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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.model.cache.jobs;
import fj.data.Either;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.cache.DaoInfo;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.resources.data.ComponentMetadataData;
import org.openecomp.sdc.common.log.wrappers.Logger;
import java.util.function.Function;
/**
* Created by mlando on 9/7/2016.
*/
public class CheckAndUpdateJob extends Job {
private static final Logger log = Logger.getLogger(CheckAndUpdateJob.class.getName());
public CheckAndUpdateJob(DaoInfo daoInfo, String componentId, NodeTypeEnum nodeTypeEnum, long timestamp) {
super(daoInfo, componentId, nodeTypeEnum, timestamp);
}
@Override
public Object doWork() {
log.trace("starting work on job.");
log.trace("update cache for componentId:{} of nodeTypeEnum:{} with timestamp:{}.", componentId, nodeTypeEnum,
timestamp);
try {
// get from cache
Either<ImmutablePair<Component, Long>, ActionStatus> cacheResult = daoInfo.getComponentCache()
.getComponentAndTime(componentId, Function.identity());
// if error while getting from cache abort and update
if (cacheResult.isRight()) {
// genral error
if (!ActionStatus.RESOURCE_NOT_FOUND.equals(cacheResult.right().value())
&& !ActionStatus.INVALID_CONTENT.equals(cacheResult.right().value())) {
log.debug("failed to get component:{} from cache error:{}", componentId,
cacheResult.right().value());
return false;
}
// component not in cache put there
else {
return updateCache(componentId, nodeTypeEnum, timestamp);
}
}
ImmutablePair<Component, Long> recored = cacheResult.left().value();
// the cache has allready been updated exit
if (this.timestamp < recored.getRight()) {
log.debug("job timestemp:{} is smaller then the cache timestamp:{} no update is needed.",
this.timestamp, recored.getRight());
return false;
}
return updateCache(componentId, nodeTypeEnum, timestamp);
} catch (Exception e) {
log.debug("an exception was encountered during CheckAndUpdateJob", e);
} finally {
daoInfo.getToscaOperationFacade().commit();
}
return false;
}
/**
* @param componentId
* @param nodeTypeEnum
* @return
*/
private boolean updateCache(String componentId, NodeTypeEnum nodeTypeEnum, Long timestamp) {
// get component from cache
Either<ComponentMetadataData, StorageOperationStatus> metaDataRes = getComponentMetaData(componentId,
nodeTypeEnum);
if (metaDataRes.isRight()) {
return false;
}
ComponentMetadataData metaData = metaDataRes.left().value();
// the job time is older then the one on graph nothing to do there is a
// job that will handle this.
Long graphTimestamp = metaData.getMetadataDataDefinition().getLastUpdateDate();
if (timestamp < graphTimestamp) {
log.debug(
"the job timestamp:{} is smaller then the graph timestamp:{}. exiting because another job will update the cache.",
timestamp, graphTimestamp);
return false;
} else {
// update cache
// get component from grath
Either<Component, StorageOperationStatus> componentRes = daoInfo.getToscaOperationFacade().getToscaElement(componentId);
if (componentRes.isRight()) {
log.debug("failed to get full component:{} from graph status:{}", componentId,
componentRes.right().value());
return false;
}
Component component = componentRes.left().value();
// store in cache
if (!this.daoInfo.getComponentCache().setComponent(component, nodeTypeEnum)) {
log.debug("failed to store componentId:{} nodeTypeEnum:", componentId, nodeTypeEnum);
return false;
}
}
log.debug("cache successfully updated for componentId:{} nodeTypeEnum:{} timestemp:{}.", componentId,
nodeTypeEnum, timestamp);
return true;
}
}
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