Destination Monitor MBean (Sun Java System Message Queue 4.2 Release Notes)

Sun Java System Message Queue 4.2 Release Notes

Destination Monitor MBean

The first set of attributes in the following table support the feature described in Multiple Destinations for a Publisher or Subscriber and the second set of attributes support the enhancement described in New Destination Metrics.

The names of the following attributes are defined as static constants in the utility class com.sun.messaging.jms.management.server.DestinationAttributes.

Table 1–14 Destination Monitor Attributes


Name	Type	Settable?	Description
`NumWildcardProducers`	`Integer`	No	Current number of wildcard message producers associated with the destination For topic destinations only.
`NumWildcardConsumers`	`Integer`	No	Current number of wildcard message consumers associated with the destination For topic destinations only.
`NumWildcards`	`Integer`	No	Current number of wildcard message producers and wildcard message consumers associated with the destination For topic destinations only.
`NumMsgsRemote`	`Long`	No	Current number of messages stored in memory and persistent store that were produced to a remote broker in a cluster. This number does not include messages included in transactions.
`TotalMsgBytesRemote`	`Long`	No	Current total size in bytes of messages stored in memory and persistent store that were produced to a remote broker in a cluster. This value does not include messages included in transactions.

The operations in the following table support the feature described in Multiple Destinations for a Publisher or Subscriber.

The names of the following operations are defined as static constants in the utility class com.sun.messaging.jms.management.server.DestinationOperations.

Table 1–15 Destination Monitor Operations


Name	Parameters	Result Type	Description
`getConsumerWildcards`	none	`String[]`	Wildcard strings used by current consumers associated with the destination For topic destinations only.
`getProducerWildcards`	none	`String[]`	Wildcard strings used by current producers associated with the destination For topic destinations only.
`getWildcards`	none	`String[]`	Wildcard strings used by current consumers and producers associated with the destination For topic destinations only.
`getNumWildcardConsumers`	wildcard-String	`Integer`	Number of current consumers associated with the destination that are using the specified wildcard string For topic destinations only.
`getNumWildcardProducers`	wildcard-String	`Integer`	Number of current producers associated with the destination that are using the specified wildcard string For topic destinations only.