Package org.objectweb.joram.client.jms.admin

Class AdminRequestor

java.lang.Object

org.objectweb.joram.client.jms.admin.AdminRequestor

public final class AdminRequestor
extends Object

The AdminRequestor class allows making administration service requests. The AdminRequestor constructor is given a Connection, it creates a session and a TemporaryTopic for the responses. It provides a request method that sends the request message to the administration topic of the connected server and waits for its reply.

See Also:

AdminWrapper

Field Summary

Fields

Modifier and Type	Field	Description
private MessageConsumer	consumer
static long	DEFAULT_REQUEST_TIMEOUT	Defines the default value for timeout before aborting a request.
static org.objectweb.util.monolog.api.Logger	logger
private MessageProducer	producer
static String	REQUEST_TIMEOUT_PROP	Property allowing to set the timeout before aborting a request.
private long	requestTimeout	Defines the maximum time in milliseconds before aborting a request.
private Session	session
private TemporaryTopic	tmpTopic
private Topic	topic

Constructor Summary

Constructors

Constructor	Description
AdminRequestor(Connection cnx)	Constructor for the AdminRequestor class.

Method Summary

Modifier and Type	Method	Description
void	abort()	Aborts the running request.
void	close()	Closes the AdminRequestor and its session.
long	getRequestTimeout()	Returns the maximum time in ms before aborting a request.
org.objectweb.joram.shared.admin.AdminReply	request(org.objectweb.joram.shared.admin.AdminRequest request)	Sends an administration request and waits for a reply.
void	setRequestTimeout(long requestTimeout)	Set the maximum time in ms before aborting arequest.
private void	throwException(org.objectweb.joram.shared.admin.AdminReply reply)	Throws an exception corresponding to the error code of the reply if needed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

session

private Session session

topic

private Topic topic

tmpTopic

private TemporaryTopic tmpTopic

producer

private MessageProducer producer

consumer

private MessageConsumer consumer

REQUEST_TIMEOUT_PROP

public static final String REQUEST_TIMEOUT_PROP

Property allowing to set the timeout before aborting a request.

See Also:

requestTimeout, Constant Field Values

DEFAULT_REQUEST_TIMEOUT

public static final long DEFAULT_REQUEST_TIMEOUT

Defines the default value for timeout before aborting a request.

Default value is 60.000 ms.

See Also:

requestTimeout, Constant Field Values

requestTimeout

private long requestTimeout

Defines the maximum time in milliseconds before aborting a request.

Default value is 60.000 ms.

This value can be adjusted by setting org.objectweb.joram.client.jms.admin.requestTimeout property.

Since:

5.2.2

See Also:

DEFAULT_REQUEST_TIMEOUT, REQUEST_TIMEOUT_PROP

logger

public static org.objectweb.util.monolog.api.Logger logger

Constructor Detail

AdminRequestor

public AdminRequestor(Connection cnx)
               throws JMSException

Constructor for the AdminRequestor class. This implementation assumes an unified connection and uses a non-transacted session with an AUTO_ACKNOWLEDGE delivery mode. The Connection needs to be started.

Parameters:

cnx - A Joram connection.

Throws:

JMSException - if Joram fails to create the AdminRequestor due to some internal error.

Method Detail

setRequestTimeout

public void setRequestTimeout(long requestTimeout)

Set the maximum time in ms before aborting arequest.

Parameters:

requestTimeout - the maximum time in ms before aborting request.

Since:

5.2.2

getRequestTimeout

public long getRequestTimeout()

Returns the maximum time in ms before aborting a request.

Returns:

the maximum time in ms before aborting request.

Since:

5.2.2

request

public org.objectweb.joram.shared.admin.AdminReply request(org.objectweb.joram.shared.admin.AdminRequest request)
                                                    throws AdminException,
                                                           ConnectException

Sends an administration request and waits for a reply. A temporary topic is used for the JMSReplyTo destination and the request JMSMessageID as JMSCorrelationID to select the corresponding reply; any other replies are discarded.

Parameters:

request - the administration request to send

Returns:

the reply message

Throws:

AdminException - internal error.

ConnectException - network error.

throwException

private final void throwException(org.objectweb.joram.shared.admin.AdminReply reply)
                           throws AdminException

Throws an exception corresponding to the error code of the reply if needed.

Parameters:

reply - The reply to verify.

Throws:

AdminException - The exception corresponding to the error code in the reply.

abort

public void abort()
           throws ConnectException

Aborts the running request.

Throws:

ConnectException - A problem occurs with the connection.

close

public void close()

Closes the AdminRequestor and its session. All internals allocated resources are closed and freed. Note that this method does not close the Connection object passed to the AdminRequestor constructor.