Use generated API interface for Swagger(2)
[policy/api.git] / main / src / main / java / org / onap / policy / api / main / rest / ApiRestController.java
index 9b4d75d..d440e1c 100644 (file)
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2018 Samsung Electronics Co., Ltd. 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;
-
-import io.swagger.annotations.Api;
-import io.swagger.annotations.ApiOperation;
-import io.swagger.annotations.Info;
-import io.swagger.annotations.SwaggerDefinition;
-import io.swagger.annotations.Tag;
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import org.onap.policy.common.endpoints.report.HealthCheckReport;
-
-/**
- * Class to provide api REST services.
- *
- */
-@Path("/")
-@Api
-@Produces(MediaType.APPLICATION_JSON)
-@SwaggerDefinition(
-        info = @Info(description = "Policy Api Service", version = "v1.0", title = "Policy Api"),
-        consumes = { MediaType.APPLICATION_JSON }, produces = { MediaType.APPLICATION_JSON },
-        schemes = { SwaggerDefinition.Scheme.HTTP },
-        tags = { @Tag(name = "policy-api", description = "Policy Api Service Operations") })
-public class ApiRestController {
-
-    @GET
-    @Path("healthcheck")
-    @Produces(MediaType.APPLICATION_JSON)
-    @ApiOperation(value = "Perform a system healthcheck",
-            notes = "Provides healthy status of the Policy Api component", response = HealthCheckReport.class)
-    public Response healthcheck() {
-        return Response.status(Response.Status.OK).entity(new HealthCheckProvider().performHealthCheck()).build();
-    }
-}
+/*-\r
+ * ============LICENSE_START=======================================================\r
+ * ONAP Policy API\r
+ * ================================================================================\r
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd. All rights reserved.\r
+ * Modifications Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.\r
+ * Modifications Copyright (C) 2020-2022 Nordix Foundation.\r
+ * Modifications Copyright (C) 2020-2022 Bell Canada. All rights reserved.\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;\r
+\r
+import java.util.List;\r
+import java.util.UUID;\r
+import javax.ws.rs.core.Response.Status;\r
+import lombok.RequiredArgsConstructor;\r
+import org.onap.policy.api.main.exception.PolicyApiRuntimeException;\r
+import org.onap.policy.api.main.rest.genapi.PolicyDesignApi;\r
+import org.onap.policy.api.main.rest.provider.healthcheck.HealthCheckProvider;\r
+import org.onap.policy.api.main.rest.provider.statistics.ApiStatisticsManager;\r
+import org.onap.policy.api.main.rest.provider.statistics.StatisticsProvider;\r
+import org.onap.policy.api.main.rest.provider.statistics.StatisticsReport;\r
+import org.onap.policy.api.main.service.ToscaServiceTemplateService;\r
+import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;\r
+import org.onap.policy.common.endpoints.report.HealthCheckReport;\r
+import org.onap.policy.common.endpoints.utils.NetLoggerUtil;\r
+import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;\r
+import org.onap.policy.models.base.PfModelException;\r
+import org.onap.policy.models.base.PfModelRuntimeException;\r
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;\r
+import org.springframework.http.HttpMethod;\r
+import org.springframework.http.HttpStatus;\r
+import org.springframework.http.ResponseEntity;\r
+import org.springframework.web.bind.annotation.RestController;\r
+\r
+/**\r
+ * Class to provide REST API services.\r
+ *\r
+ * @author Chenfei Gao (cgao@research.att.com)\r
+ */\r
+@RestController\r
+@RequiredArgsConstructor\r
+public class ApiRestController extends CommonRestController implements PolicyDesignApi {\r
+\r
+    private enum Target {\r
+        POLICY,\r
+        POLICY_TYPE,\r
+        OTHER\r
+    }\r
+\r
+    private final ToscaServiceTemplateService toscaServiceTemplateService;\r
+    private final HealthCheckProvider healthCheckProvider;\r
+    private final ApiStatisticsManager mgr;\r
+    private final StatisticsProvider statisticsProvider;\r
+\r
+    /**\r
+     * Retrieves the healthcheck status of the API component.\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<HealthCheckReport> getHealthCheck(UUID requestId) {\r
+        final var report = healthCheckProvider.performHealthCheck();\r
+        updateApiStatisticsCounter(Target.OTHER, HttpStatus.resolve(report.getCode()), HttpMethod.GET);\r
+        return makeResponse(requestId, report, report.getCode());\r
+    }\r
+\r
+    /**\r
+     * Retrieves the statistics report of the API component.\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<StatisticsReport> getStatistics(UUID requestId) {\r
+        updateApiStatisticsCounter(Target.OTHER, HttpStatus.OK, HttpMethod.GET);\r
+        return makeOkResponse(requestId, statisticsProvider.fetchCurrentStatistics());\r
+    }\r
+\r
+    /**\r
+     * Retrieves all available policy types.\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getAllPolicyTypes(UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = toscaServiceTemplateService.fetchPolicyTypes(null, null);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            final var msg = "GET /policytypes";\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves all versions of a particular policy type.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getAllVersionsOfPolicyType(\r
