Include the prefetch size in the JMX stats of a subscription

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@397982 13f79535-47bb-0310-9956-ffa450edef68

activemq-core/src/main/java/org/apache/activemq/broker/jmx/SubscriptionView.java

@@ -210,4 +210,10 @@ public class SubscriptionView implements SubscriptionViewMBean {
         return "SubscriptionView: " + getClientId()  + ":" +  getConnectionId();
     }
 
+    /**
+     */
+    public int getPrefetchSize() {
+        return subscription != null ? subscription.getPrefetchSize() : 0;
+    }
+
 }

activemq-core/src/main/java/org/apache/activemq/broker/jmx/SubscriptionViewMBean.java

@@ -101,4 +101,8 @@ public interface SubscriptionViewMBean{
      */
     long getDequeueCounter();
 
+    /**
+     * @return the prefetch that has been configured for this subscriber
+     */
+    public int getPrefetchSize();
 }

activemq-core/src/main/java/org/apache/activemq/broker/region/AbstractSubscription.java

@@ -150,4 +150,8 @@ abstract public class AbstractSubscription implements Subscription {
     public void setObjectName(ObjectName objectName) {
         this.objectName = objectName;
     }
+    
+    public int getPrefetchSize() {
+        return info.getPrefetchSize();
+    }
 }

activemq-core/src/main/java/org/apache/activemq/broker/region/Subscription.java

@@ -176,4 +176,9 @@ public interface Subscription {
      */
     public void destroy();
 
+    /**
+     * @return the prefetch size that is configured for the subscription
+     */
+    int getPrefetchSize();
+
 }