Implement policy provider functions
[policy/api.git] / main / src / main / java / org / onap / policy / api / main / rest / ApiRestController.java
index 0f68882..500c5a8 100644 (file)
@@ -36,6 +36,8 @@ import io.swagger.annotations.Info;
 import io.swagger.annotations.ResponseHeader;\r
 import io.swagger.annotations.SecurityDefinition;\r
 import io.swagger.annotations.SwaggerDefinition;\r
+import java.util.List;\r
+import java.util.Map;\r
 import java.util.UUID;\r
 import javax.ws.rs.Consumes;\r
 import javax.ws.rs.DELETE;\r
@@ -45,15 +47,18 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;\r
 import javax.ws.rs.PathParam;\r
 import javax.ws.rs.Produces;\r
-import javax.ws.rs.QueryParam;\r
 import javax.ws.rs.core.Response;\r
 import javax.ws.rs.core.Response.ResponseBuilder;\r
+import org.apache.commons.lang3.tuple.Pair;\r
 import org.onap.policy.api.main.rest.provider.HealthCheckProvider;\r
 import org.onap.policy.api.main.rest.provider.PolicyProvider;\r
 import org.onap.policy.api.main.rest.provider.PolicyTypeProvider;\r
 import org.onap.policy.api.main.rest.provider.StatisticsProvider;\r
 import org.onap.policy.common.endpoints.report.HealthCheckReport;\r
-import org.onap.policy.models.tosca.simple.concepts.ToscaServiceTemplate;\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.ToscaPolicy;\r
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;\r
 \r
 /**\r
  * Class to provide REST API services.\r
@@ -126,6 +131,8 @@ public class ApiRestController {
         })\r
     public Response getHealthCheck(\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
+\r
+        updateApiStatisticsCounter(Target.OTHER, Result.SUCCESS, HttpMethod.GET);\r
         return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
             .entity(new HealthCheckProvider().performHealthCheck()).build();\r
     }\r
@@ -172,6 +179,8 @@ public class ApiRestController {
         })\r
     public Response getStatistics(\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
+\r
+        updateApiStatisticsCounter(Target.OTHER, Result.SUCCESS, HttpMethod.GET);\r
         return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
             .entity(new StatisticsProvider().fetchCurrentStatistics()).build();\r
     }\r
@@ -218,8 +227,18 @@ public class ApiRestController {
         })\r
     public Response getAllPolicyTypes(\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyTypeProvider().fetchPolicyTypes(null, null)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyTypeProvider().fetchPolicyTypes(null, null);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -268,8 +287,19 @@ public class ApiRestController {
     public Response getAllVersionsOfPolicyType(\r
             @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyTypeProvider().fetchPolicyTypes(policyTypeId, null)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyTypeProvider()\r
+                    .fetchPolicyTypes(policyTypeId, null);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -320,8 +350,19 @@ public class ApiRestController {
             @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
             @PathParam("versionId") @ApiParam(value = "Version of policy type", required = true) String versionId,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyTypeProvider().fetchPolicyTypes(policyTypeId, versionId)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyTypeProvider()\r
+                    .fetchPolicyTypes(policyTypeId, versionId);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -370,33 +411,37 @@ public class ApiRestController {
     public Response createPolicyType(\r
             @ApiParam(value = "Entity body of policy type", required = true) ToscaServiceTemplate body,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyTypeProvider().createPolicyType(body)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyTypeProvider().createPolicyType(body);\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.SUCCESS, HttpMethod.POST);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY_TYPE, Result.FAILURE, HttpMethod.POST);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
-     * Deletes all versions of a particular policy type.\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
     @DELETE\r
-    @Path("/policytypes/{policyTypeId}")\r
-    @ApiOperation(value = "Delete all versions of a policy type",\r
+    @Path("/policytypes/{policyTypeId}/versions/{versionId}")\r
+    @ApiOperation(value = "Delete one version of a policy type",\r
             notes = "Rule 1: pre-defined policy types cannot be deleted;"\r
                   + "Rule 2: policy types that are in use (parameterized by a TOSCA policy) cannot be deleted."\r
                   + "The parameterizing TOSCA policies must be deleted first;",\r
             authorizations = @Authorization(value = "basicAuth"),\r
             tags = { "PolicyType", },\r
-            extensions = {\r
-                    @Extension(name = "interface info", properties = {\r
-                            @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
-                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")\r
-                    })\r
-            })\r
-    @ApiResponses(value = {\r
-            @ApiResponse(code = 204, message = "Resources successfully deleted, no content returned",\r
+            response = ToscaServiceTemplate.class,\r
             responseHeaders = {\r
                     @ResponseHeader(name = "X-MinorVersion",\r
