1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019-2021 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 javax.persistence.NoResultException;
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();
this.issuer = ISSUER_NAME;
}
@Override
public Collection<PIPRequest> attributesRequired() {
return Arrays.asList(PIP_REQUEST_TARGET);
}
/**
* getAttributes.
*
* @param pipRequest the request
* @param pipFinder the pip finder
* @return PIPResponse
*/
@Override
public PIPResponse getAttributes(PIPRequest pipRequest, PIPFinder pipFinder)
throws PIPException {
if (this.shutdown) {
throw new PIPException("Engine is shutdown");
}
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.error("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.error("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);
logger.info("Query result is: {}", outcome);
var 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) {
logger.info("Querying operations history for {}", clname);
//
// 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
//
String result = em
.createQuery("select e.outcome from OperationsHistory e" + " where e.closedLoopName= ?1"
+ " order by e.starttime desc", String.class)
.setParameter(1, clname).setMaxResults(1).getSingleResult();
// Check the value of result
if (result.equalsIgnoreCase("Started")) {
return ("In_Progress");
} else {
return ("Complete");
}
} catch (NoResultException e) {
logger.trace("No results", e);
} catch (Exception e) {
logger.error("Typed query failed", e);
}
return null;
}
}
|
