QPID-2177: expose Capacity, FlowResumeCapacity, and FlowOverfull as attributes of the Queue MBeans

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@888248 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 47 insertions, 1 deletions

diff --git a/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueue.java b/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueue.java
index c9d20c53e4..a459c64946 100644
--- a/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueue.java
+++ b/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueue.java
@@ -186,7 +186,7 @@ public interface AMQQueue extends Managable, Comparable<AMQQueue>, ExchangeRefer
 
     void setFlowResumeCapacity(long flowResumeCapacity);
 
-
+    boolean isOverfull();
 
     void deleteMessageFromTop();
 
diff --git a/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueueMBean.java b/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueueMBean.java
index eafc73dc97..021128d2fc 100644
--- a/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueueMBean.java
+++ b/java/broker/src/main/java/org/apache/qpid/server/queue/AMQQueueMBean.java
@@ -241,6 +241,41 @@ public class AMQQueueMBean extends AMQManagedObject implements ManagedQueue, Que
         return _queue.getQueueDepth();
     }
 
+    public Long getCapacity()
+    {
+        return _queue.getCapacity();
+    }
+
+    public void setCapacity(Long capacity) throws IllegalArgumentException
+    {
+        if( _queue.getFlowResumeCapacity() > capacity )
+        {
+            throw new IllegalArgumentException("Capacity must not be less than FlowResumeCapacity");
+        }
+        
+    	_queue.setCapacity(capacity);
+    }
+
+    public Long getFlowResumeCapacity()
+    {
+        return _queue.getFlowResumeCapacity();
+    }
+
+    public void setFlowResumeCapacity(Long flowResumeCapacity) throws IllegalArgumentException
+    {
+        if( _queue.getCapacity() < flowResumeCapacity )
+        {
+            throw new IllegalArgumentException("FlowResumeCapacity must not exceed Capacity");
+        }
+        
+        _queue.setFlowResumeCapacity(flowResumeCapacity);
+    }
+    
+    public boolean isFlowOverfull()
+    {
+        return _queue.isOverfull();
+    }
+
     /**
      * Checks if there is any notification to be send to the listeners
      */
diff --git a/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java b/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java
index d7d0414936..b4cebda09a 100644
--- a/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java
+++ b/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java
@@ -1799,8 +1799,14 @@ public class SimpleAMQQueue implements AMQQueue, Subscription.StateListener
     public void setFlowResumeCapacity(long flowResumeCapacity)
     {
         _flowResumeCapacity = flowResumeCapacity;
+        
+        checkCapacity();
     }
 
+    public boolean isOverfull()
+    {
+        return _overfull.get();
+    }
 
     public Set<NotificationCheck> getNotificationChecks()
     {
diff --git a/java/broker/src/test/java/org/apache/qpid/server/queue/MockAMQQueue.java b/java/broker/src/test/java/org/apache/qpid/server/queue/MockAMQQueue.java
index 7c1f728664..910c7d42ed 100644
--- a/java/broker/src/test/java/org/apache/qpid/server/queue/MockAMQQueue.java
+++ b/java/broker/src/test/java/org/apache/qpid/server/queue/MockAMQQueue.java
@@ -426,4 +426,9 @@ public class MockAMQQueue implements AMQQueue
     {
         return _name.toString();
     }
+
+    public boolean isOverfull()
+    {
+        return false;
+    }
 }