+            String policyTypeId,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = toscaServiceTemplateService.fetchPolicyTypes(policyTypeId, null);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policytypes/%s", policyTypeId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves specified version of a particular policy type.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param versionId the version of specified policy type\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getSpecificVersionOfPolicyType(\r
+            String policyTypeId,\r
+            String versionId,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.fetchPolicyTypes(policyTypeId, versionId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policytypes/%s/versions/%s", policyTypeId, versionId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves latest version of a particular policy type.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getLatestVersionOfPolicyType(\r
+            String policyTypeId,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = toscaServiceTemplateService.fetchLatestPolicyTypes(policyTypeId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policytypes/%s/versions/latest", policyTypeId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Creates a new policy type.\r
+     *\r
+     * @param body the body of policy type following TOSCA definition\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> createPolicyType(\r
+            ToscaServiceTemplate body,\r
+            UUID requestId) {\r
+        if (NetLoggerUtil.getNetworkLogger().isInfoEnabled()) {\r
+            NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, "/policytypes", toJson(body));\r
+        }\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = toscaServiceTemplateService.createPolicyType(body);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.OK, HttpMethod.POST);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelRuntimeException pfme) {\r
+            final var msg = "POST /policytypes";\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.POST);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Deletes specified version of a particular policy type.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param versionId the version of specified policy type\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> deleteSpecificVersionOfPolicyType(\r
+            String policyTypeId,\r
+            String versionId,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.deletePolicyType(policyTypeId, versionId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.OK, HttpMethod.DELETE);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelRuntimeException pfme) {\r
+            var msg = String.format("DELETE /policytypes/%s/versions/%s", policyTypeId, versionId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.DELETE);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves all versions of a particular policy.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param policyTypeVersion the version of specified policy type\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getAllPolicies(\r
+            String policyTypeId,\r
+            String policyTypeVersion,\r
+            PolicyFetchMode mode,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.fetchPolicies(policyTypeId, policyTypeVersion, null, null, mode);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policytypes/%s/versions/%s/policies", policyTypeId, policyTypeVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves all versions of a particular policy.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param policyTypeVersion the version of specified policy type\r
+     * @param policyId the ID of specified policy\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getAllVersionsOfPolicy(\r
+            String policyId,\r
+            String policyTypeId,\r
+            String policyTypeVersion,\r
+            PolicyFetchMode mode,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.fetchPolicies(policyTypeId, policyTypeVersion, policyId, null, mode);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("/policytypes/%s/versions/%s/policies/%s",\r
+                policyTypeId, policyTypeVersion, policyId);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves the specified version of a particular policy.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param policyTypeVersion the version of specified policy type\r
+     * @param policyId the ID of specified policy\r
+     * @param policyVersion the version of specified policy\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getSpecificVersionOfPolicy(\r
+            String policyId,\r
+            String policyTypeId,\r
+            String policyTypeVersion,\r
+            String policyVersion,\r
+            PolicyFetchMode mode,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = toscaServiceTemplateService\r
+                .fetchPolicies(policyTypeId, policyTypeVersion, policyId, policyVersion, mode);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policytypes/%s/versions/%s/policies/%s/versions/%s",\r
+                policyTypeId, policyTypeVersion, policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves the latest version of a particular policy.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param policyTypeVersion the version of specified policy type\r
