com.lightstreamer.jms

Interface LSSession

All Superinterfaces:

java.lang.AutoCloseable, java.lang.Runnable, Session

public interface LSSession
extends Session

An extension of the Session interface to add the JMS Extender-specific acknowledge modes constants.

Field Summary

Fields

Modifier and Type	Field and Description
static int	INDIVIDUAL_ACKNOWLEDGE With this acknowledgement mode, the client acknowledges a consumed message by calling the message's acknowledge method.
static int	PRE_ACKNOWLEDGE Acknowledgement mode to instruct the session that there's no need to acknowledge the delivery of messages, since they are acknowledged by the JMS Extender before they are sent.

Fields inherited from interface javax.jms.Session

AUTO_ACKNOWLEDGE, CLIENT_ACKNOWLEDGE, DUPS_OK_ACKNOWLEDGE, SESSION_TRANSACTED

Method Summary

Methods inherited from interface javax.jms.Session

close, commit, createBrowser, createBrowser, createBytesMessage, createConsumer, createConsumer, createConsumer, createDurableConsumer, createDurableConsumer, createDurableSubscriber, createDurableSubscriber, createMapMessage, createMessage, createObjectMessage, createObjectMessage, createProducer, createQueue, createSharedConsumer, createSharedConsumer, createSharedDurableConsumer, createSharedDurableConsumer, createStreamMessage, createTemporaryQueue, createTemporaryTopic, createTextMessage, createTextMessage, createTopic, getAcknowledgeMode, getMessageListener, getTransacted, recover, rollback, run, setMessageListener, unsubscribe

Field Detail

PRE_ACKNOWLEDGE

static final int PRE_ACKNOWLEDGE

Acknowledgement mode to instruct the session that there's no need to acknowledge the delivery of messages, since they are acknowledged by the JMS Extender before they are sent.

Use of this mode can greatly improve performance and reduce session overhead, but introduces the risk of receiving duplicates for every message received. It must be used only when messaged duplication is not an issue.

See Also:

Constant Field Values

INDIVIDUAL_ACKNOWLEDGE

static final int INDIVIDUAL_ACKNOWLEDGE

With this acknowledgement mode, the client acknowledges a consumed message by calling the message's acknowledge method.

Differently from Session.CLIENT_ACKNOWLEDGE, in this mode acknowledging a consumed message acknowledges only that single message. Any other message that the session has consumed remain unacknowledged.

See Also:

Constant Field Values