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Generate Channel IDs in a pseudorandom fashion

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Requested by @psweeny in #547

Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
This commit is contained in:
Cruz Julian Bishop 2012-08-25 13:43:02 +10:00
parent 573fbfa518
commit 93c990dd7a
1 changed files with 10 additions and 4 deletions
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14
src/main/java/org/jboss/netty/channel/AbstractChannel.java
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@ -16,6 +16,7 @@
package org.jboss.netty.channel;
import java.net.SocketAddress;
import java.util.Random;
import java.util.concurrent.ConcurrentMap;
import org.jboss.netty.util.internal.ConcurrentHashMap;
@ -27,8 +28,14 @@ public abstract class AbstractChannel implements Channel {
static final ConcurrentMap<Integer, Channel> allChannels = new ConcurrentHashMap<Integer, Channel>();
private static final Random random = new Random();
public static Random getRandom() {
return random;
}
private static Integer allocateId(Channel channel) {
Integer id = System.identityHashCode(channel);
Integer id = random.nextInt();
for (;;) {
// Loop until a unique ID is acquired.
// It should be found in one loop practically.
@ -139,12 +146,11 @@ public abstract class AbstractChannel implements Channel {
}
/**
* Returns the {@linkplain System#identityHashCode(Object) identity hash code}
* of this channel.
* Returns the ID of this channel.
*/
@Override
public final int hashCode() {
return System.identityHashCode(this);
return this.id;
}
/**