--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+
+package org.onap.policy.pdp.xacml.application.common.operationshistory;
+
+import com.att.research.xacml.api.XACML3;
+import com.att.research.xacml.api.pip.PIPException;
+import com.att.research.xacml.api.pip.PIPFinder;
+import com.att.research.xacml.api.pip.PIPRequest;
+import com.att.research.xacml.api.pip.PIPResponse;
+import com.att.research.xacml.std.pip.StdMutablePIPResponse;
+import com.att.research.xacml.std.pip.StdPIPResponse;
+import com.google.common.base.Strings;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Properties;
+
+import javax.persistence.NoResultException;
+import javax.persistence.Persistence;
+
+import org.onap.policy.pdp.xacml.application.common.ToscaDictionary;
+import org.onap.policy.pdp.xacml.application.common.std.StdOnapPip;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public class GetOperationOutcomePip extends StdOnapPip {
+ public static final String ISSUER_NAME = "get-operation-outcome";
+ private static Logger logger = LoggerFactory.getLogger(GetOperationOutcomePip.class);
+
+ public GetOperationOutcomePip() {
+ super();
+ }
+
+ @Override
+ public Collection<PIPRequest> attributesRequired() {
+ return Arrays.asList(PIP_REQUEST_TARGET);
+ }
+
+ @Override
+ public void configure(String id, Properties properties) throws PIPException {
+ super.configure(id, properties);
+ //
+ // Create our entity manager
+ //
+ em = null;
+ try {
+ //
+ // In case there are any overloaded properties for the JPA
+ //
+ Properties emProperties = new Properties(properties);
+ //
+ // Create the entity manager factory
+ //
+ em = Persistence.createEntityManagerFactory(
+ properties.getProperty(ISSUER_NAME + ".persistenceunit"),
+ emProperties).createEntityManager();
+ } catch (Exception e) {
+ logger.error("Persistence failed {} operations history db {}", e.getLocalizedMessage(), e);
+ }
+ }
+
+ /**
+ * getAttributes.
+ *
+ * @param pipRequest the request
+ * @param pipFinder the pip finder
+ * @return PIPResponse
+ */
+ @Override
+ public PIPResponse getAttributes(PIPRequest pipRequest, PIPFinder pipFinder) throws PIPException {
+ logger.debug("getAttributes requesting attribute {} of type {} for issuer {}",
+ pipRequest.getAttributeId(), pipRequest.getDataTypeId(), pipRequest.getIssuer());
+ //
+ // Determine if the issuer is correct
+ //
+ if (Strings.isNullOrEmpty(pipRequest.getIssuer())) {
+ logger.debug("issuer is null - returning empty response");
+ //
+ // We only respond to ourself as the issuer
+ //
+ return StdPIPResponse.PIP_RESPONSE_EMPTY;
+ }
+ if (! pipRequest.getIssuer().startsWith(ToscaDictionary.GUARD_ISSUER_PREFIX)) {
+ logger.debug("Issuer does not start with guard");
+ //
+ // We only respond to ourself as the issuer
+ //
+ return StdPIPResponse.PIP_RESPONSE_EMPTY;
+ }
+ //
+ // Parse out the issuer which denotes the time window
+ // Eg: any-prefix:clname:some-controlloop-name
+ //
+ String[] s1 = pipRequest.getIssuer().split("clname:");
+ String clname = s1[1];
+ String target = null;
+ target = getAttribute(pipFinder, PIP_REQUEST_TARGET);
+
+ logger.debug("Going to query DB about: clname={}, target={}", clname, target);
+ String outcome = doDatabaseQuery(clname, target);
+ logger.debug("Query result is: {}", outcome);
+
+ StdMutablePIPResponse pipResponse = new StdMutablePIPResponse();
+ this.addStringAttribute(pipResponse,
+ XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE,
+ ToscaDictionary.ID_RESOURCE_GUARD_OPERATIONOUTCOME,
+ outcome,
+ pipRequest);
+ return new StdPIPResponse(pipResponse);
+ }
+
+ private String doDatabaseQuery(String clname, String target) {
+ logger.info("Querying operations history for {} {}", clname, target);
+ //
+ // Only can query if we have an EntityManager
+ //
+ if (em == null) {
+ logger.error("No EntityManager available");
+ return null;
+ }
+ //
+ // Do the query
+ //
+ try {
+ //
+ // We are expecting a single result
+ //
+ return em.createQuery("select e.outcome from Dbao e"
+ + " where e.closedLoopName= ?1"
+ + " and e.target= ?2"
+ + " order by e.endtime desc",
+ String.class)
+ .setParameter(1, clname)
+ .setParameter(2, target)
+ .setMaxResults(1)
+ .getSingleResult();
+ } catch (Exception e) {
+ logger.error("Typed query failed ", e);
+ return null;
+ }
+ }
+}
Code Review / policy / xacml-pdp.git / blobdiff