                                     description = "Used to request or communicate a MINOR version back from the client"\r
@@ -413,36 +458,7 @@ public class ApiRestController {
                     @ResponseHeader(name = "X-ONAP-RequestID",\r
                                     description = "Used to track REST transactions for logging purpose",\r
                                     response = UUID.class)\r
-            }),\r
-            @ApiResponse(code = 401, message = "Authentication Error"),\r
-            @ApiResponse(code = 403, message = "Authorization Error"),\r
-            @ApiResponse(code = 404, message = "Resource Not Found"),\r
-            @ApiResponse(code = 409, message = "Delete Conflict, Rule Violation"),\r
-            @ApiResponse(code = 500, message = "Internal Server Error")\r
-        })\r
-    public Response deleteAllVersionsOfPolicyType(\r
-            @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
-            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyTypeProvider().deletePolicyTypes(policyTypeId, null)).build();\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
-    @DELETE\r
-    @Path("/policytypes/{policyTypeId}/versions/{versionId}")\r
-    @ApiOperation(value = "Delete one version of a policy type",\r
-            notes = "Rule 1: pre-defined policy types cannot be deleted;"\r
-                  + "Rule 2: policy types that are in use (parameterized by a TOSCA policy) cannot be deleted."\r
-                  + "The parameterizing TOSCA policies must be deleted first;",\r
-            authorizations = @Authorization(value = "basicAuth"),\r
-            tags = { "PolicyType", },\r
+            },\r
             extensions = {\r
                     @Extension(name = "interface info", properties = {\r
                             @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
@@ -450,24 +466,6 @@ public class ApiRestController {
                     })\r
             })\r
     @ApiResponses(value = {\r
-            @ApiResponse(code = 204, message = "Resource successfully deleted, no content returned",\r
-            responseHeaders = {\r
-                    @ResponseHeader(name = "X-MinorVersion",\r
-                                    description = "Used to request or communicate a MINOR version back from the client"\r
-                                                + " to the server, and from the server back to the client",\r
-                                    response = String.class),\r
-                    @ResponseHeader(name = "X-PatchVersion",\r
-                                    description = "Used only to communicate a PATCH version in a response for"\r
-                                                + " troubleshooting purposes only, and will not be provided by"\r
-                                                + " the client on request",\r
-                                    response = String.class),\r
-                    @ResponseHeader(name = "X-LatestVersion",\r
-                                    description = "Used only to communicate an API's latest version",\r
-                                    response = String.class),\r
-                    @ResponseHeader(name = "X-ONAP-RequestID",\r
-                                    description = "Used to track REST transactions for logging purpose",\r
-                                    response = UUID.class)\r
-            }),\r
             @ApiResponse(code = 401, message = "Authentication Error"),\r
             @ApiResponse(code = 403, message = "Authorization Error"),\r
             @ApiResponse(code = 404, message = "Resource Not Found"),\r
@@ -478,8 +476,17 @@ public class ApiRestController {
             @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
             @PathParam("versionId") @ApiParam(value = "Version of policy type", required = true) String versionId,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyTypeProvider().deletePolicyTypes(policyTypeId, versionId)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyTypeProvider()\r
+                    .deletePolicyType(policyTypeId, versionId);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -531,8 +538,19 @@ public class ApiRestController {
             @PathParam("policyTypeVersion")\r
                 @ApiParam(value = "Version of policy type", required = true) String policyTypeVersion,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().fetchPolicies(policyTypeId, policyTypeVersion, null, null)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyProvider()\r
+                    .fetchPolicies(policyTypeId, policyTypeVersion, null, null);\r
+            updateApiStatisticsCounter(Target.POLICY, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -586,8 +604,19 @@ public class ApiRestController {
                 @ApiParam(value = "Version of policy type", required = true) String policyTypeVersion,\r
             @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().fetchPolicies(policyTypeId, policyTypeVersion, policyId, null)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyProvider()\r
+                    .fetchPolicies(policyTypeId, policyTypeVersion, policyId, null);\r
+            updateApiStatisticsCounter(Target.POLICY, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -643,13 +672,23 @@ public class ApiRestController {
             @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,\r
