eu.semaine.jms.sender
Class StateSender

java.lang.Object
  eu.semaine.jms.IOBase
      eu.semaine.jms.sender.Sender
          eu.semaine.jms.sender.XMLSender
              eu.semaine.jms.sender.StateSender

public class StateSender
extends XMLSender

An abstraction of Sender for state data.

Author:

marc

Nested Class Summary

Nested classes/interfaces inherited from class eu.semaine.jms.IOBase

IOBase.Event

Field Summary

Fields inherited from class eu.semaine.jms.sender.Sender

datatype, period, producer, source

Fields inherited from class eu.semaine.jms.IOBase

connection, isConnectionStarted, jmsPassword, jmsUrl, jmsUser, session, topic, topicName

Constructor Summary

StateSender(java.lang.String topicName, StateInfo.Type datatype, java.lang.String source)
Create a new Sender to the given topic on the default JMS server.

StateSender(java.lang.String jmsUrl, java.lang.String jmsUser, java.lang.String jmsPassword, java.lang.String topicName, java.lang.String datatype, java.lang.String source)
Create a new Sender to the given topic on the given JMS server.

Method Summary

void	sendStateInfo(StateInfo s, long usertime) Send the given state information.
void	sendStateInfo(StateInfo s, long usertime, java.lang.String contentID, long contentCreationTime) Send the given state information.

Methods inherited from class eu.semaine.jms.sender.XMLSender

fillMessageProperties, sendXML, sendXML, sendXML, sendXML

Methods inherited from class eu.semaine.jms.sender.Sender

fillMessageProperties, getDatatype, getPeriod, getSource, getTimeToLive, initialise, isEventBased, isPeriodic, main, sendTextMessage, sendTextMessage, sendTextMessage, sendTextMessage, setEventBased, setPeriodic, setTimeToLive

Methods inherited from class eu.semaine.jms.IOBase

getConnection, getJMSUrl, getSession, getTopic, getTopicName, startConnection

Methods inherited from class java.lang.Object

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

Constructor Detail

StateSender

public StateSender(java.lang.String topicName,
                   StateInfo.Type datatype,
                   java.lang.String source)
            throws javax.jms.JMSException

Create a new Sender to the given topic on the default JMS server. The default JMS server is determined as follows:

• jms URL: read from system property jms.url, default value tcp://localhost:61616;
• jms User: read from system property jms.user, default value null;
• jms Password: read from system property jms.password, default value null.

Datatype and source will be sent with every message.

Parameters:

topic - the name of the topic to send to.

datatype - the name of the type of data being sent.

source - the name of the component sending the data.

Throws:

java.lang.NullPointerException - if any of the parameters topicName, datatype, or source are null.

javax.jms.JMSException

StateSender

public StateSender(java.lang.String jmsUrl,
                   java.lang.String jmsUser,
                   java.lang.String jmsPassword,
                   java.lang.String topicName,
                   java.lang.String datatype,
                   java.lang.String source)
            throws javax.jms.JMSException

Create a new Sender to the given topic on the given JMS server. Datatype and source will be sent with every message.

Parameters:

jmsUrl - the url where to contact the JMS server

jmsUser - the username to use (can be null)

jmsPassword - the password to use (can be null)

topic - the name of the topic to send to.

datatype - the name of the type of data being sent.

source - the name of the component sending the data.

Throws:

javax.jms.JMSException

java.lang.NullPointerException - if any of the parameters jmsUrl, topicName, datatype, or source are null.

Method Detail

sendStateInfo

public void sendStateInfo(StateInfo s,
                          long usertime)
                   throws javax.jms.JMSException

Send the given state information.

Parameters:

s - a state information

usertime - the "user" time at which this message is being sent, in milliseconds since system startup.

Throws:

java.lang.IllegalStateException - if the connection is not started or the sender is in periodic mode.

javax.jms.JMSException

sendStateInfo

public void sendStateInfo(StateInfo s,
                          long usertime,
                          java.lang.String contentID,
                          long contentCreationTime)
                   throws javax.jms.JMSException

Send the given state information.

Parameters:

s - a state information

usertime - the "user" time at which this message is being sent, in milliseconds since system startup.

contentID - a unique identifier for the message's content. If this is not null, it will cause the addition of the String property content-id in the message.

contentCreationTime - the time when the content in this message was created. If this is not negative, it will cause the addition of the Long property content-creation-time in the message.

Throws:

java.lang.IllegalStateException - if the connection is not started or the sender is in periodic mode.

javax.jms.JMSException