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fix for https://issues.apache.org/activemq/browse/AMQ-1023 

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/branches/activemq-4.0@470692 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jonas B. Lim 2006-11-03 06:47:10 +00:00
parent 98269e05cf
commit b4933dae28
8 changed files with 62 additions and 107 deletions
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22
activemq-core/src/main/java/org/apache/activemq/broker/jmx/DestinationView.java
View File

@ -59,39 +59,43 @@ public class DestinationView {
}
public void resetStatistics() {
destination.resetStatistics();
destination.getDestinationStatistics().reset();
}
public long getEnqueueCount() {
return destination.getEnqueueCount();
return destination.getDestinationStatistics().getEnqueues().getCount();
}
public long getDequeueCount() {
return destination.getDequeueCount();
return destination.getDestinationStatistics().getDequeues().getCount();
}
public long getDispatchCount() {
return destination.getDestinationStatistics().getDispatched().getCount();
}
public long getConsumerCount() {
return destination.getConsumerCount();
return destination.getDestinationStatistics().getConsumers().getCount();
}
public long getQueueSize() {
return destination.getQueueSize();
return destination.getDestinationStatistics().getMessages().getCount();
}
public long getMessagesCached() {
return destination.getMessagesCached();
return destination.getDestinationStatistics().getMessagesCached().getCount();
}
public int getMemoryPercentageUsed() {
return destination.getMemoryPercentageUsed();
return destination.getUsageManager().getPercentUsage();
}
public long getMemoryLimit() {
return destination.getMemoryLimit();
return destination.getUsageManager().getLimit();
}
public void setMemoryLimit(long limit) {
destination.setMemoryLimit(limit);
destination.getUsageManager().setLimit(limit);
}
public CompositeData[] browse() throws OpenDataException{

7
activemq-core/src/main/java/org/apache/activemq/broker/jmx/DestinationViewMBean.java
View File

@ -42,7 +42,12 @@ public interface DestinationViewMBean {
public long getEnqueueCount();
/**
* @return The number of messages that have been received from the destination.
* @return The number of messages that have been delivered (potentially not acknowledged) to consumers.
*/
public long getDispatchCount();
/**
* @return The number of messages that have been acknowledged from the destination.
*/
public long getDequeueCount();

10
activemq-core/src/main/java/org/apache/activemq/broker/region/Destination.java
View File

@ -55,15 +55,5 @@ public interface Destination extends Service {
DeadLetterStrategy getDeadLetterStrategy();
public Message[] browse();
public void resetStatistics();
public String getName();
public long getEnqueueCount();
public long getDequeueCount();
public long getConsumerCount();
public long getQueueSize();
public long getMessagesCached();
public int getMemoryPercentageUsed();
public long getMemoryLimit();
public void setMemoryLimit(long limit);
}

20
activemq-core/src/main/java/org/apache/activemq/broker/region/DestinationStatistics.java
View File

