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QA fixes: use StringBuilder, doWork, constant queue name

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This commit is contained in:
Ann 2011-02-15 16:49:18 +00:00
parent ce8c6c6dad
commit 6b1e114575
2 changed files with 37 additions and 29 deletions
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31
java/NewTask.java
View File

@ -1,24 +1,29 @@
import java.io.IOException;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.MessageProperties;
public class NewTask {
private static final String TASK_QUEUE_NAME = "task_queue";
public static void main(String[] argv) throws java.io.IOException {
Connection connection = null;
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
connection = factory.newConnection();
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare("task_queue", true, false, false, null);
channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
String message = getMessage(argv);
channel.basicPublish( "", "task_queue",
channel.basicPublish( "", TASK_QUEUE_NAME,
MessageProperties.PERSISTENT_TEXT_PLAIN,
message.getBytes());
System.out.println(" [x] Sent '" + message + "'");
channel.close();
connection.close();
}
@ -26,14 +31,16 @@ public class NewTask {
private static String getMessage(String[] strings){
if (strings.length < 1)
return "Hello World!";
return joinStrings(strings);
return joinStrings(strings, " ");
}
private static String joinStrings(String[] strings){
String words = "";
for (String astring: strings)
words = words.concat(astring).concat(" ");
return words.trim();
private static String joinStrings(String[] strings, String delimiter) {
int length = strings.length;
if (length == 0) return "";
StringBuilder words = new StringBuilder(strings[0]);
for (int i = 1; i < length; i++) {
words.append(delimiter).append(strings[i]);
}
return words.toString();
}
}
}

35
java/Worker.java
View File

@ -1,44 +1,45 @@
import java.io.IOException;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.QueueingConsumer;
public class Worker {
private static final String TASK_QUEUE_NAME = "task_queue";
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();
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare("task_queue", true, false, false, null);
channel.queueDeclare(TASK_QUEUE_NAME, 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);
channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
while (true) {
QueueingConsumer.Delivery delivery = consumer.nextDelivery();
String body = new String(delivery.getBody());
System.out.println(" [x] Received " + body);
Thread.sleep( charCount(body, '.') * 1000);
System.out.println(" [x] Done" );
System.out.println(" [x] Received '" + body + "'");
doWork(body);
System.out.println(" [x] Done");
channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
}
}
}
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++;
private static void doWork(String task) throws InterruptedException {
for (char ch: task.toCharArray()) {
if (ch == '.') Thread.sleep(1000);
}
}
return count;
}
}
}