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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_02) on Thu Nov 13 17:20:39 PST 2003 --><TITLE>MessageProducer (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.jms.MessageProducer interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="MessageProducer (Java 2 Platform Ent. 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Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/jms/MessageListener.html" title="interface in javax.jms"><B>PREV CLASS</B></A> <A HREF="../../javax/jms/ObjectMessage.html" title="interface in javax.jms"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="MessageProducer.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.jms</FONT><BR>Interface MessageProducer</H2><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../javax/jms/QueueSender.html" title="interface in javax.jms">QueueSender</A>, <A HREF="../../javax/jms/TopicPublisher.html" title="interface in javax.jms">TopicPublisher</A></DD></DL><HR><DL><DT>public interface <B>MessageProducer</B></DL><P>A client uses a <CODE>MessageProducer</CODE> object to send messages to a destination. A <CODE>MessageProducer</CODE> object is created by passing a <CODE>Destination</CODE> object to a message-producer creation method supplied by a session. <P><CODE>MessageProducer</CODE> is the parent interface for all message producers. <P>A client also has the option of creating a message producer without supplying a destination. In this case, a destination must be provided with every send operation. A typical use for this kind of message producer is to send replies to requests using the request's <CODE>JMSReplyTo</CODE> destination. <P>A client can specify a default delivery mode, priority, and time to live for messages sent by a message producer. It can also specify the delivery mode, priority, and time to live for an individual message. <P>A client can specify a time-to-live value in milliseconds for each message it sends. This value defines a message expiration time that is the sum of the message's time-to-live and the GMT when it is sent (for transacted sends, this is the time the client sends the message, not the time the transaction is committed). <P>A JMS provider should do its best to expire messages accurately; however, the JMS API does not define the accuracy provided.<P><P><DL><DT><B>Version:</B></DT> <DD>1.1 - February 2, 2002</DD><DT><B>Author:</B></DT> <DD>Mark Hapner, Rich Burridge, Kate Stout</DD><DT><B>See Also:</B><DD><A HREF="../../javax/jms/TopicPublisher.html" title="interface in javax.jms"><CODE>TopicPublisher</CODE></A>, <A HREF="../../javax/jms/QueueSender.html" title="interface in javax.jms"><CODE>QueueSender</CODE></A>, <A HREF="../../javax/jms/Session.html#createProducer(javax.jms.Destination)"><CODE>Session.createProducer(javax.jms.Destination)</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#close()">close</A></B>()</CODE><BR> Closes the message producer. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#getDeliveryMode()">getDeliveryMode</A></B>()</CODE><BR> Gets the producer's default delivery mode.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/jms/Destination.html" title="interface in javax.jms">Destination</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#getDestination()">getDestination</A></B>()</CODE><BR> Gets the destination associated with this <CODE>MessageProducer</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#getDisableMessageID()">getDisableMessageID</A></B>()</CODE><BR> Gets an indication of whether message IDs are disabled.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#getDisableMessageTimestamp()">getDisableMessageTimestamp</A></B>()</CODE><BR> Gets an indication of whether message timestamps are disabled.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#getPriority()">getPriority</A></B>()</CODE><BR> Gets the producer's default priority.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#getTimeToLive()">getTimeToLive</A></B>()</CODE><BR> Gets the default length of time in milliseconds from its dispatch time that a produced message should be retained by the message system.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#send(javax.jms.Destination, javax.jms.Message)">send</A></B>(<A HREF="../../javax/jms/Destination.html" title="interface in javax.jms">Destination</A> destination, <A HREF="../../javax/jms/Message.html" title="interface in javax.jms">Message</A> message)</CODE><BR> Sends a message to a destination for an unidentified message producer. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#send(javax.jms.Destination, javax.jms.Message, int, int, long)">send</A></B>(<A HREF="../../javax/jms/Destination.html" title="interface in javax.jms">Destination</A> destination, <A HREF="../../javax/jms/Message.html" title="interface in javax.jms">Message</A> message, int deliveryMode, int priority, long timeToLive)</CODE><BR> Sends a message to a destination for an unidentified message producer, specifying delivery mode, priority and time to live. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#send(javax.jms.Message)">send</A></B>(<A HREF="../../javax/jms/Message.html" title="interface in javax.jms">Message</A> message)</CODE><BR> Sends a message using the <CODE>MessageProducer</CODE>'s default delivery mode, priority, and time to live.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/jms/MessageProducer.html#send(javax.jms.Message, int, int, long)">send</A></B>(<A HREF="../../javax/jms/Message.html" title="interface in javax.jms">Message</A> message, int deliveryMode, int priority, long timeToLive)</CODE><BR> Sends a message to the destination, specifying delivery mode, priority, and time to live.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD>⌨️ 快捷键说明
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