2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 * ============LICENSE_END=========================================================
19 package org.onap.policy.pdp.xacml.application.common.operationshistory;
21 import com.att.research.xacml.api.XACML3;
22 import com.att.research.xacml.api.pip.PIPException;
23 import com.att.research.xacml.api.pip.PIPFinder;
24 import com.att.research.xacml.api.pip.PIPRequest;
25 import com.att.research.xacml.api.pip.PIPResponse;
26 import com.att.research.xacml.std.pip.StdMutablePIPResponse;
27 import com.att.research.xacml.std.pip.StdPIPResponse;
28 import com.google.common.base.Strings;
29 import java.util.Arrays;
30 import java.util.Collection;
31 import javax.persistence.NoResultException;
32 import org.onap.policy.pdp.xacml.application.common.ToscaDictionary;
33 import org.onap.policy.pdp.xacml.application.common.std.StdOnapPip;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
37 public class GetOperationOutcomePip extends StdOnapPip {
38 public static final String ISSUER_NAME = "get-operation-outcome";
39 private static Logger logger = LoggerFactory.getLogger(GetOperationOutcomePip.class);
41 public GetOperationOutcomePip() {
43 this.issuer = ISSUER_NAME;
47 public Collection<PIPRequest> attributesRequired() {
48 return Arrays.asList(PIP_REQUEST_TARGET);
54 * @param pipRequest the request
55 * @param pipFinder the pip finder
59 public PIPResponse getAttributes(PIPRequest pipRequest, PIPFinder pipFinder)
62 throw new PIPException("Engine is shutdown");
64 logger.debug("getAttributes requesting attribute {} of type {} for issuer {}",
65 pipRequest.getAttributeId(), pipRequest.getDataTypeId(), pipRequest.getIssuer());
67 // Determine if the issuer is correct
69 if (Strings.isNullOrEmpty(pipRequest.getIssuer())) {
70 logger.error("issuer is null - returning empty response");
72 // We only respond to ourself as the issuer
74 return StdPIPResponse.PIP_RESPONSE_EMPTY;
76 if (!pipRequest.getIssuer().startsWith(ToscaDictionary.GUARD_ISSUER_PREFIX)) {
77 logger.error("Issuer does not start with guard");
79 // We only respond to ourself as the issuer
81 return StdPIPResponse.PIP_RESPONSE_EMPTY;
84 // Parse out the issuer which denotes the time window
85 // Eg: any-prefix:clname:some-controlloop-name
87 String[] s1 = pipRequest.getIssuer().split("clname:");
88 String clname = s1[1];
90 target = getAttribute(pipFinder, PIP_REQUEST_TARGET);
92 logger.debug("Going to query DB about: clname={}, target={}", clname, target);
93 String outcome = doDatabaseQuery(clname);
94 logger.info("Query result is: {}", outcome);
96 StdMutablePIPResponse pipResponse = new StdMutablePIPResponse();
97 this.addStringAttribute(pipResponse, XACML3.ID_ATTRIBUTE_CATEGORY_RESOURCE,
98 ToscaDictionary.ID_RESOURCE_GUARD_OPERATIONOUTCOME, outcome, pipRequest);
99 return new StdPIPResponse(pipResponse);
102 private String doDatabaseQuery(String clname) {
103 logger.info("Querying operations history for {}", clname);
105 // Only can query if we have an EntityManager
108 logger.error("No EntityManager available");
116 // We are expecting a single result
119 .createQuery("select e.outcome from OperationsHistory e" + " where e.closedLoopName= ?1"
120 + " order by e.starttime desc", String.class)
121 .setParameter(1, clname).setMaxResults(1).getSingleResult();
123 // Check the value of result
124 if (result.equalsIgnoreCase("Started")) {
125 return ("In_Progress");
129 } catch (NoResultException e) {
130 logger.trace("No results", e);
131 } catch (Exception e) {
132 logger.error("Typed query failed", e);