+     * @param policyId the ID of specified policy\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getLatestVersionOfPolicy(\r
+            String policyId,\r
+            String policyTypeId,\r
+            String policyTypeVersion,\r
+            PolicyFetchMode mode,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.fetchLatestPolicies(policyTypeId, policyTypeVersion, policyId, mode);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policytypes/%s/versions/%s/policies/%s/versions/latest",\r
+                policyTypeId, policyTypeVersion, policyId);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Creates a new policy for a particular policy type and version.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param policyTypeVersion the version of specified policy type\r
+     * @param body the body of policy following TOSCA definition\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> createPolicy(\r
+            String policyTypeId,\r
+            String policyTypeVersion,\r
+            ToscaServiceTemplate body,\r
+            UUID requestId) {\r
+        if (NetLoggerUtil.getNetworkLogger().isInfoEnabled()) {\r
+            NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST,\r
+                "/policytypes/" + policyTypeId + "/versions/" + policyTypeVersion + "/policies", toJson(body));\r
+        }\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.createPolicy(policyTypeId, policyTypeVersion, body);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.POST);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelRuntimeException pfme) {\r
+            var msg = String.format("POST /policytypes/%s/versions/%s/policies", policyTypeId, policyTypeVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.POST);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Deletes the specified version of a particular policy.\r
+     *\r
+     * @param policyTypeId the ID of specified policy type\r
+     * @param policyTypeVersion the version of specified policy type\r
+     * @param policyId the ID of specified policy\r
+     * @param policyVersion the version of specified policy\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> deleteSpecificVersionOfPolicy(\r
+        String policyTypeId,\r
+        String policyTypeVersion,\r
+        String policyId,\r
+        String policyVersion,\r
+        UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.deletePolicy(policyTypeId, policyTypeVersion, policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.DELETE);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelRuntimeException pfme) {\r
+            var msg = String.format("DELETE /policytypes/%s/versions/%s/policies/%s/versions/%s",\r
+                policyTypeId, policyTypeVersion, policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.DELETE);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves all the available policies.\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getPolicies(\r
+            PolicyFetchMode mode,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.fetchPolicies(null, null, null, null, mode);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            final var msg = "GET /policies/ --";\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            if (pfme.getErrorResponse().getResponseCode().equals(Status.NOT_FOUND)) {\r
+                pfme.getErrorResponse().setErrorMessage(ERROR_MESSAGE_NO_POLICIES_FOUND);\r
+                pfme.getErrorResponse().setErrorDetails(List.of(ERROR_MESSAGE_NO_POLICIES_FOUND));\r
+            }\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Retrieves the specified version of a particular policy.\r
+     *\r
+     * @param policyId the Name of specified policy\r
+     * @param policyVersion the version of specified policy\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> getSpecificPolicy(\r
+            String policyId,\r
+            String policyVersion,\r
+            PolicyFetchMode mode,\r
+            UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.fetchPolicies(null, null, policyId, policyVersion, mode);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.GET);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            var msg = String.format("GET /policies/%s/versions/%s", policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.GET);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Creates one or more new policies in one call.\r
+     *\r
+     * @param body the body of policy following TOSCA definition\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> createPolicies(\r
+        ToscaServiceTemplate body,\r
+        UUID requestId) {\r
+        if (NetLoggerUtil.getNetworkLogger().isInfoEnabled()) {\r
+            NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, "/policies", toJson(body));\r
+        }\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = toscaServiceTemplateService.createPolicies(body);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.POST);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelRuntimeException pfme) {\r
+            final var msg = "POST /policies";\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.POST);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * Deletes the specified version of a particular policy.\r
