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tidy up the code for tut 2

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Signed-off-by: Ann <awitbrock@vmware.com>
This commit is contained in:
Ann 2011-01-24 17:15:13 +00:00
parent 8f4b1edb82
commit 914f22cd21
2 changed files with 61 additions and 60 deletions
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52
java/NewTask.java
View File

@ -4,32 +4,36 @@ import com.rabbitmq.client.Channel;
import com.rabbitmq.client.MessageProperties;
public class NewTask {
public static void main(String[] argv) throws java.io.IOException {
Connection connection = null;
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
connection = factory.newConnection();
Channel channel = connection.createChannel();
boolean durable = true;
channel.queueDeclare("task_queue", durable, false, false, null);
String message = joinStrings(argv);
if (message == "") message = "Hello World!";
// make message props persistent
channel.basicPublish( "", "task_queue",
MessageProperties.PERSISTENT_TEXT_PLAIN,
public static void main(String[] argv) throws java.io.IOException {
Connection connection = null;
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare("task_queue", true, false, false, null);
String message = getMessage(argv);
channel.basicPublish( "", "task_queue",
MessageProperties.PERSISTENT_TEXT_PLAIN,
message.getBytes());
System.out.println(" [x] Sent '" + message + "'");
channel.close();
connection.close();
}
System.out.println(" [x] Sent '" + message + "'");
channel.close();
connection.close();
}
private static String getMessage(String[] strings){
if (strings.length < 1)
return "Hello World!";
return joinStrings(strings);
}
private static String joinStrings(String[] strings){
String words = "";
for (String astring: strings)
words = words + astring + " ";
return words.trim();
String words = "";
for (String astring: strings)
words = words.concat(astring).concat(" ");
return words.trim();
}
}

69
java/Worker.java
View File

@ -2,46 +2,43 @@ import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.QueueingConsumer;
public class Worker {
public static void main(String[] argv)
throws java.io.IOException,
public static void main(String[] argv)
throws java.io.IOException,
java.lang.InterruptedException {
Connection connection = null;
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
connection = factory.newConnection();
Channel channel = connection.createChannel();
Connection connection = null;
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare("task_queue", true, false, false, null);
System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
channel.basicQos(1);
QueueingConsumer consumer = new QueueingConsumer(channel);
channel.basicConsume("task_queue", false, consumer);
while (true) {
QueueingConsumer.Delivery delivery = consumer.nextDelivery();
String body = new String(delivery.getBody());
System.out.println(" [x] Received " + body);
boolean durable = true;
channel.queueDeclare("task_queue", durable, false, false, null);
System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
Thread.sleep( charCount(body, '.') * 1000);
System.out.println(" [x] Done" );
int prefetchCount = 1;
channel.basicQos(prefetchCount);
QueueingConsumer consumer = new QueueingConsumer(channel);
boolean autoAck = false;
channel.basicConsume("task_queue", autoAck, consumer);
while (true) {
QueueingConsumer.Delivery delivery = consumer.nextDelivery();
String body = new String(delivery.getBody());
System.out.println(" [x] Received " + body);
Thread.sleep(doDots(body)); // simulate action
System.out.println(" [x] Done");
// acknowledge
channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
}
channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
}
private static int doDots(String body){
// just do something to get a number for simulation
int x = body.indexOf('.') ;
if (x < 0) return 0;
body = body.substring(x);
return body.length() ;
}
private static int charCount(String body, char theChar){
int count = 0;
for (int index = 0; index < body.length(); index++){
if (theChar == body.charAt(index)) count++;
}
return count;
}
}