/**
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.ha.provider.impl;
import com.google.common.collect.Lists;
import org.apache.hadoop.gateway.ha.provider.HaDescriptor;
import org.apache.hadoop.gateway.ha.provider.HaServiceConfig;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
public class DefaultHaDescriptor implements HaDescriptor {
private ConcurrentHashMap<String, HaServiceConfig> serviceConfigs;
public DefaultHaDescriptor() {
serviceConfigs = new ConcurrentHashMap<>();
}
@Override
public void addServiceConfig(HaServiceConfig serviceConfig) {
if (serviceConfig == null) {
throw new IllegalArgumentException("Service config must not be null");
}
serviceConfigs.put(serviceConfig.getServiceName(), serviceConfig);
}
@Override
public HaServiceConfig getServiceConfig(String serviceName) {
return serviceConfigs.get(serviceName);
}
@Override
public List<HaServiceConfig> getServiceConfigs() {
return Lists.newArrayList(serviceConfigs.values());
}
@Override
public List<String> getServiceNames() {
return Lists.newArrayList(serviceConfigs.keySet());
}
@Override
public List<String> getEnabledServiceNames() {
ArrayList<String> services = new ArrayList<String>(serviceConfigs.size());
Collection<HaServiceConfig> configs = serviceConfigs.values();
for (HaServiceConfig config : configs) {
if (config.isEnabled()) {
services.add(config.getServiceName());
}
}
return services;
}
}