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/**
* Copyright 2016 2015-2016 ZTE, Inc. and others. All rights reserved.
*
* Licensed 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.openo.msb.wrapper.consul.cache;
import java.math.BigInteger;
import java.util.List;
import org.openo.msb.wrapper.consul.HealthClient;
import org.openo.msb.wrapper.consul.async.ConsulResponseCallback;
import org.openo.msb.wrapper.consul.model.health.ServiceHealth;
import com.google.common.base.Function;
public class HealthCache extends ConsulCache<String, ServiceHealth>{
private final String serviceName;
private HealthCache(Function<ServiceHealth, String> keyConversion,
ConsulCache.CallbackConsumer<ServiceHealth> callbackConsumer,String serviceName) {
super(keyConversion, callbackConsumer);
this.serviceName=serviceName;
// TODO Auto-generated constructor stub
}
public static HealthCache newCache(
final HealthClient healthClient,
final String serviceName,
final int watchSeconds){
Function<ServiceHealth,String> keyExtractor = new Function<ServiceHealth, String>() {
@Override
public String apply(ServiceHealth input) {
//return input.getKey().substring(rootPath.length() + 1);
return input.getService().getId();
}
};
final CallbackConsumer<ServiceHealth> callbackConsumer = new CallbackConsumer<ServiceHealth>() {
@Override
public void consume(BigInteger index, ConsulResponseCallback<List<ServiceHealth>> callback) {
healthClient.getHealthyServiceInstances(serviceName, watchParams(index, watchSeconds),callback);
}
};
return new HealthCache(keyExtractor, callbackConsumer,serviceName);
}
public String getServiceName(){
return this.serviceName;
}
}
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