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| <h2 title="Interface ServerSession" class="title">Interface ServerSession</h2> |
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| <pre>public interface <span class="typeNameLabel">ServerSession</span></pre> |
| <div class="block">A <code>ServerSession</code> object is an application server object that is used by a server to associate a thread with a |
| Jakarta Messaging session (optional). |
| |
| <p> |
| A <code>ServerSession</code> implements two methods: |
| |
| <ul> |
| <li><code>getSession</code> - returns the <code>ServerSession</code>'s Jakarta Messaging session. |
| <li><code>start</code> - starts the execution of the <code>ServerSession</code> thread and results in the execution of the JMS |
| session's <code>run</code> method. |
| </ul> |
| |
| <p> |
| A <code>ConnectionConsumer</code> implemented by a Jakarta Messaging provider uses a <code>ServerSession</code> to process one or more |
| messages that have arrived. It does this by getting a <code>ServerSession</code> from the <code>ConnectionConsumer</code>'s |
| <code>ServerSessionPool</code>; getting the <code>ServerSession</code>'s Jakarta Messaging session; loading it with the messages; and then |
| starting the <code>ServerSession</code>. |
| |
| <p> |
| In most cases the <code>ServerSession</code> will register some object it provides as the <code>ServerSession</code>'s thread |
| run object. The <code>ServerSession</code>'s <code>start</code> method will call the thread's <code>start</code> method, which will |
| start the new thread, and from it, call the <code>run</code> method of the <code>ServerSession</code>'s run object. This object |
| will do some housekeeping and then call the <code>Session</code>'s <code>run</code> method. When <code>run</code> returns, the |
| <code>ServerSession</code>'s run object can return the <code>ServerSession</code> to the <code>ServerSessionPool</code>, and the |
| cycle starts again. |
| |
| <p> |
| Note that the Jakarta Messaging API does not architect how the <code>ConnectionConsumer</code> loads the <code>Session</code> with messages. |
| Since both the <code>ConnectionConsumer</code> and <code>Session</code> are implemented by the same Jakarta Messaging provider, they can |
| accomplish the load using a private mechanism.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>JMS 1.0</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../jakarta/jms/ServerSessionPool.html" title="interface in jakarta.jms"><code>ServerSessionPool</code></a>, |
| <a href="../../jakarta/jms/ConnectionConsumer.html" title="interface in jakarta.jms"><code>ConnectionConsumer</code></a></dd> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <td class="colFirst"><code><a href="../../jakarta/jms/Session.html" title="interface in jakarta.jms">Session</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/jms/ServerSession.html#getSession--">getSession</a></span>()</code> |
| <div class="block">Return the <code>ServerSession</code>'s <code>Session</code>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/jms/ServerSession.html#start--">start</a></span>()</code> |
| <div class="block">Cause the <code>Session</code>'s <code>run</code> method to be called to process messages that were just assigned to it.</div> |
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| <h4>getSession</h4> |
| <pre><a href="../../jakarta/jms/Session.html" title="interface in jakarta.jms">Session</a> getSession() |
| throws <a href="../../jakarta/jms/JMSException.html" title="class in jakarta.jms">JMSException</a></pre> |
| <div class="block">Return the <code>ServerSession</code>'s <code>Session</code>. This must be a <code>Session</code> created by the same |
| <code>Connection</code> that will be dispatching messages to it. The provider will assign one or more messages to the |
| <code>Session</code> and then call <code>start</code> on the <code>ServerSession</code>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the server session's session</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../jakarta/jms/JMSException.html" title="class in jakarta.jms">JMSException</a></code> - if the Jakarta Messaging provider fails to get the associated session for this <code>ServerSession</code> due to |
| some internal error.</dd> |
| </dl> |
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| <h4>start</h4> |
| <pre>void start() |
| throws <a href="../../jakarta/jms/JMSException.html" title="class in jakarta.jms">JMSException</a></pre> |
| <div class="block">Cause the <code>Session</code>'s <code>run</code> method to be called to process messages that were just assigned to it.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../jakarta/jms/JMSException.html" title="class in jakarta.jms">JMSException</a></code> - if the Jakarta Messaging provider fails to start the server session to process messages due to some |
| internal error.</dd> |
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