Removed MessageSelector awareness from the PointToPointChannel implementation.

This commit is contained in:
Mark Fisher
2008-01-09 13:17:23 +00:00
parent 012953f418
commit 318a34593d
2 changed files with 2 additions and 118 deletions

View File

@@ -22,10 +22,9 @@ import java.util.concurrent.TimeUnit;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.integration.message.Message;
import org.springframework.integration.message.MessageSelector;
/**
* Simple implementation of a point-to-point message channel. Each Messages is
* Simple implementation of a message channel. Each {@link Message} is
* placed in a queue whose capacity may be specified upon construction. If no
* capacity is specified, the {@link #DEFAULT_CAPACITY} will be used.
*
@@ -165,49 +164,4 @@ public class PointToPointChannel implements MessageChannel, BeanNameAware {
}
}
/**
* Receive the first message that is accepted by the specified selector
* starting from the head of the queue. If the queue is empty, this method
* will block until the allotted timeout elapses. If the specified timeout
* is less than 1, the method will return immediately.
*
* @param selector the selector to use
* @param timeout the timeout in milliseconds
*
* @return the first accepted message or <code>null</code> in case the
* selector does not accept any message within the allotted time or the
* receiving thread is interrupted.
*/
public Message receive(MessageSelector selector, long timeout) {
long start = System.currentTimeMillis();
while (timeout <= 0 || System.currentTimeMillis() - start < timeout) {
Object[] elements = this.queue.toArray();
for (int i = (elements.length - 1); i >= 0; i--) {
Message<?> m = (Message<?>) elements[i];
if (selector.accept(m) && this.queue.remove(m)) {
return m;
}
}
if (timeout == 0) {
return null;
}
}
return null;
}
/**
* Receive the first message that is accepted by the specified selector
* starting from the head of the queue. If the queue is empty, this method
* will block.
*
* @param selector the selector to use
*
* @return the first accepted message or <code>null</code> in case the
* selector does not accept any message or the receiving thread is
* interrupted.
*/
public Message receive(MessageSelector selector) {
return this.receive(selector, -1);
}
}