|
1
|
/**
|
|
2
|
* Copyright (C) 2015 EDIT
|
|
3
|
* European Distributed Institute of Taxonomy
|
|
4
|
* http://www.e-taxonomy.eu
|
|
5
|
*
|
|
6
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
|
7
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
|
8
|
*/
|
|
9
|
package eu.etaxonomy.taxeditor.util;
|
|
10
|
|
|
11
|
import java.text.DecimalFormat;
|
|
12
|
import java.util.Arrays;
|
|
13
|
import java.util.List;
|
|
14
|
import java.util.UUID;
|
|
15
|
|
|
16
|
import org.apache.log4j.Logger;
|
|
17
|
import org.eclipse.core.runtime.SubMonitor;
|
|
18
|
import org.springframework.remoting.RemoteAccessException;
|
|
19
|
|
|
20
|
import eu.etaxonomy.cdm.api.application.CdmApplicationState;
|
|
21
|
import eu.etaxonomy.cdm.api.service.IProgressMonitorService;
|
|
22
|
import eu.etaxonomy.cdm.api.service.UpdateResult;
|
|
23
|
import eu.etaxonomy.cdm.common.monitor.IRemotingProgressMonitor;
|
|
24
|
import eu.etaxonomy.taxeditor.operation.IFeedbackGenerator;
|
|
25
|
import eu.etaxonomy.taxeditor.operation.IPostMoniteredOperationEnabled;
|
|
26
|
|
|
27
|
/**
|
|
28
|
* Manages client side progress monitors
|
|
29
|
*
|
|
30
|
* @author cmathew
|
|
31
|
* @date 23 Oct 2015
|
|
32
|
*
|
|
33
|
*/
|
|
34
|
|
|
35
|
public class ProgressMonitorClientManager {
|
|
36
|
private static final Logger logger = Logger.getLogger(ProgressMonitorClientManager.class);
|
|
37
|
|
|
38
|
/**
|
|
39
|
* Polls the progress monitor service for the progress status of a monitor
|
|
40
|
* corresponding to the given uuid.
|
|
41
|
*
|
|
42
|
* @param label for the operation
|
|
43
|
* @param uuid of the remoting monitor already started on the server
|
|
44
|
* @param pollInterval in milliseconds
|
|
45
|
* @param cancelable flag which determines whether the operation can be cancelled
|
|
46
|
* @param postOp callback for running post operation logic
|
|
47
|
* @param feedbackGenerator feedback generator corresponding to the
|
|
48
|
* 'wait on feedback' request made on the remoting monitor
|
|
49
|
* @param monitor to be updated
|
|
50
|
* @return a final progress monitor after the operation is completed
|
|
51
|
* @throws InterruptedException
|
|
52
|
*/
|
|
53
|
public IRemotingProgressMonitor pollMonitor(final String label,
|
|
54
|
final UUID uuid,
|
|
55
|
final int pollInterval,
|
|
56
|
final IPostMoniteredOperationEnabled postOp,
|
|
57
|
IFeedbackGenerator feedbackGenerator,
|
|
58
|
SubMonitor monitor) throws InterruptedException {
|
|
59
|
return pollMonitor(label, uuid, pollInterval, postOp, Arrays.asList(feedbackGenerator), monitor);
|
|
60
|
}
|
|
61
|
/**
|
|
62
|
* Polls the progress monitor service for the progress status of a monitor
|
|
63
|
* corresponding to the given uuid.
|
|
64
|
*
|
|
65
|
*
|
|
66
|
* @param label for the operation
|
|
67
|
* @param uuid of the remoting monitor already started on the server
|
|
68
|
* @param pollInterval in milliseconds
|
|
69
|
* @param cancelable flag which determines whether the operation can be cancelled
|
|
70
|
* @param postOp callback for running post operation logic
|
|
71
|
* @param feedbackGenerators list of feedback generators corresponding to the
|
|
72
|
* size and exact order of the 'wait on feedback' requests made on the
|
|
73
|
* remoting monitor
|
|
74
|
* @param monitor to be updated
|
|
75
|
* @return a final progress monitor after the operation is completed
|
|
76
|
* @throws InterruptedException
|
|
77
|
*/
|
|
78
|
public IRemotingProgressMonitor pollMonitor(final String label,
|
|
79
|
final UUID uuid,
|
|
80
|
final int pollInterval,
|
|
81
|
final IPostMoniteredOperationEnabled postOp,
|
|
82
|
List<IFeedbackGenerator> feedbackGenerators,
|
|
83
|
SubMonitor monitor) throws InterruptedException {
|
|
84
|
IProgressMonitorService progressMonitorService = CdmApplicationState.getCurrentAppConfig().getProgressMonitorService();
|
|
85
|
IRemotingProgressMonitor remotingMonitor = progressMonitorService.getRemotingMonitor(uuid);
|
|
86
|
try {
|
|
87
|
final int START_DELAY=10;
|
|
88
|
// wait about 10 seconds for the remoting monitor to be initialised
|
|
89
|
// (i.e. for the begin task method to be called ON THE REMOTING MONITOR)
|
|
90
|
if ( remotingMonitor.isDone()){
|
|
91
|
return remotingMonitor;
|
|
92
|
}
|
|
93
|
for(int i=0;i<START_DELAY;i++) {
|
|
94
|
Thread.sleep(10);
|
|
95
|
