--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.dependencymanager.impl;
+
+import org.onap.appc.dg.dependencymanager.DependencyManager;
+import org.onap.appc.dg.dependencymanager.DependencyType;
+import org.onap.appc.dg.dependencymanager.exception.DependencyModelNotFound;
+import org.onap.appc.dg.flowbuilder.exception.InvalidDependencyModel;
+import org.onap.appc.dg.objects.DependencyTypes;
+import org.onap.appc.dg.objects.VnfcDependencyModel;
+
+import org.onap.appc.cache.MetadataCache;
+import org.onap.appc.cache.impl.MetadataCacheFactory;
+import org.onap.appc.metadata.objects.DependencyModelIdentifier;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+public class DependencyManagerImpl implements DependencyManager {
+
+ private static final EELFLogger logger = EELFManager.getInstance().getLogger(DependencyManagerImpl.class);
+
+ MetadataCache<DependencyModelIdentifier,VnfcDependencyModel> cache;
+
+ DependencyManagerImpl(){
+ cache = MetadataCacheFactory.getInstance().getMetadataCache();
+ }
+
+ public VnfcDependencyModel getVnfcDependencyModel(DependencyModelIdentifier modelIdentifier,DependencyTypes dependencyType) throws InvalidDependencyModel, DependencyModelNotFound {
+ if (logger.isTraceEnabled()) {
+ logger.trace("Entering to getVnfcDependencyModel with DependencyModelIdentifier = "+ modelIdentifier
+ + " , DependencyTypes = " + dependencyType);
+ }
+ VnfcDependencyModel dependencyModel = cache.getObject(modelIdentifier);
+ if(dependencyModel == null){
+ logger.debug("Dependency model not found in cache, creating strategy for reading it");
+ DependencyType strategy = getStrategy(dependencyType);
+ dependencyModel = strategy.getVnfcDependencyModel(modelIdentifier);
+ }
+ if (logger.isTraceEnabled()) {
+ logger.trace("Returning getVnfcDependencyModel with dependency model = "+ dependencyModel);
+ }
+ return dependencyModel;
+ }
+
+ private DependencyType getStrategy(DependencyTypes dependencyType) {
+ switch (dependencyType){
+ case RESOURCE:
+ return new ResourceDependency();
+ }
+ return null;
+ }
+}