Connection Manager Monitor

Each broker has a single connection manager monitor MBean, used for managing all of the broker's connection monitor MBeans.

Object Name

The connection manager monitor MBean has the following object name:

com.sun.messaging.jms.server:type=ConnectionManager,subtype=Monitor

A string representing this object name is defined as a static constant CONNECTION_MANAGER_MONITOR_MBEAN_NAME in the utility class MQObjectName.

Attributes

The connection manager monitor MBean has the attributes shown in Table 3–28. The names of these attributes are defined as static constants in the utility class ConnectionAttributes.

Table 3–28 Connection Manager Monitor Attributes

Name	Type	Settable?	Description
NumConnections	Integer	No	Current number of connections
NumConnectionsOpened	Long	No	Cumulative number of connections opened since broker started
NumConnectionsRejected	Long	No	Cumulative number of connections rejected since broker started

Operation

The connection manager monitor MBean supports the operation shown in Table 3–29. The name of this operation is defined as a static constant in the utility class ConnectionOperations.

Table 3–29 Connection Manager Monitor Operation

Name	Parameters	Result Type	Description
getConnections	None	ObjectName[]	Object names of connection monitor MBeans for all current connections

Notifications

The connection manager monitor MBean supports the notifications shown in Table 3–30. These notifications are instances of the Message Queue JMX class ConnectionNotification, and their names are defined as static constants in that class.

Table 3–30 Connection Manager Monitor Notifications

Name	Utility Constant	Description
mq.connection.open	ConnectionNotification.CONNECTION_OPEN	Connection opened
mq.connection.reject	ConnectionNotification.CONNECTION_REJECT	Connection rejected
mq.connection.close	ConnectionNotification.CONNECTION_CLOSE	Connection closed

Table 3–31 shows the methods defined in class ConnectionNotification for obtaining details about a connection manager monitor notification.

Table 3–31 Data Retrieval Methods for Connection Manager Monitor Notifications

Method	Result Type	Description
getConnectionID	String	Connection identifier
getRemoteHost	String	Host from which connection was made
getServiceName	String	Connection service name
getUserName	String	User name