+     *\r
+     * @param policyId the ID of specified policy\r
+     * @param policyVersion the version of specified policy\r
+     *\r
+     * @return the Response object containing the results of the API operation\r
+     */\r
+    @Override\r
+    public ResponseEntity<ToscaServiceTemplate> deleteSpecificPolicy(\r
+        String policyId,\r
+        String policyVersion,\r
+        UUID requestId) {\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                toscaServiceTemplateService.deletePolicy(null, null, policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.OK, HttpMethod.DELETE);\r
+            return makeOkResponse(requestId, serviceTemplate);\r
+        } catch (PfModelRuntimeException pfme) {\r
+            var msg = String.format("DELETE /policies/%s/versions/%s", policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, HttpStatus.resolve(pfme.getErrorResponse().getResponseCode()\r
+                .getStatusCode()), HttpMethod.DELETE);\r
+            throw new PolicyApiRuntimeException(msg, pfme.getCause(), pfme.getErrorResponse(), requestId);\r
+        }\r
+    }\r
+\r
+    private void updateApiStatisticsCounter(Target target, HttpStatus result, HttpMethod http) {\r
+        mgr.updateTotalApiCallCount();\r
+        switch (target) {\r
+            case POLICY:\r
+                updatePolicyStats(result, http);\r
+                break;\r
+            case POLICY_TYPE:\r
+                updatePolicyTypeStats(result, http);\r
+                break;\r
+            default:\r
+                mgr.updateApiCallSuccessCount();\r
+                break;\r
+        }\r
+    }\r
+\r
+    private void updatePolicyStats(HttpStatus result, HttpMethod http) {\r
+        if (result.equals(HttpStatus.OK)) {\r
+            switch (http) {\r
+                case GET:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    mgr.updateTotalPolicyGetCount();\r
+                    mgr.updatePolicyGetSuccessCount();\r
+                    break;\r
+                case POST:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    mgr.updateTotalPolicyPostCount();\r
+                    mgr.updatePolicyPostSuccessCount();\r
+                    break;\r
+                case DELETE:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    mgr.updateTotalPolicyDeleteCount();\r
+                    mgr.updatePolicyDeleteSuccessCount();\r
+                    break;\r
+                default:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    break;\r
+            }\r
+        } else {\r
+            switch (http) {\r
+                case GET:\r
+                    mgr.updateApiCallFailureCount();\r
+                    mgr.updateTotalPolicyGetCount();\r
+                    mgr.updatePolicyGetFailureCount();\r
+                    break;\r
+                case POST:\r
+                    mgr.updateApiCallFailureCount();\r
+                    mgr.updateTotalPolicyPostCount();\r
+                    mgr.updatePolicyPostFailureCount();\r
+                    break;\r
+                case DELETE:\r
+                    mgr.updateApiCallFailureCount();\r
+                    mgr.updateTotalPolicyDeleteCount();\r
+                    mgr.updatePolicyDeleteFailureCount();\r
+                    break;\r
+                default:\r
+                    mgr.updateApiCallFailureCount();\r
+                    break;\r
+            }\r
+        }\r
+    }\r
+\r
+    private void updatePolicyTypeStats(HttpStatus result, HttpMethod http) {\r
+        if (result.equals(HttpStatus.OK)) {\r
+            switch (http) {\r
+                case GET:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    mgr.updateTotalPolicyTypeGetCount();\r
+                    mgr.updatePolicyTypeGetSuccessCount();\r
+                    break;\r
+                case POST:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    mgr.updateTotalPolicyTypePostCount();\r
+                    mgr.updatePolicyTypePostSuccessCount();\r
+                    break;\r
+                case DELETE:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    mgr.updateTotalPolicyTypeDeleteCount();\r
+                    mgr.updatePolicyTypeDeleteSuccessCount();\r
+                    break;\r
+                default:\r
+                    mgr.updateApiCallSuccessCount();\r
+                    break;\r
+            }\r
+        } else {\r
+            switch (http) {\r
+                case GET:\r
+                    mgr.updateApiCallFailureCount();\r
+                    mgr.updateTotalPolicyTypeGetCount();\r
+                    mgr.updatePolicyTypeGetFailureCount();\r
+                    break;\r
+                case POST:\r
+                    mgr.updateApiCallFailureCount();\r
+                    mgr.updateTotalPolicyTypePostCount();\r
+                    mgr.updatePolicyTypePostFailureCount();\r
+                    break;\r
+                case DELETE:\r
+                    mgr.updateApiCallFailureCount();\r
+                    mgr.updateTotalPolicyTypeDeleteCount();\r
+                    mgr.updatePolicyTypeDeleteFailureCount();\r
+                    break;\r
+                default:\r
+                    mgr.updateApiCallFailureCount();\r
+                    break;\r
+            }\r
+        }\r
+    }\r
+}\r