1 files changed, 131 insertions, 0 deletions
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/jobs/CheckAndUpdateJob.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/jobs/CheckAndUpdateJob.java
new file mode 100644
index 0000000000..93249c914a
--- /dev/null
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/cache/jobs/CheckAndUpdateJob.java
@@ -0,0 +1,131 @@
+/*-
+ * ============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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.function.Function;
+
+/**
+ * Created by mlando on 9/7/2016.
+ */
+public class CheckAndUpdateJob extends Job {
+	private static Logger log = LoggerFactory.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.getResourceOperation().getTitanGenericDao().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 = getOperationByType(nodeTypeEnum)
+					.getComponent(componentId, true);
+			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;
+	}
+
+}