Sun Java System Message Queue 4.1 Developer's Guide for JMX Clients

Attributes

The cluster configuration MBean has the attributes shown in Table 3–74. The names of these attributes are defined as static constants in the utility class ClusterAttributes.

Table 3–74 Cluster Configuration Attributes

Name 

Type 

Settable? 

Description 

HighlyAvailable

Boolean

No 

High-availability (HA) cluster?

ClusterID [HA clusters only]

String

No 

Cluster identifier

Must be unique; no two running clusters may have the same cluster identifier.  

This identifier is appended to the names of all database tables in the cluster’s shared persistent store. Must be an alphanumeric string of no more than n - 13 characters, where n is the maximum table name length allowed by the database.


Note –

For brokers belonging to an HA cluster, this attribute is used in database table names in place of the BrokerID (see Table 3–1).


ConfigFileURL [Conventional clusters only]

String

Yes 

URL of cluster configuration file

LocalBrokerInfo

CompositeData

No 

Descriptive information about local broker 

The value returned is a JMX CompositeData object describing the broker; see Table 3–76 for lookup keys used with this object.

MasterBrokerInfo

CompositeData

No 

Descriptive information about master broker 

The value returned is a JMX CompositeData object describing the master broker; see Table 3–76 for lookup keys used with this object.