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diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/config/ContainerInstanceTypesData.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/config/ContainerInstanceTypesData.java
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+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsonjanusgraph/config/ContainerInstanceTypesData.java
@@ -0,0 +1,122 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.be.model.jsonjanusgraph.config;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
+import org.openecomp.sdc.be.config.ConfigurationManager;
+import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ContainerInstanceTypesData {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(ContainerInstanceTypesData.class);
+ private static final String WILDCARD = "*";
+
+ private final ConfigurationManager configurationManager;
+
+ public ContainerInstanceTypesData() {
+ this.configurationManager = ConfigurationManager.getConfigurationManager();
+ }
+
+ /**
+ * Checks if a resource instance type is allowed in a Service component.
+ *
+ * @param resourceTypeToCheck the resource instance type that will be added to the container component
+ * @return {@code true} if the resource instance is allowed, {@code false} otherwise
+ */
+ public boolean isAllowedForServiceComponent(final ResourceTypeEnum resourceTypeToCheck) {
+ final List<String> allowedResourceInstanceTypeList =
+ getComponentAllowedList(ComponentTypeEnum.SERVICE, null);
+ if (CollectionUtils.isEmpty(allowedResourceInstanceTypeList)) {
+ return false;
+ }
+ return allowedResourceInstanceTypeList.contains(resourceTypeToCheck.getValue());
+ }
+
+ /**
+ * Checks if a resource instance type is allowed for a resource component.
+ *
+ * @param containerComponentResourceType the container component type that the instance will be added
+ * @param resourceToCheck the resource instance type that will be added to the container component
+ * @return {@code true} if the resource instance is allowed in the container component, {@code false} otherwise
+ */
+ public boolean isAllowedForResourceComponent(final ResourceTypeEnum containerComponentResourceType,
+ final ResourceTypeEnum resourceToCheck) {
+ final List<String> allowedResourceInstanceTypeList =
+ getComponentAllowedList(ComponentTypeEnum.RESOURCE, containerComponentResourceType);
+ if (CollectionUtils.isEmpty(allowedResourceInstanceTypeList)) {
+ return false;
+ }
+ return allowedResourceInstanceTypeList.contains(resourceToCheck.getValue());
+ }
+
+ /**
+ * Gets the list of allowed component instances for a component type.
+ *
+ * @param componentType the component type
+ * @param resourceInstanceType the instance type to check, or null for any instance
+ * @return the list of allowed component instances for the given component
+ */
+ public List<String> getComponentAllowedList(final ComponentTypeEnum componentType,
+ final ResourceTypeEnum resourceInstanceType) {
+ final Map<String, List<String>> componentAllowedResourceTypeMap =
+ getComponentAllowedInstanceTypes().get(componentType.getValue());
+ if (MapUtils.isEmpty(componentAllowedResourceTypeMap)) {
+ final String resourceTypeString = resourceInstanceType == null ? WILDCARD : resourceInstanceType.getValue();
+ LOGGER.warn("No '{}' instance resource type configuration found for '{}'",
+ componentType.getValue(), resourceTypeString);
+ return Collections.emptyList();
+ }
+ return getAllowedInstanceType(resourceInstanceType, componentAllowedResourceTypeMap);
+ }
+
+ private Map<String, Map<String, List<String>>> getComponentAllowedInstanceTypes() {
+ return configurationManager.getConfiguration().getComponentAllowedInstanceTypes();
+ }
+
+ private List<String> getAllowedInstanceType(final ResourceTypeEnum resourceInstanceType,
+ final Map<String, List<String>> instanceAllowedResourceTypeMap) {
+ if (MapUtils.isEmpty(instanceAllowedResourceTypeMap)) {
+ return Collections.emptyList();
+ }
+ List<String> allowedInstanceResourceType = null;
+ if (resourceInstanceType == null) {
+ if (instanceAllowedResourceTypeMap.containsKey(WILDCARD)) {
+ allowedInstanceResourceType = instanceAllowedResourceTypeMap.get(WILDCARD);
+ }
+ } else {
+ allowedInstanceResourceType = instanceAllowedResourceTypeMap.get(resourceInstanceType.getValue());
+ }
+
+ if (CollectionUtils.isEmpty(allowedInstanceResourceType)) {
+ return Collections.emptyList();
+ }
+
+ return allowedInstanceResourceType;
+ }
+}