-/*-
- * ============LICENSE_START=======================================================
- * ONAP Policy API
- * ================================================================================
- * Copyright (C) 2019 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.api.main.rest.provider;
-
-import org.onap.policy.models.tosca.ToscaPolicy;
-import org.onap.policy.models.tosca.ToscaPolicyList;
-
-/**
- * Class to provide all kinds of policy operations.
- */
-public class PolicyProvider {
-
- private static final String POST_OK = "Successfully created";
- private static final String DELETE_OK = "Successfully deleted";
-
- /**
- * Retrieves a list of policies matching specified ID and version of both policy type and policy.
- *
- * @param policyTypeId the ID of policy type
- * @param policyTypeVersion the version of policy type
- * @param policyId the ID of policy
- * @param policyVersion the version of policy
- *
- * @return the ToscaPolicyList object containing a list of policies matching specified fields
- */
- public ToscaPolicyList fetchPolicies(String policyTypeId, String policyTypeVersion,
- String policyId, String policyVersion) {
- // placeholder
- return new ToscaPolicyList();
- }
-
- /**
- * Creates a new policy for a policy type ID and version.
- *
- * @param policyTypeId the ID of policy type
- * @param policyTypeVersion the version of policy type
- * @param body the entity body of policy
- *
- * @return a string message indicating the operation results
- */
- public String createPolicy(String policyTypeId, String policyTypeVersion, ToscaPolicy body) {
- // placeholder
- return POST_OK;
- }
-
- /**
- * Deletes the policies matching specified ID and version of both policy type and policy.
- *
- * @param policyTypeId the ID of policy type
- * @param policyTypeVersion the version of policy type
- * @param policyId the ID of policy
- * @param policyVersion the version of policy
- *
- * @return a string message indicating the operation results
- */
- public String deletePolicies(String policyTypeId, String policyTypeVersion,
- String policyId, String policyVersion) {
- // placeholder
- return DELETE_OK;
- }
-}
+/*-\r
+ * ============LICENSE_START=======================================================\r
+ * ONAP Policy API\r
+ * ================================================================================\r
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.\r
+ * Modifications Copyright (C) 2020 Nordix Foundation.\r
+ * ================================================================================\r
+ * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * you may not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ *\r
+ * SPDX-License-Identifier: Apache-2.0\r
+ * ============LICENSE_END=========================================================\r
+ */\r
+\r
+package org.onap.policy.api.main.rest.provider;\r
+\r
+import org.onap.policy.models.base.PfModelException;\r
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyFilter;\r
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;\r
+\r
+/**\r
+ * Class to provide all kinds of policy operations.\r
+ *\r
+ * @author Chenfei Gao (cgao@research.att.com)\r
+ */\r
+public class PolicyProvider extends CommonModelProvider {\r
+\r
+ /**\r
+ * Default constructor.\r
+ */\r
+ public PolicyProvider() throws PfModelException {\r
+ super();\r
+ }\r
+\r
+ /**\r
+ * Retrieves a list of policies matching specified ID and version of both policy type and policy.\r
+ *\r
+ * @param policyTypeId the ID of policy type\r
+ * @param policyTypeVersion the version of policy type\r
+ * @param policyId the ID of policy\r
+ * @param policyVersion the version of policy\r
+ *\r
+ * @return the ToscaServiceTemplate object\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public ToscaServiceTemplate fetchPolicies(String policyTypeId, String policyTypeVersion, String policyId,\r
+ String policyVersion) throws PfModelException {\r
+\r
+ return getFilteredPolicies(policyTypeId, policyTypeVersion, policyId, policyVersion);\r
+ }\r
+\r
+ /**\r
+ * Retrieves a list of policies with the latest versions that match specified policy type id and version.\r
+ *\r
+ * @param policyTypeId the ID of policy type\r
+ * @param policyTypeVersion the version of policy type\r
+ * @param policyId the ID of the policy\r
+ *\r
+ * @return the ToscaServiceTemplate object\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public ToscaServiceTemplate fetchLatestPolicies(String policyTypeId, String policyTypeVersion, String policyId)\r
+ throws PfModelException {\r
+\r
+ return getFilteredPolicies(policyTypeId, policyTypeVersion, policyId, ToscaPolicyFilter.LATEST_VERSION);\r
+ }\r
+\r
+ /**\r
+ * Creates one or more new policies for the same policy type ID and version.\r
+ *\r
+ * @param policyTypeId the ID of policy type\r
+ * @param policyTypeVersion the version of policy type\r
+ * @param body the entity body of polic(ies)\r
+ *\r
+ * @return the ToscaServiceTemplate object\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public ToscaServiceTemplate createPolicy(String policyTypeId, String policyTypeVersion, ToscaServiceTemplate body)\r
+ throws PfModelException {\r
+\r
+ return modelsProvider.createPolicies(body);\r
+ }\r
+\r
+ /**\r
+ * Creates one or more new policies.\r
+ *\r
+ * @param body the entity body of policy\r
+ *\r
+ * @return the ToscaServiceTemplate object\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public ToscaServiceTemplate createPolicies(ToscaServiceTemplate body) throws PfModelException {\r
+ return modelsProvider.createPolicies(body);\r
+ }\r
+\r
+ /**\r
+ * Deletes the policy matching specified ID and version of both policy type and policy.\r
+ *\r
+ * @param policyTypeId the ID of policy type\r
+ * @param policyTypeVersion the version of policy type\r
+ * @param policyId the ID of policy\r
+ * @param policyVersion the version of policy\r
+ *\r
+ * @return the ToscaServiceTemplate object\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public ToscaServiceTemplate deletePolicy(String policyTypeId, String policyTypeVersion, String policyId,\r
+ String policyVersion) throws PfModelException {\r
+\r
+ return modelsProvider.deletePolicy(policyId, policyVersion);\r
+ }\r
+\r
+ /**\r
+ * Retrieves the specified version of the policy.\r
+ *\r
+ * @param policyTypeName the name of the policy type\r
+ * @param policyTypeVersion the version of the policy type\r
+ * @param policyName the name of the policy\r
+ * @param policyVersion the version of the policy\r
+ *\r
+ * @return the TOSCA service template containing the specified version of the policy\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ private ToscaServiceTemplate getFilteredPolicies(String policyTypeName, String policyTypeVersion, String policyName,\r
+ String policyVersion) throws PfModelException {\r
+\r
+ ToscaPolicyFilter policyFilter = ToscaPolicyFilter.builder().name(policyName).version(policyVersion)\r
+ .type(policyTypeName).typeVersion(policyTypeVersion).build();\r
+ return modelsProvider.getFilteredPolicies(policyFilter);\r
+ }\r
+}\r