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/*******************************************************************************
* Copyright 2016-2017 ZTE, Inc. and others.
*
* 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.onap.msb.apiroute.wrapper.consulextend.expose;
import java.util.ArrayList;
import java.util.List;
import org.onap.msb.apiroute.SyncDataManager;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.ImmutableService;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.ImmutableServiceHealth;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.Service;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.ServiceHealth;
import org.onap.msb.apiroute.wrapper.queue.QueueManager;
import org.onap.msb.apiroute.wrapper.queue.ServiceData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbitz.consul.model.ConsulResponse;
import com.orbitz.consul.model.health.ImmutableNode;
public class CheckServiceDataEmptyAndAutoStopWatchFilter implements
WatchTask.Filter<List<ServiceHealth>> {
private final static Logger LOGGER = LoggerFactory
.getLogger(CheckServiceDataEmptyAndAutoStopWatchFilter.class);
private final String serviceName;
public CheckServiceDataEmptyAndAutoStopWatchFilter(
final String serviceName) {
this.serviceName = serviceName;
}
@Override
public boolean filter(ConsulResponse<List<ServiceHealth>> object) {
// TODO Auto-generated method stub
boolean result = check(object);
if (!result) {
// create delete
writeServiceToQueue4Del();
// stop watch
SyncDataManager.stopWatchService(serviceName);
}
return result;
}
// when:
// 1)service had been deleted
// 2)service Health check was not passing
// single service return [],size==0
// stop this service watching task and create delete event
private boolean check(ConsulResponse<List<ServiceHealth>> object) {
boolean result = true;
if (object == null || object.getResponse() == null
|| object.getResponse().size() == 0) {
LOGGER.info("check service-{},its data is empty",
serviceName);
return false;
}
return result;
}
private void writeServiceToQueue4Del() {
ServiceData<List<ServiceHealth>> data = new ServiceData<List<ServiceHealth>>();
data.setDataType(ServiceData.DataType.service);
data.setOperate(ServiceData.Operate.delete);
// tell the subsequent operation the service name which will be deleted
Service service = ImmutableService.builder().id("").port(0).address("")
.service(serviceName).addTags("").createIndex(0).modifyIndex(0).build();
ServiceHealth serviceHealth = ImmutableServiceHealth.builder()
.service(service)
.node(ImmutableNode.builder().node("").address("").build())
.build();
List<ServiceHealth> serviceHealthList = new ArrayList<ServiceHealth>();
serviceHealthList.add(serviceHealth);
data.setData(serviceHealthList);
LOGGER.info("put delete service["
+ serviceName
+ "] to service queue :because of deleted ");
try {
QueueManager.getInstance().putIn(data);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
LOGGER.warn(
"put delete service["
+ serviceName
+ "] to service queue interrupted because of deleted:",
e);
}
}
}
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