blob: bb9ce26f7e84187728fc4bd7415a0b5ec9b43643 (
plain)
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
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.qpid.disttest.client;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.apache.qpid.disttest.message.ParticipantResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ParticipantExecutor
{
private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantExecutor.class);
private static final ExecutorService SHARED_UNBOUNDED_THREAD_POOL = Executors.newCachedThreadPool(new DaemonThreadFactory());
private Executor _executor = SHARED_UNBOUNDED_THREAD_POOL;
private Client _client;
private final Participant _participant;
private final ParticipantResultFactory _factory;
public ParticipantExecutor(Participant participant)
{
_participant = participant;
_factory = new ParticipantResultFactory();
}
/**
* Schedules the test participant to be run in a background thread.
*/
public void start(Client client)
{
_client = client;
LOGGER.debug("Starting test participant in background thread: " + this);
_executor.execute(new ParticipantRunnable());
}
public String getParticipantName()
{
return _participant.getName();
}
void setExecutor(Executor executor)
{
_executor = executor;
}
private class ParticipantRunnable implements Runnable
{
@Override
public final void run()
{
Thread currentThread = Thread.currentThread();
final String initialThreadName = currentThread.getName();
currentThread.setName(initialThreadName + "-" + getParticipantName());
try
{
runParticipantAndSendResults();
}
finally
{
currentThread.setName(initialThreadName);
}
}
private void runParticipantAndSendResults()
{
ParticipantResult result = null;
try
{
if (LOGGER.isDebugEnabled())
{
LOGGER.debug("About to run participant " + _participant);
}
result = _participant.doIt(_client.getClientName());
}
catch (Throwable t)
{
String errorMessage = "Unhandled error: " + t.getMessage();
LOGGER.error(errorMessage, t);
result = _factory.createForError(_participant.getName(), _client.getClientName(), errorMessage);
}
finally
{
_client.sendResults(result);
_participant.releaseResources();
}
}
}
private static final class DaemonThreadFactory implements ThreadFactory
{
@Override
public Thread newThread(Runnable r)
{
Thread thread = new Thread(r);
thread.setDaemon(true);
return thread;
}
}
@Override
public String toString()
{
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.append("participantName", getParticipantName())
.append("client", _client)
.toString();
}
}
|