             @PathParam("policyVersion") @ApiParam(value = "Version of policy", required = true) String policyVersion,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().fetchPolicies(policyTypeId, policyTypeVersion,\r
-                                                       policyId, policyVersion)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyProvider()\r
+                    .fetchPolicies(policyTypeId, policyTypeVersion, policyId, policyVersion);\r
+            updateApiStatisticsCounter(Target.POLICY, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
-     * Retrieves either latest or deployed version of a particular policy depending on query parameter.\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
@@ -658,9 +697,9 @@ public class ApiRestController {
      * @return the Response object containing the results of the API operation\r
      */\r
     @GET\r
-    @Path("/policytypes/{policyTypeId}/versions/{policyTypeVersion}/policies/{policyId}/versions")\r
-    @ApiOperation(value = "Retrieve either latest or deployed version of a particular policy depending on query param",\r
-            notes = "Returns either latest or deployed version of specified policy depending on query param",\r
+    @Path("/policytypes/{policyTypeId}/versions/{policyTypeVersion}/policies/{policyId}/latest")\r
+    @ApiOperation(value = "Retrieve the latest version of a particular policy",\r
+            notes = "Returns the latest version of specified policy",\r
             response = ToscaServiceTemplate.class,\r
             responseHeaders = {\r
                     @ResponseHeader(name = "X-MinorVersion",\r
@@ -693,34 +732,41 @@ public class ApiRestController {
             @ApiResponse(code = 404, message = "Resource Not Found"),\r
             @ApiResponse(code = 500, message = "Internal Server Error")\r
         })\r
-    public Response getEitherLatestOrDeployedVersionOfPolicy(\r
+    public Response getLatestVersionOfPolicy(\r
             @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
             @PathParam("policyTypeVersion")\r
                 @ApiParam(value = "Version of policy type", required = true) String policyTypeVersion,\r
             @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,\r
-            @QueryParam("type")\r
-                @ApiParam(value = "Version that can only be 'latest' or 'deployed'", required = true) String type,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().fetchPolicies(policyTypeId, policyTypeVersion, policyId, type)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate =\r
+                    new PolicyProvider().fetchLatestPolicies(policyTypeId, policyTypeVersion, policyId);\r
+            updateApiStatisticsCounter(Target.POLICY, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
-     * Creates a new policy for a particular policy type and version.\r
+     * Retrieves deployed versions of a particular policy in pdp groups.\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
+     * @param policyId the ID of specified policy\r
      *\r
      * @return the Response object containing the results of the API operation\r
      */\r
-    @POST\r
-    @Path("/policytypes/{policyTypeId}/versions/{policyTypeVersion}/policies")\r
-    @ApiOperation(value = "Create a new policy for a policy type version",\r
-            notes = "Client should provide TOSCA body of the new policy",\r
-            authorizations = @Authorization(value = "basicAuth"),\r
-            tags = { "Policy", },\r
-            response = ToscaServiceTemplate.class,\r
+    @GET\r
+    @Path("/policytypes/{policyTypeId}/versions/{policyTypeVersion}/policies/{policyId}/deployed")\r
+    @ApiOperation(value = "Retrieve deployed versions of a particular policy in pdp groups",\r
+            notes = "Returns deployed versions of specified policy in pdp groups",\r
+            response = ToscaPolicy.class, responseContainer = "List",\r
             responseHeaders = {\r
                     @ResponseHeader(name = "X-MinorVersion",\r
                                     description = "Used to request or communicate a MINOR version back from the client"\r
@@ -738,6 +784,8 @@ public class ApiRestController {
                                     description = "Used to track REST transactions for logging purpose",\r
                                     response = UUID.class)\r
             },\r
+            authorizations = @Authorization(value = "basicAuth"),\r
+            tags = { "Policy", },\r
             extensions = {\r
                     @Extension(name = "interface info", properties = {\r
                             @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
@@ -745,45 +793,48 @@ public class ApiRestController {
                     })\r
             })\r
     @ApiResponses(value = {\r
-            @ApiResponse(code = 400, message = "Invalid Body"),\r
             @ApiResponse(code = 401, message = "Authentication Error"),\r
             @ApiResponse(code = 403, message = "Authorization Error"),\r
             @ApiResponse(code = 404, message = "Resource Not Found"),\r
             @ApiResponse(code = 500, message = "Internal Server Error")\r
         })\r
-    public Response createPolicy(\r
+    public Response getDeployedVersionsOfPolicy(\r
             @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
             @PathParam("policyTypeVersion")\r
                 @ApiParam(value = "Version of policy type", required = true) String policyTypeVersion,\r
-            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId,\r
