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Server functionality for HBase
/*
* 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.rsgroup;
import java.io.IOException;
import java.util.Collections;
import org.apache.hadoop.hbase.CoprocessorEnvironment;
import org.apache.hadoop.hbase.coprocessor.CoreCoprocessor;
import org.apache.hadoop.hbase.coprocessor.HasMasterServices;
import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;
import org.apache.hadoop.hbase.master.MasterServices;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hbase.thirdparty.com.google.protobuf.Service;
/**
* @deprecated Keep it here only for compatibility with old client, all the logics have been moved
* into core of HBase.
*/
@Deprecated
@CoreCoprocessor
@InterfaceAudience.Private
public class RSGroupAdminEndpoint implements MasterCoprocessor {
// Only instance of RSGroupInfoManager. RSGroup aware load balancers ask for this instance on
// their setup.
private MasterServices master;
private RSGroupAdminServiceImpl groupAdminService = new RSGroupAdminServiceImpl();
@Override
public void start(CoprocessorEnvironment env) throws IOException {
if (!(env instanceof HasMasterServices)) {
throw new IOException("Does not implement HMasterServices");
}
master = ((HasMasterServices) env).getMasterServices();
groupAdminService.initialize(master);
}
@Override
public Iterable getServices() {
return Collections.singleton(groupAdminService);
}
RSGroupInfoManager getGroupInfoManager() {
return master.getRSGroupInfoManager();
}
}