当前页面:
在线文档首页 >
Java Platform, Enterprise Edition v1.3.1 API Specifications
Java 2 Platform EE v1.3: Interface TopicConnection - Java Platform, Enterprise Edition v1.3.1 API Specifications
javax.jms
Interface TopicConnection
- All Superinterfaces:
- Connection
- All Known Subinterfaces:
- XATopicConnection
- public interface TopicConnection
- extends Connection
A TopicConnection
object is an active connection to a
publish/subscribe JMS provider. A client uses a TopicConnection
object to create one or more TopicSession
objects
for producing and consuming messages.
- See Also:
Connection
,
TopicConnectionFactory
createTopicSession
public TopicSession createTopicSession(boolean transacted,
int acknowledgeMode)
throws JMSException
- Creates a
TopicSession
object.
- Parameters:
transacted
- indicates whether the session is transactedacknowledgeMode
- indicates whether the consumer or the
client will acknowledge any messages it receives; ignored if the session
is transacted. Legal values are Session.AUTO_ACKNOWLEDGE
,
Session.CLIENT_ACKNOWLEDGE
, and
Session.DUPS_OK_ACKNOWLEDGE
.- Returns:
- a newly created topic session
- Throws:
JMSException
- if the TopicConnection
object fails
to create a session due to some internal error or
lack of support for the specific transaction
and acknowledgement mode.- See Also:
Session.AUTO_ACKNOWLEDGE
,
Session.CLIENT_ACKNOWLEDGE
,
Session.DUPS_OK_ACKNOWLEDGE
createConnectionConsumer
public ConnectionConsumer createConnectionConsumer(Topic topic,
java.lang.String messageSelector,
ServerSessionPool sessionPool,
int maxMessages)
throws JMSException
- Creates a connection consumer for this connection (optional operation).
This is an expert facility not used by regular JMS clients.
- Parameters:
topic
- the topic to accessmessageSelector
- only messages with properties matching the
message selector expression are delivered. A value of null or
an empty string indicates that there is no message selector
for the message consumer.sessionPool
- the server session pool to associate with this
connection consumermaxMessages
- the maximum number of messages that can be
assigned to a server session at one time- Returns:
- the connection consumer
- Throws:
JMSException
- if the TopicConnection
object fails
to create a connection consumer due to some
internal error or invalid arguments for
sessionPool
and
messageSelector
.InvalidDestinationException
- if an invalid topic is specified.InvalidSelectorException
- if the message selector is invalid.- See Also:
ConnectionConsumer
createDurableConnectionConsumer
public ConnectionConsumer createDurableConnectionConsumer(Topic topic,
java.lang.String subscriptionName,
java.lang.String messageSelector,
ServerSessionPool sessionPool,
int maxMessages)
throws JMSException
- Create a durable connection consumer for this connection (optional operation).
This is an expert facility not used by regular JMS clients.
- Parameters:
topic
- the topic to accesssubscriptionName
- durable subscription namemessageSelector
- only messages with properties matching the
message selector expression are delivered. A value of null or
an empty string indicates that there is no message selector
for the message consumer.sessionPool
- the server session pool to associate with this
durable connection consumermaxMessages
- the maximum number of messages that can be
assigned to a server session at one time- Returns:
- the durable connection consumer
- Throws:
JMSException
- if the TopicConnection
object fails
to create a connection consumer due to some
internal error or invalid arguments for
sessionPool
and
messageSelector
.InvalidDestinationException
- if an invalid topic is specified.InvalidSelectorException
- if the message selector is invalid.- See Also:
ConnectionConsumer