-
Notifications
You must be signed in to change notification settings - Fork 918
/
SendAcknowledgementsExample.java
151 lines (118 loc) · 5.75 KB
/
SendAcknowledgementsExample.java
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
/*
* 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.activemq.artemis.jms.example;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.api.core.Message;
import org.apache.activemq.artemis.api.core.RoutingType;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
import org.apache.activemq.artemis.api.core.client.ClientConsumer;
import org.apache.activemq.artemis.api.core.client.ClientMessage;
import org.apache.activemq.artemis.api.core.client.ClientProducer;
import org.apache.activemq.artemis.api.core.client.ClientSession;
import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
import org.apache.activemq.artemis.api.core.client.SendAcknowledgementHandler;
import org.apache.activemq.artemis.api.core.client.ServerLocator;
import org.apache.activemq.artemis.util.ServerUtil;
/**
* Asynchronous Send Acknowledgements are an advanced feature of ActiveMQ Artemis which allow you to
* receive acknowledgements that messages were successfully received at the server in a separate stream
* to the stream of messages being sent to the server.
* For more information please see the readme.html file
*/
public class SendAcknowledgementsExample {
private static Process server0;
private static final int numMessages = 30_000;
private static final SimpleString queueName = SimpleString.toSimpleString("testQueue");
public static void main(final String[] args) throws Exception {
for (int i = 0; i < 500; i++) {
System.out.println("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ Running test " + i);
server0 = ServerUtil.startServer(args[0], SendAcknowledgementsExample.class.getSimpleName() + "0", 0, 10000);
sendMessages();
server0 = ServerUtil.startServer(args[0], SendAcknowledgementsExample.class.getSimpleName() + "0", 0, 10000);
consumeMessages();
}
}
private static void sendMessages() throws Exception {
try {
ServerLocator locator = ActiveMQClient.createServerLocator("tcp://localhost:61616").setBlockOnDurableSend(false).setConfirmationWindowSize(1024 * 1024);
ClientSessionFactory factory = locator.createSessionFactory();
ClientSession session = factory.createSession(null, null, false, true, true, false, ActiveMQClient.DEFAULT_ACK_BATCH_SIZE);
try {
// Tried with and without the createAddress
session.createAddress(queueName, RoutingType.MULTICAST, false);
session.createQueue(queueName.toString(), RoutingType.MULTICAST, queueName.toString(), true);
} catch (Exception e) {
}
ClientProducer producer = session.createProducer(queueName);
CountDownLatch latch = new CountDownLatch(numMessages);
for (int i = 0; i < numMessages; i++) {
if (i % 10000 == 0) {
System.out.println("Send " + i);
}
ClientMessage message = session.createMessage(true);
message.getBodyBuffer().writeBytes("hello world".getBytes());
// tried with producer.send(queueName, message, ...);; // didn't make a difference
producer.send(message, new SendAcknowledgementHandler() {
@Override
public void sendAcknowledged(Message message) {
latch.countDown();
if (latch.getCount() % 10_000 == 0) {
System.out.println(latch.getCount() + " to go");
}
}
});
}
latch.await(10, TimeUnit.MINUTES);
} finally {
server0.destroy();
server0.waitFor();
}
}
private static void consumeMessages() throws Exception {
try {
ServerLocator locator = ActiveMQClient.createServerLocator("tcp://localhost:61616").setBlockOnDurableSend(false).setConfirmationWindowSize(-1);
ClientSessionFactory factory = locator.createSessionFactory();
ClientSession session = factory.createSession(null, null, false, false, false, false, ActiveMQClient.DEFAULT_ACK_BATCH_SIZE);
ClientConsumer consumer = session.createConsumer(queueName);
session.start();
for (int i = 0; i < numMessages; i++) {
if (i % 10000 == 0) {
System.out.println("Received " + i);
}
ClientMessage message = consumer.receive(5000);
message.acknowledge();
if (message == null) {
System.err.println("Expected message at " + i);
System.exit(-1);
}
}
session.commit();
ClientMessage message = consumer.receiveImmediate();
if (message != null) {
System.err.println("Received too many messages");
System.exit(-1);
}
session.close();
locator.close();
} finally {
server0.destroy();
server0.waitFor();
}
}
}