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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.core.deployment;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
import org.onap.policy.apex.core.protocols.Message;
import org.onap.policy.apex.core.protocols.engdep.messages.EngineServiceInfoResponse;
import org.onap.policy.apex.core.protocols.engdep.messages.GetEngineInfo;
import org.onap.policy.apex.core.protocols.engdep.messages.GetEngineServiceInfo;
import org.onap.policy.apex.core.protocols.engdep.messages.GetEngineStatus;
import org.onap.policy.apex.core.protocols.engdep.messages.Response;
import org.onap.policy.apex.core.protocols.engdep.messages.StartEngine;
import org.onap.policy.apex.core.protocols.engdep.messages.StartPeriodicEvents;
import org.onap.policy.apex.core.protocols.engdep.messages.StopEngine;
import org.onap.policy.apex.core.protocols.engdep.messages.StopPeriodicEvents;
import org.onap.policy.apex.core.protocols.engdep.messages.UpdateModel;
import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
import org.onap.policy.apex.model.utilities.TextFileUtils;
/**
* Dummy deployment client.
*/
public class DummyDeploymentClient extends DeploymentClient implements Runnable {
private static final AxArtifactKey MODEL_KEY = new AxArtifactKey("Model", "0.0.1");
private static final AxArtifactKey ENGINE_KEY = new AxArtifactKey("Engine", "0.0.1");
private static final AxArtifactKey ENGINE_SERVICE_KEY = new AxArtifactKey("EngineService", "0.0.1");
private Thread thisThread;
private final BlockingQueue<Message> receiveQueue = new LinkedBlockingQueue<>();
private boolean started = false;
private boolean initSuccessful = false;
private boolean deployModelSuccessful = false;
private boolean startEngineSuccessful = false;
private boolean stopEngineSuccessful = false;
private boolean startPeriodicSuccessful = false;
private boolean stopPeriodicSuccessful = false;
private boolean statusSuccessful = false;
private boolean infoSuccessful = false;
public DummyDeploymentClient(String host, int port) {
super(host, port);
}
/**
* {@inheritDoc}
*/
@Override
public void run() {
// Set up the thread name
thisThread = Thread.currentThread();
thisThread.setName(DeploymentClient.class.getName() + "-" + getHost() + ":" + getPort());
started = true;
// Loop forever, sending messages as they appear on the queue
while (started && !thisThread.isInterrupted()) {
ThreadUtilities.sleep(50);
}
// Thread has been interrupted
thisThread = null;
started = false;
}
/**
* Send an EngDep message to the Apex server.
*
* @param message the message to send to the Apex server
*/
public void sendMessage(final Message message) {
if (message instanceof GetEngineServiceInfo) {
handleEngineServiceInfo(message);
} else if (message instanceof UpdateModel) {
deployModelSuccessful = handleAndReturnMessage(message, deployModelSuccessful);
} else if (message instanceof StartEngine) {
startEngineSuccessful = handleAndReturnMessage(message, startEngineSuccessful);
} else if (message instanceof StopEngine) {
stopEngineSuccessful = handleAndReturnMessage(message, stopEngineSuccessful);
} else if (message instanceof StartPeriodicEvents) {
startPeriodicSuccessful = handleAndReturnMessage(message, startPeriodicSuccessful);
} else if (message instanceof StopPeriodicEvents) {
stopPeriodicSuccessful = handleAndReturnMessage(message, stopPeriodicSuccessful);
} else if (message instanceof GetEngineStatus) {
statusSuccessful = handleAndReturnEngineStatus(message, statusSuccessful);
} else if (message instanceof GetEngineInfo) {
infoSuccessful = handleAndReturnMessage(message, infoSuccessful);
}
}
/**
* Handle the EngineServiceInfo message.
*
* @param message the EngineServiceInfo message
*/
private void handleEngineServiceInfo(final Message message) {
EngineServiceInfoResponse infoResponse = new EngineServiceInfoResponse(ENGINE_KEY, initSuccessful, message);
infoResponse.setApexModelKey(MODEL_KEY);
List<AxArtifactKey> engineKeyList = new ArrayList<>();
engineKeyList.add(ENGINE_KEY);
infoResponse.setEngineKeyArray(engineKeyList);
infoResponse.setEngineServiceKey(ENGINE_SERVICE_KEY);
receiveQueue.add(infoResponse);
initSuccessful = !initSuccessful;
}
/**
* Handle and return the response to the engine status message.
*
* @param message the incoming status message
* @param successFlag true if the result should be successful
* @return
*/
private boolean handleAndReturnEngineStatus(Message message, boolean successFlag) {
if ("DoNotRespond".equals(message.getTarget().getName())) {
return !successFlag;
}
if ("ReturnBadMessage".equals(message.getTarget().getName())) {
receiveQueue.add(message);
return !successFlag;
}
if ("ReturnBadResponse".equals(message.getTarget().getName())) {
Response badResponse = new Response(ENGINE_KEY, successFlag,new StartEngine(message.getTarget()));
receiveQueue.add(badResponse);
return !successFlag;
}
Response response = new Response(ENGINE_KEY, successFlag, message);
if (successFlag) {
try {
response.setMessageData(TextFileUtils
.getTextFileAsString("src/test/resources/models/SmallModel.json"));
} catch (IOException e) {
e.printStackTrace();
}
} else {
response.setMessageData("Operation failed");
}
receiveQueue.add(response);
return !successFlag;
}
/**
* Handle and return a message.
*
* @param message the message
*/
private boolean handleAndReturnMessage(final Message message, final boolean successFlag) {
Response response = new Response(ENGINE_KEY, successFlag, message);
if (successFlag) {
response.setMessageData("Operation was successful");
} else {
response.setMessageData("Operation failed");
}
receiveQueue.add(response);
return !successFlag;
}
/**
* Stop the deployment client.
*/
public void stopClient() {
if (thisThread != null) {
thisThread.interrupt();
}
started = false;
}
/**
* Checks if the client thread is started.
*
* @return true, if the client thread is started
*/
public boolean isStarted() {
return started;
}
/**
* Allows users of this class to get a reference to the receive queue to receove messages.
*
* @return the receive queue
*/
public BlockingQueue<Message> getReceiveQueue() {
return receiveQueue;
}
}
|