logger.info("Waiting for monitered work to start ..");
|
|
96
|
remotingMonitor = progressMonitorService.getRemotingMonitor(uuid);
|
|
97
|
if (remotingMonitor != null){
|
|
98
|
if(remotingMonitor.getTotalWork() > 0) {
|
|
99
|
break;
|
|
100
|
}
|
|
101
|
break;
|
|
102
|
}
|
|
103
|
}
|
|
104
|
|
|
105
|
if (remotingMonitor == null){
|
|
106
|
return null;
|
|
107
|
}
|
|
108
|
// if the total work is still not been set then we assume that the
|
|
109
|
// operation has zero work units
|
|
110
|
|
|
111
|
if(remotingMonitor.getTotalWork() == 0 && remotingMonitor.isDone()) {
|
|
112
|
return remotingMonitor;
|
|
113
|
|
|
114
|
}else if (remotingMonitor.getTotalWork() == 0 ){
|
|
115
|
Object result = remotingMonitor.getResult();
|
|
116
|
InterruptedException exception = new InterruptedException("Monitor has zero work units");
|
|
117
|
if (result instanceof UpdateResult){
|
|
118
|
((UpdateResult)result).addException(exception);
|
|
119
|
}else if (result == null){
|
|
120
|
result = new UpdateResult();
|
|
121
|
}
|
|
122
|
|
|
123
|
}
|
|
124
|
// start the client monitor
|
|
125
|
monitor.beginTask(remotingMonitor.getTaskName(), remotingMonitor.getTotalWork());
|
|
126
|
logger.info("Work to be done: " + remotingMonitor.getTotalWork());
|
|
127
|
int editorTotalWorkDone = 0;
|
|
128
|
int serverTotalWorkDone = 0;
|
|
129
|
// loop until the operation is done
|
|
130
|
int feedbackCount = 0;
|
|
131
|
int failCount = 10;
|
|
132
|
while(!(remotingMonitor.isCanceled() || remotingMonitor.isFailed() || remotingMonitor.isDone())) {
|
|
133
|
// wait for pollInterval, then
|
|
134
|
// .... retrieve remoting monitor, then
|
|
135
|
// .... set client monitor info
|
|
136
|
|
|
137
|
IRemotingProgressMonitor previousRemotingMonitor = remotingMonitor;
|
|
138
|
Thread.sleep(pollInterval);
|
|
139
|
try{
|
|
140
|
remotingMonitor = progressMonitorService.getRemotingMonitor(uuid);
|
|
141
|
}catch(RemoteAccessException e){
|
|
142
|
failCount--;
|
|
143
|
if (failCount > 0){
|
|
144
|
remotingMonitor = previousRemotingMonitor;
|
|
145
|
continue;
|
|
146
|
}else{
|
|
147
|
throw e;
|
|
148
|
}
|
|
149
|
|
|
150
|
}
|
|
151
|
// check if remoting monitor is waiting for feedback
|
|
152
|
if(remotingMonitor.getIsWaitingForFeedback()) {
|
|
153
|
if(feedbackGenerators != null) {
|
|
154
|
// if we have run out of feedback generators while
|
|
155
|
// the remoting monitor is waiting on feedback
|
|
156
|
// then throw exception
|
|
157
|
if(feedbackCount + 1 > feedbackGenerators.size()) {
|
|
158
|
IllegalStateException exception = new IllegalStateException("Remoting monitor waiting on feedback that does not exist");
|
|
159
|
Object result = remotingMonitor.getResult();
|
|
160
|
if (result instanceof UpdateResult){
|
|
161
|
((UpdateResult)result).addException(exception);
|
|
162
|
}
|
|
163
|
return remotingMonitor;
|
|
164
|
}
|
|
165
|
feedbackGenerators.get(feedbackCount).setFeedbackForMonitor(uuid);
|
|
166
|
feedbackCount++;
|
|
167
|
}
|
|
168
|
}
|
|
169
|
serverTotalWorkDone = (int) remotingMonitor.getWorkDone();
|
|
170
|
logger.info("Work done from start: " + serverTotalWorkDone);
|
|
171
|
String percentage = "100";
|
|
172
|
if (remotingMonitor.getTotalWork() != 0){
|
|
173
|
percentage = new DecimalFormat("#.##").format(remotingMonitor.getPercentage());
|
|
174
|
}
|
|
175
|
|
|
176
|
|
|
177
|
// set dialog text
|
|
178
|
monitor.setTaskName(remotingMonitor.getTaskName());
|
|
179
|
monitor.subTask(" " + percentage + "% done ");
|
|
180
|
|
|
181
|
int worked = 0;
|
|
182
|
if (serverTotalWorkDone > editorTotalWorkDone){
|
|
183
|
worked = serverTotalWorkDone - editorTotalWorkDone;
|
|
184
|
}
|
|
185
|
if(worked > 0) {
|
|
186
|
logger.info("Work done since last check: " + worked);
|
|
187
|
monitor.worked(worked);
|
|
188
|
}
|
|
189
|
|
|
190
|
|
|
191
|
editorTotalWorkDone = serverTotalWorkDone;
|
|
192
|
}
|
|
193
|
if(remotingMonitor.getResult() instanceof Exception) {
|
|
194
|
UpdateResult result = new UpdateResult();
|
|
195
|
result.addException((Exception) remotingMonitor.getResult());
|
|
196
|
|
|
197
|
}
|
|
198
|
return remotingMonitor;
|
|
199
|
} finally {
|
|
200
|
if(postOp != null && remotingMonitor != null && remotingMonitor.isDone()) {
|
|
201
|
postOp.postOperation(remotingMonitor);
|
|
202
|
}
|
|
203
|
}
|
|
204
|
}
|
|
205
|
}
|