-            @ApiParam(value = "Entity body of policy", required = true) ToscaServiceTemplate body) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().createPolicy(policyTypeId, policyTypeVersion, body)).build();\r
+            @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,\r
+            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
+\r
+        try {\r
+            Map<Pair<String, String>, List<ToscaPolicy>> deployedPolicies = new PolicyProvider()\r
+                    .fetchDeployedPolicies(policyTypeId, policyTypeVersion, policyId);\r
+            updateApiStatisticsCounter(Target.POLICY, Result.SUCCESS, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(deployedPolicies).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY, Result.FAILURE, HttpMethod.GET);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
-     * Deletes all versions of a particular policy.\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 policyId the ID of specified policy\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
-    @DELETE\r
-    @Path("/policytypes/{policyTypeId}/versions/{policyTypeVersion}/policies/{policyId}")\r
-    @ApiOperation(value = "Delete all versions of a policy",\r
-            notes = "Rule: the version that has been deployed in PDP group(s) cannot be deleted",\r
+    @POST\r
+    @Path("/policytypes/{policyTypeId}/versions/{policyTypeVersion}/policies")\r
+    @ApiOperation(value = "Create a new policy for a policy type version",\r
+            notes = "Client should provide TOSCA body of the new policy",\r
             authorizations = @Authorization(value = "basicAuth"),\r
             tags = { "Policy", },\r
-            extensions = {\r
-                    @Extension(name = "interface info", properties = {\r
-                            @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
-                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")\r
-                    })\r
-            })\r
-    @ApiResponses(value = {\r
-            @ApiResponse(code = 204, message = "Resources successfully deleted, no content returned",\r
+            response = ToscaServiceTemplate.class,\r
             responseHeaders = {\r
                     @ResponseHeader(name = "X-MinorVersion",\r
                                     description = "Used to request or communicate a MINOR version back from the client"\r
@@ -800,21 +851,39 @@ public class ApiRestController {
                     @ResponseHeader(name = "X-ONAP-RequestID",\r
                                     description = "Used to track REST transactions for logging purpose",\r
                                     response = UUID.class)\r
-            }),\r
+            },\r
+            extensions = {\r
+                    @Extension(name = "interface info", properties = {\r
+                            @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
+                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")\r
+                    })\r
+            })\r
+    @ApiResponses(value = {\r
+            @ApiResponse(code = 400, message = "Invalid Body"),\r
             @ApiResponse(code = 401, message = "Authentication Error"),\r
             @ApiResponse(code = 403, message = "Authorization Error"),\r
             @ApiResponse(code = 404, message = "Resource Not Found"),\r
-            @ApiResponse(code = 409, message = "Delete Conflict, Rule Violation"),\r
             @ApiResponse(code = 500, message = "Internal Server Error")\r
         })\r
-    public Response deleteAllVersionsOfPolicy(\r
+    public Response createPolicy(\r
             @PathParam("policyTypeId") @ApiParam(value = "ID of policy type", required = true) String policyTypeId,\r
             @PathParam("policyTypeVersion")\r
                 @ApiParam(value = "Version of policy type", required = true) String policyTypeVersion,\r
-            @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,\r
-            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().deletePolicies(policyTypeId, policyTypeVersion, policyId, null)).build();\r
+            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId,\r
+            @ApiParam(value = "Entity body of policy", required = true) ToscaServiceTemplate body) {\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyProvider()\r
+                    .createPolicy(policyTypeId, policyTypeVersion, body);\r
+            updateApiStatisticsCounter(Target.POLICY, Result.SUCCESS, HttpMethod.POST);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            updateApiStatisticsCounter(Target.POLICY, Result.FAILURE, HttpMethod.POST);\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     /**\r
@@ -833,14 +902,7 @@ public class ApiRestController {
             notes = "Rule: the version that has been deployed in PDP group(s) cannot be deleted",\r
             authorizations = @Authorization(value = "basicAuth"),\r
             tags = { "Policy", },\r
-            extensions = {\r
-                    @Extension(name = "interface info", properties = {\r
-                            @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
-                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")\r
-                    })\r
-            })\r
-    @ApiResponses(value = {\r
-            @ApiResponse(code = 204, message = "Resource successfully deleted, no content returned",\r
+            response = ToscaServiceTemplate.class,\r
             responseHeaders = {\r