@ -35,16 +35,19 @@ public class DestinationStatistics extends StatsImpl {
protected CountStatisticImpl consumers;
protected CountStatisticImpl messages;
protected PollCountStatisticImpl messagesCached;
protected CountStatisticImpl dispatched;
public DestinationStatistics() {
enqueues = new CountStatisticImpl("enqueues", "The number of messages that have been sent to the destination");
dequeues = new CountStatisticImpl("dequeues", "The number of messages that have been dispatched from the destination");
dispatched = new CountStatisticImpl("dispatched", "The number of messages that have been dispatched from the destination");
dequeues = new CountStatisticImpl("dequeues", "The number of messages that have been acknowledged from the destination");
consumers = new CountStatisticImpl("consumers", "The number of consumers that that are subscribing to messages from the destination");
messages = new CountStatisticImpl("messages", "The number of messages that that are being held by the destination");
messagesCached = new PollCountStatisticImpl("messagesCached", "The number of messages that are held in the destination's memory cache");
addStatistic("enqueues", enqueues);
addStatistic("dispatched", dispatched);
addStatistic("dequeues", dequeues);
addStatistic("consumers", consumers);
addStatistic("messages", messages);
@ -75,11 +78,13 @@ public class DestinationStatistics extends StatsImpl {
super.reset();
enqueues.reset();
dequeues.reset();
dispatched.reset();
}
public void setParent(DestinationStatistics parent) {
if (parent != null) {
enqueues.setParent(parent.enqueues);
dispatched.setParent(parent.dispatched);
dequeues.setParent(parent.dequeues);
consumers.setParent(parent.consumers);
messagesCached.setParent(parent.messagesCached);
@ -87,6 +92,7 @@ public class DestinationStatistics extends StatsImpl {
}
else {
enqueues.setParent(null);
dispatched.setParent(null);
dequeues.setParent(null);
consumers.setParent(null);
messagesCached.setParent(null);
@ -98,15 +104,7 @@ public class DestinationStatistics extends StatsImpl {
this.messagesCached = messagesCached;
}
/**
* Called when a message is enqueued to update the statistics.
*/
public void onMessageEnqueue(Message message) {
getEnqueues().increment();
getMessages().increment();
}
public void onMessageDequeue(Message message) {
getDequeues().increment();
public CountStatisticImpl getDispatched() {
return dispatched;
}
}

5
activemq-core/src/main/java/org/apache/activemq/broker/region/PrefetchSubscription.java
View File

@ -108,6 +108,7 @@ abstract public class PrefetchSubscription extends AbstractSubscription{
// Don't remove the nodes until we are committed.
if(!context.isInTransaction()){
dequeueCounter++;
node.getRegionDestination().getDestinationStatistics().getDequeues().increment();
iter.remove();
}else{
// setup a Synchronization to remove nodes from the dispatched list.
@ -116,6 +117,7 @@ abstract public class PrefetchSubscription extends AbstractSubscription{
synchronized(PrefetchSubscription.this){
dequeueCounter++;
dispatched.remove(node);
node.getRegionDestination().getDestinationStatistics().getDequeues().increment();
prefetchExtension--;
}
}
@ -165,6 +167,7 @@ abstract public class PrefetchSubscription extends AbstractSubscription{
}
if(inAckRange){
sendToDLQ(context, node);
node.getRegionDestination().getDestinationStatistics().getDequeues().increment();
iter.remove();
dequeueCounter++;
index++;
@ -319,7 +322,7 @@ abstract public class PrefetchSubscription extends AbstractSubscription{
synchronized protected void onDispatch(final MessageReference node,final Message message){
if(node.getRegionDestination()!=null){
node.getRegionDestination().getDestinationStatistics().onMessageDequeue(message);
node.getRegionDestination().getDestinationStatistics().getDispatched().increment();
context.getConnection().getStatistics().onMessageDequeue(message);
try{
dispatchMatched();

40
activemq-core/src/main/java/org/apache/activemq/broker/region/Queue.java
View File

@ -393,47 +393,10 @@ public class Queue implements Destination {
this.messageGroupHashBucketCount = messageGroupHashBucketCount;
}
public void resetStatistics() {
getDestinationStatistics().reset();
}
public String getName() {
return getActiveMQDestination().getPhysicalName();
}
public long getEnqueueCount() {
return getDestinationStatistics().getEnqueues().getCount();
}
public long getDequeueCount() {
return getDestinationStatistics().getDequeues().getCount();
}
public long getConsumerCount() {
return getDestinationStatistics().getConsumers().getCount();
}
public long getQueueSize() {
return getDestinationStatistics().getMessages().getCount();
}
public long getMessagesCached() {
return getDestinationStatistics().getMessagesCached().getCount();
}
public int getMemoryPercentageUsed() {
return getUsageManager().getPercentUsage();
}
public long getMemoryLimit() {
return getUsageManager().getLimit();
}
public void setMemoryLimit(long limit) {
getUsageManager().setLimit(limit);
}
// Implementation methods
// -------------------------------------------------------------------------
private MessageReference createMessageReference(Message message) {
@ -445,7 +408,8 @@ public class Queue implements Destination {
dispatchValve.increment();
MessageEvaluationContext msgContext = context.getMessageEvaluationContext();
try {
destinationStatistics.onMessageEnqueue(message);
destinationStatistics.getEnqueues().increment();
destinationStatistics.getMessages().increment();
synchronized (messages) {
messages.add(node);
}

