\r
package org.onap.policy.api.main.rest.provider;\r
\r
-import org.onap.policy.models.tosca.simple.concepts.ToscaServiceTemplate;\r
+import java.util.List;\r
+import java.util.Map;\r
+import javax.ws.rs.core.Response;\r
+import org.apache.commons.lang3.tuple.Pair;\r
+import org.onap.policy.api.main.parameters.ApiParameterGroup;\r
+import org.onap.policy.common.parameters.ParameterService;\r
+import org.onap.policy.models.base.PfModelException;\r
+import org.onap.policy.models.provider.PolicyModelsProvider;\r
+import org.onap.policy.models.provider.PolicyModelsProviderFactory;\r
+import org.onap.policy.models.provider.PolicyModelsProviderParameters;\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 all kinds of policy operations.\r
*/\r
public class PolicyProvider {\r
\r
- private static final String DELETE_OK = "Successfully deleted";\r
+ private PolicyModelsProvider modelsProvider;\r
+\r
+ /**\r
+ * Default constructor.\r
+ */\r
+ public PolicyProvider() throws PfModelException {\r
+\r
+ ApiParameterGroup parameterGroup = ParameterService.get("ApiGroup");\r
+ PolicyModelsProviderParameters providerParameters = parameterGroup.getDatabaseProviderParameters();\r
+ modelsProvider = new PolicyModelsProviderFactory().createPolicyModelsProvider(providerParameters);\r
+ modelsProvider.init();\r
+ }\r
\r
/**\r
* Retrieves a list of policies matching specified ID and version of both policy type and 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,\r
- String policyId, String policyVersion) {\r
- // placeholder\r
- return new ToscaServiceTemplate();\r
+ String policyId, String policyVersion) throws PfModelException {\r
+\r
+ validatePathParam(policyTypeId, policyTypeVersion);\r
+ ToscaServiceTemplate serviceTemplate;\r
+ if (policyId == null) {\r
+ serviceTemplate = modelsProvider.getPolicies4PolicyType(policyTypeId, policyTypeVersion);\r
+ } else {\r
+ serviceTemplate = modelsProvider.getPolicies(policyId, policyVersion);\r
+ }\r
+ close();\r
+ return serviceTemplate;\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,\r
+ String policyId) throws PfModelException {\r
+\r
+ validatePathParam(policyTypeId, policyTypeVersion);\r
+ ToscaServiceTemplate serviceTemplate = modelsProvider.getLatestPolicies(policyId);\r
+ close();\r
+ return serviceTemplate;\r
+ }\r
+\r
+ /**\r
+ * Retrieves a list of deployed policies in each pdp group.\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 a list of deployed policies in each pdp group\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public Map<Pair<String, String>, List<ToscaPolicy>> fetchDeployedPolicies(\r
+ String policyTypeId, String policyTypeVersion, String policyId) throws PfModelException {\r
+\r
+ validatePathParam(policyTypeId, policyTypeVersion);\r
+ Map<Pair<String, String>, List<ToscaPolicy>> deployedPolicies = modelsProvider.getDeployedPolicyList(policyId);\r
+ close();\r
+ return deployedPolicies;\r
}\r
\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 createPolicy(String policyTypeId, String policyTypeVersion,\r
- ToscaServiceTemplate body) {\r
- // placeholder\r
- return new ToscaServiceTemplate();\r
+ ToscaServiceTemplate body) throws PfModelException {\r
+\r
+ validatePathParam(policyTypeId, policyTypeVersion);\r
+ validatePolicyTypeMatch(policyTypeId, policyTypeVersion, body);\r
+ ToscaServiceTemplate serviceTemplate = modelsProvider.createPolicies(body);\r
+ close();\r
+ return serviceTemplate;\r
}\r
\r
/**\r
- * Deletes the policies matching specified ID and version of both policy type and policy.\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 a string message indicating the operation results\r
+ * @return the ToscaServiceTemplate object\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ public ToscaServiceTemplate deletePolicy(String policyTypeId, String policyTypeVersion,\r
+ String policyId, String policyVersion) throws PfModelException {\r
+\r
+ validatePathParam(policyTypeId, policyTypeVersion);\r
+ ToscaServiceTemplate serviceTemplate = modelsProvider.deletePolicy(policyId, policyVersion);\r
+ close();\r
+ return serviceTemplate;\r
+ }\r
+\r
+ /**\r
+ * Checks the validation of policy type info passed in as path param.\r
+ *\r
+ * @param policyTypeId the ID of policy type\r
+ * @param policyTypeVersion the version of policy type\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ private void validatePathParam(String policyTypeId, String policyTypeVersion) throws PfModelException {\r
+\r
+ // Check policy type existence\r
+ try {\r
+ modelsProvider.getPolicyTypes(policyTypeId, policyTypeVersion);\r
+ } catch (Exception e) {\r
+ throw new PfModelException(Response.Status.NOT_FOUND, "specified policy type does not exist", e);\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Validates the match between policy type specified in path param and the one specified in type of policy.\r
+ *\r
+ * @param body the ToscaServiceTemplate to create\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
+ */\r
+ private void validatePolicyTypeMatch(String policyTypeId, String policyTypeVersion, ToscaServiceTemplate body)\r
+ throws PfModelException {\r
+\r
+ List<Map<String, ToscaPolicy>> policies = body.getToscaTopologyTemplate().getPolicies();\r
+ for (Map<String, ToscaPolicy> policy : policies) {\r
+ if (policy.size() != 1) {\r
+ throw new PfModelException(Response.Status.BAD_REQUEST,\r
+ "one policy block contains more than one policies");\r
+ }\r
+ ToscaPolicy policyContent = policy.values().iterator().next();\r
+ if (!policyTypeId.equalsIgnoreCase(policyContent.getType())\r
+ || !policyTypeVersion.equalsIgnoreCase(policyContent.getVersion())) {\r
+ throw new PfModelException(Response.Status.BAD_REQUEST, "policy type info does not match");\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Closes the connection to database.\r
+ *\r
+ * @throws PfModelException the PfModel parsing exception\r
*/\r
- public String deletePolicies(String policyTypeId, String policyTypeVersion,\r
- String policyId, String policyVersion) {\r
- // placeholder\r
- return DELETE_OK;\r
+ private void close() throws PfModelException {\r
+ try {\r
+ modelsProvider.close();\r
+ } catch (Exception e) {\r
+ throw new PfModelException(\r
+ Response.Status.INTERNAL_SERVER_ERROR, "error closing connection to database", e);\r
+ }\r
}\r
}
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