                     @ResponseHeader(name = "X-MinorVersion",\r
                                     description = "Used to request or communicate a MINOR version back from the client"\r
@@ -857,7 +919,14 @@ public class ApiRestController {
                     @ResponseHeader(name = "X-ONAP-RequestID",\r
                                     description = "Used to track REST transactions for logging purpose",\r
                                     response = UUID.class)\r
-            }),\r
+            },\r
+            extensions = {\r
+                    @Extension(name = "interface info", properties = {\r
+                            @ExtensionProperty(name = "api-version", value = "1.0.0"),\r
+                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")\r
+                    })\r
+            })\r
+    @ApiResponses(value = {\r
             @ApiResponse(code = 401, message = "Authentication Error"),\r
             @ApiResponse(code = 403, message = "Authorization Error"),\r
             @ApiResponse(code = 404, message = "Resource Not Found"),\r
@@ -871,9 +940,17 @@ public class ApiRestController {
             @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,\r
             @PathParam("policyVersion") @ApiParam(value = "Version of policy", required = true) String policyVersion,\r
             @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {\r
-        return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
-            .entity(new PolicyProvider().deletePolicies(policyTypeId, policyTypeVersion,\r
-                                                        policyId, policyVersion)).build();\r
+\r
+        try {\r
+            ToscaServiceTemplate serviceTemplate = new PolicyProvider()\r
+                    .deletePolicy(policyTypeId, policyTypeVersion, policyId, policyVersion);\r
+            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)\r
+                    .entity(serviceTemplate).build();\r
+        } catch (PfModelException | PfModelRuntimeException pfme) {\r
+            return addLoggingHeaders(addVersionControlHeaders(\r
+                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)\r
+                    .entity(pfme.getErrorResponse()).build();\r
+        }\r
     }\r
 \r
     private ResponseBuilder addVersionControlHeaders(ResponseBuilder rb) {\r
@@ -887,4 +964,68 @@ public class ApiRestController {
         }\r
         return rb.header("X-ONAP-RequestID", requestId);\r
     }\r
+\r
+    private enum Target {\r
+        POLICY, POLICY_TYPE, OTHER\r
+    }\r
+\r
+    private enum Result {\r
+        SUCCESS, FAILURE\r
+    }\r
+\r
+    private enum HttpMethod {\r
+        POST, GET\r
+    }\r
+\r
+    private void updateApiStatisticsCounter(Target target, Result result, HttpMethod http) {\r
+\r
+        ApiStatisticsManager.updateTotalApiCallCount();\r
+        if (target == Target.POLICY) {\r
+            if (result == Result.SUCCESS) {\r
+                if (http == HttpMethod.GET) {\r
+                    ApiStatisticsManager.updateApiCallSuccessCount();\r
+                    ApiStatisticsManager.updateTotalPolicyGetCount();\r
+                    ApiStatisticsManager.updatePolicyGetSuccessCount();\r
+                } else if (http == HttpMethod.POST) {\r
+                    ApiStatisticsManager.updateApiCallSuccessCount();\r
+                    ApiStatisticsManager.updateTotalPolicyPostCount();\r
+                    ApiStatisticsManager.updatePolicyPostSuccessCount();\r
+                }\r
+            } else {\r
+                if (http == HttpMethod.GET) {\r
+                    ApiStatisticsManager.updateApiCallFailureCount();\r
+                    ApiStatisticsManager.updateTotalPolicyGetCount();\r
+                    ApiStatisticsManager.updatePolicyGetFailureCount();\r
+                } else {\r
+                    ApiStatisticsManager.updateApiCallFailureCount();\r
+                    ApiStatisticsManager.updateTotalPolicyPostCount();\r
+                    ApiStatisticsManager.updatePolicyPostFailureCount();\r
+                }\r
+            }\r
+        } else if (target == Target.POLICY_TYPE) {\r
+            if (result == Result.SUCCESS) {\r
+                if (http == HttpMethod.GET) {\r
+                    ApiStatisticsManager.updateApiCallSuccessCount();\r
+                    ApiStatisticsManager.updateTotalPolicyTypeGetCount();\r
+                    ApiStatisticsManager.updatePolicyTypeGetSuccessCount();\r
+                } else if (http == HttpMethod.POST) {\r
+                    ApiStatisticsManager.updateApiCallSuccessCount();\r
+                    ApiStatisticsManager.updatePolicyTypePostSuccessCount();\r
+                    ApiStatisticsManager.updatePolicyTypePostSuccessCount();\r
+                }\r
+            } else {\r
+                if (http == HttpMethod.GET) {\r
+                    ApiStatisticsManager.updateApiCallFailureCount();\r
+                    ApiStatisticsManager.updateTotalPolicyTypeGetCount();\r
+                    ApiStatisticsManager.updatePolicyTypeGetFailureCount();\r
+                } else {\r
+                    ApiStatisticsManager.updateApiCallFailureCount();\r
+                    ApiStatisticsManager.updateTotalPolicyTypePostCount();\r
+                    ApiStatisticsManager.updatePolicyTypePostFailureCount();\r
+                }\r
+            }\r
+        } else {\r
+            ApiStatisticsManager.updateApiCallSuccessCount();\r
+        }\r
+    }\r
 }
\ No newline at end of file