36
activemq-core/src/main/java/org/apache/activemq/broker/region/Topic.java
View File

@ -380,46 +380,10 @@ public class Topic implements Destination {
this.deadLetterStrategy = deadLetterStrategy;
}
public void resetStatistics(){
getDestinationStatistics().reset();
}
public String getName() {
return getActiveMQDestination().getPhysicalName();
}
public long getEnqueueCount() {
return getDestinationStatistics().getEnqueues().getCount();
}
public long getDequeueCount() {
return getDestinationStatistics().getDequeues().getCount();
}
public long getConsumerCount() {
return getDestinationStatistics().getConsumers().getCount();
}
public long getQueueSize() {
return getDestinationStatistics().getMessages().getCount();
}
public long getMessagesCached() {
return getDestinationStatistics().getMessagesCached().getCount();
}
public int getMemoryPercentageUsed() {
return getUsageManager().getPercentUsage();
}
public long getMemoryLimit() {
return getUsageManager().getLimit();
}
public void setMemoryLimit(long limit) {
getUsageManager().setLimit(limit);
}
// Implementation methods
// -------------------------------------------------------------------------

27
activemq-core/src/main/java/org/apache/activemq/broker/region/TopicSubscription.java
View File

@ -60,6 +60,9 @@ public class TopicSubscription extends AbstractSubscription{
private final AtomicLong enqueueCounter = new AtomicLong(0);
private final AtomicLong dequeueCounter = new AtomicLong(0);
boolean singleDestination=true;
Destination destination;
public TopicSubscription(Broker broker,ConnectionContext context,ConsumerInfo info,UsageManager usageManager)
throws InvalidSelectorException{
super(broker,context,info);
@ -146,12 +149,22 @@ public class TopicSubscription extends AbstractSubscription{
delivered.addAndGet(ack.getMessageCount());
context.getTransaction().addSynchronization(new Synchronization(){
public void afterCommit() throws Exception{
synchronized( TopicSubscription.this ) {
if( singleDestination ) {
destination.getDestinationStatistics().getDequeues().add(ack.getMessageCount());
}
}
dequeueCounter.addAndGet(ack.getMessageCount());
dispatched.addAndGet(-ack.getMessageCount());
delivered.set(Math.max(0,delivered.get()-ack.getMessageCount()));
}
});
}else{
if( singleDestination ) {
destination.getDestinationStatistics().getDequeues().add(ack.getMessageCount());
}
dequeueCounter.addAndGet(ack.getMessageCount());
dispatched.addAndGet(-ack.getMessageCount());
delivered.set(Math.max(0,delivered.get()-ack.getMessageCount()));
@ -308,15 +321,29 @@ public class TopicSubscription extends AbstractSubscription{
md.setConsumerId(info.getConsumerId());
md.setDestination(node.getRegionDestination().getActiveMQDestination());
dispatched.incrementAndGet();
// Keep track if this subscription is receiving messages from a single destination.
if( singleDestination ) {
if( destination == null ) {
destination = node.getRegionDestination();
} else {
if( destination != node.getRegionDestination() ) {
singleDestination = false;
}
}
}
if(info.isDispatchAsync()){
md.setConsumer(new Runnable(){
public void run(){
node.getRegionDestination().getDestinationStatistics().getDispatched().increment();
node.decrementReferenceCount();
}
});
context.getConnection().dispatchAsync(md);
}else{
context.getConnection().dispatchSync(md);
node.getRegionDestination().getDestinationStatistics().getDispatched().increment();
node.decrementReferenceCount();
}
}