/**
* 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.gateway.services.hostmap.impl;
import org.apache.hadoop.gateway.config.GatewayConfig;
import org.apache.hadoop.gateway.services.ServiceLifecycleException;
import org.apache.hadoop.gateway.services.hostmap.HostMapper;
import org.apache.hadoop.gateway.services.hostmap.HostMapperService;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
*
*
*/
public class DefaultHostMapperService implements HostMapperService {
private ConcurrentHashMap<String, HostMapper> map = new ConcurrentHashMap<String, HostMapper>();
/* (non-Javadoc)
* @see org.apache.hadoop.gateway.services.Service#init(org.apache.hadoop.gateway.config.GatewayConfig, java.util.Map)
*/
@Override
public void init( GatewayConfig config, Map<String, String> options ) throws ServiceLifecycleException {
}
/* (non-Javadoc)
* @see org.apache.hadoop.gateway.services.Service#start()
*/
@Override
public void start() throws ServiceLifecycleException {
}
/* (non-Javadoc)
* @see org.apache.hadoop.gateway.services.Service#stop()
*/
@Override
public void stop() throws ServiceLifecycleException {
}
/* (non-Javadoc)
* @see org.apache.hadoop.gateway.services.hostmap.HostMappingService#getHostMapper(java.lang.String)
*/
@Override
public HostMapper getHostMapper( String clusterName ) {
return map.get( clusterName );
}
/* (non-Javadoc)
* @see org.apache.hadoop.gateway.services.hostmap.HostMappingService#registerHostMapperForCluster(java.lang.String, org.apache.hadoop.gateway.services.hostmap.HostMapper)
*/
@Override
public void registerHostMapperForCluster( String clusterName, HostMapper hostMapper ) {
map.put( clusterName, hostMapper );
}
/* (non-Javadoc)
* @see org.apache.hadoop.gateway.services.hostmap.HostMappingService#removeHostMapperForCluster(java.lang.String)
*/
@Override
public void removeHostMapperForCluster( String clusterName ) {
map.remove( clusterName );
}
}