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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 org.apache.http.HttpEntity;
import org.onap.msb.apiroute.wrapper.consulextend.CatalogClient;
import org.onap.msb.apiroute.wrapper.consulextend.cache.ConsulCache.Listener;
import org.onap.msb.apiroute.wrapper.consulextend.cache.ServicesCatalogCache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbitz.consul.option.CatalogOptions;
import com.orbitz.consul.option.QueryOptions;
public class WatchCatalogServicesTask extends WatchTask<HttpEntity> {
private final static Logger LOGGER = LoggerFactory.getLogger(WatchCatalogServicesTask.class);
private ServicesCatalogCache servicesCache = null;
public WatchCatalogServicesTask(final CatalogClient catalogClient, final CatalogOptions catalogOptions,
final QueryOptions queryOptions, final int watchSeconds) {
initCache(catalogClient, catalogOptions, queryOptions, watchSeconds);
}
public WatchCatalogServicesTask(final CatalogClient catalogClient, final int watchSeconds) {
initCache(catalogClient, CatalogOptions.BLANK, QueryOptions.BLANK, watchSeconds);
}
public WatchCatalogServicesTask(final CatalogClient catalogClient) {
initCache(catalogClient, CatalogOptions.BLANK, QueryOptions.BLANK, 10);
}
private ServicesCatalogCache initCache(final CatalogClient catalogClient, final CatalogOptions catalogOptions,
final QueryOptions queryOptions, final int watchSeconds) {
LOGGER.info("************create all services watch task*****************");
servicesCache = ServicesCatalogCache.newCache(catalogClient, catalogOptions, queryOptions, watchSeconds);
servicesCache.addListener((Listener<HttpEntity>) new InternalListener());
return servicesCache;
}
@Override
public boolean startWatch() {
// TODO Auto-generated method stub
if (servicesCache != null) {
try {
servicesCache.start();
LOGGER.info("************start all services watch task*****************");
return true;
} catch (Exception e) {
// TODO Auto-generated catch block
LOGGER.warn("start service list watch failed:", e);
}
}
return false;
}
@Override
public boolean stopWatch() {
// TODO Auto-generated method stub
if (servicesCache != null) {
try {
servicesCache.stop();
LOGGER.info("************stop all services watch task*****************");
return true;
} catch (Exception e) {
// TODO Auto-generated catch block
LOGGER.warn("stop service list watch failed:", e);
}
}
return false;
}
}
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