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package org.onap.msb.apiroute.wrapper.consulextend.expose;
import java.math.BigInteger;
import java.util.List;
import org.onap.msb.apiroute.wrapper.consulextend.HealthClient;
import org.onap.msb.apiroute.wrapper.consulextend.cache.ServiceHealthCache;
import org.onap.msb.apiroute.wrapper.consulextend.cache.ConsulCache.Listener;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.ServiceHealth;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbitz.consul.option.CatalogOptions;
import com.orbitz.consul.option.QueryOptions;
public class WatchServiceHealthTask extends WatchTask<List<ServiceHealth>> {
private final static Logger LOGGER = LoggerFactory
.getLogger(WatchServiceHealthTask.class);
private ServiceHealthCache serviceHealthCache = null;
private String serviceName="";
public String getServiceName() {
return serviceName;
}
public WatchServiceHealthTask(final HealthClient healthClient,
final String serviceName,final boolean passing,
final CatalogOptions catalogOptions, final int watchSeconds,
final QueryOptions queryOptions) {
initCache(healthClient, serviceName, passing, catalogOptions,
watchSeconds, queryOptions);
}
public WatchServiceHealthTask(final HealthClient healthClient,
final String serviceName,final boolean passing,
final int watchSeconds)
{
initCache(healthClient, serviceName, passing, CatalogOptions.BLANK,
watchSeconds, QueryOptions.BLANK);
}
public WatchServiceHealthTask(final HealthClient healthClient,
final String serviceName, final int watchSeconds)
{
initCache(healthClient, serviceName, true, CatalogOptions.BLANK,
watchSeconds, QueryOptions.BLANK);
}
private ServiceHealthCache initCache(final HealthClient healthClient,
final String serviceName,final boolean passing,
final CatalogOptions catalogOptions, final int watchSeconds,
final QueryOptions queryOptions) {
// LOGGER.info("************create {} watch task*****************",serviceName);
this.serviceName = serviceName;
serviceHealthCache = ServiceHealthCache.newCache(healthClient,
serviceName, passing, catalogOptions, watchSeconds,
queryOptions);
serviceHealthCache
.addListener((Listener<List<ServiceHealth>>) new InternalListener());
return serviceHealthCache;
}
public boolean startWatch() {
if(serviceHealthCache!=null)
{
try {
serviceHealthCache.start();
LOGGER.info("************start {} watch task*****************",serviceName);
return true;
} catch (Exception e) {
// TODO Auto-generated catch block
LOGGER.warn("start service watch failed:", e);
}
}
return false;
}
public boolean stopWatch(){
if (serviceHealthCache != null) {
try {
serviceHealthCache.stop();
LOGGER.info("************stop {} watch task*****************",serviceName);
return true;
} catch (Exception e) {
// TODO Auto-generated catch block
LOGGER.warn("stop service watch failed:", e);
}
}
return false;
}
public boolean resetIndex()
{
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("reset " + serviceName + " consul index");
}
//reset consul index
serviceHealthCache.updateIndex(BigInteger.valueOf(0));
//reset modify index
for (WatchTask.Filter<List<ServiceHealth>> filter : getAllFilters()) {
if (filter instanceof ServiceModifyIndexFilter) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("reset " + serviceName + " modify index");
}
return ((ServiceModifyIndexFilter) filter).resetModifyIndex();
}
}
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("reset modify index.did not find filter:" + serviceName);
}
return false;
}
}
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