QJournalProtocolPB extends
QJournalProtocolService.BlockingInterface {
}