X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=applications%2Fcommon%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fpolicy%2Fpdp%2Fxacml%2Fapplication%2Fcommon%2Foperationshistory%2FGetOperationOutcomePip.java;fp=applications%2Fcommon%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fpolicy%2Fpdp%2Fxacml%2Fapplication%2Fcommon%2Foperationshistory%2FGetOperationOutcomePip.java;h=717e537de958247a9559325e5a712206d5060ed6;hb=a5b035d9bb633cf5d520a62c451250db4b018a13;hp=0000000000000000000000000000000000000000;hpb=578c96027a8ba1bde8b50b45d4b846daf61ecfd5;p=policy%2Fxacml-pdp.git

diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/operationshistory/GetOperationOutcomePip.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/operationshistory/GetOperationOutcomePip.java
new file mode 100644
index 00000000..717e537d
--- /dev/null
+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/operationshistory/GetOperationOutcomePip.java
@@ -0,0 +1,160 @@
+/*-
+ * ============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;
+        }
+    }
+}