102 lines
5.6 KiB
HTML
102 lines
5.6 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="DC.Title" content="VMessageQueue class" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>VMessageQueue class</title>
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</head>
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<body id="vmsgq"><a name="vmsgq"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">VMessageQueue class</h1>
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<div><p></p>
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<div class="section"><p>A <a href="javadoc/com/ibm/as400/vaccess/VMessageQueue.html#NAVBAR_TOP"> VMessageQueue</a> object is a resource that
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represents the messages in a server message queue for use in <a href="vpanes.htm#vpanes">AS400Panes</a>.</p>
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</div>
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<div class="section"><p>To use a VMessageQueue, set the system and path properties. These
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properties can be set using a constructor or through the <a href="javadoc/com/ibm/as400/vaccess/VMessageQueue.html#SETSYSTEM(COM.IBM.AS400.ACCESS.AS400)"> setSystem()</a> and <a href="javadoc/com/ibm/as400/vaccess/VMessageQueue.html#SETPATH(JAVA.LANG.STRING)"> setPath()</a> methods. The VMessageQueue object
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is then "plugged" into the AS400Pane as the root by using the constructor
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or setRoot() method of the AS400Pane.</p>
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</div>
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<div class="section"><p>VMessageQueue has some other useful properties for defining the
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set of messages that are presented in AS400Panes. Use <a href="javadoc/com/ibm/as400/vaccess/VMessageQueue.html#SETSEVERITY(INT)"> setSeverity()</a> to specify the severity of
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messages that appear. Use <a href="javadoc/com/ibm/as400/vaccess/VMessageQueue.html#SETSELECTION(JAVA.LANG.STRING)"> setSelection()</a> to specify the type of messages
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that appear.</p>
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</div>
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<div class="section"><p>When AS400Pane and VMessageQueue objects are created, they are
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initialized to a default state. The list of messages is not loaded at creation
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time. To load the contents, the caller must explicitly call the load() method
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on either object. This will initiate communication to the server to gather
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the contents of the list.</p>
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</div>
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<div class="section"><p>At run-time, a user can perform actions on a message or message
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queue by right-clicking it to display the context menu. The context menu
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for message queues can include the following items:</p>
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</div>
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<div class="section"><ul><li><strong>Clear</strong> - clears the message queue</li>
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<li><strong>Properties</strong> - allows the user to set the severity and selection
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properties. This may be used to change the contents of the list</li>
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</ul>
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</div>
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<div class="section"><p>The following action is available for messages on a message queue: </p>
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</div>
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<div class="section"><ul><li><strong>Remove</strong> - removes the message from the message queue</li>
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<li><strong>Reply</strong> - replies to an inquiry message</li>
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<li><strong>Properties</strong> - displays properties such as the severity, type, and
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date</li>
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</ul>
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</div>
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<div class="section"><p>Of course, users can only access message queues to which they
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are authorized. In addition, the caller can prevent the user from performing
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actions by using the setAllowActions() method on the pane.</p>
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</div>
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<div class="section"><p>The following example creates a VMessageQueue and presents it
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in an AS400ExplorerPane:</p>
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</div>
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<div class="section"><div class="p"><pre> // Create the VMessageQueue object.
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// Assume that "system" is an AS400
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// object created and initialized
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// elsewhere.
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VMessageQueue root = new VMessageQueue (system, "/QSYS.LIB/MYLIB.LIB/MYMSGQ.MSGQ");
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// Create and load an
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// AS400ExplorerPane object.
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AS400ExplorerPane explorerPane = new AS400ExplorerPane (root);
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explorerPane.load ();
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// Add the explorer pane to a frame.
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// Assume that "frame" is a JFrame
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// created elsewhere.
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frame.getContentPane ().add (explorerPane);</pre>
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<strong>Example</strong></div>
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</div>
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<div class="section"><p>Present the list of messages in a message queue using an AS400ExplorerPane
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with a <a href="vmessagequeueexample.htm#vmessagequeueexample">VMessageQueue</a> object.
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Figure 1 shows the VMessageQueue graphical user interface component:</p>
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</div>
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<div class="section"><p><strong>Figure 1: VMessageQueue GUI component</strong></p>
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</div>
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<div class="section"><p><img src="rzahh091.gif" alt="VMessageQueue GUI component" /></p>
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</div>
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</div>
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</body>
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</html> |