turbineschedulerservice.html

turbine教程

<TD><CODE><A HREF="../../../../../org/apache/turbine/services/BaseService.html#getConfiguration()">getConfiguration</A>, <A HREF="../../../../../org/apache/turbine/services/BaseService.html#getName()">getName</A>, <A HREF="../../../../../org/apache/turbine/services/BaseService.html#getProperties()">getProperties</A>, <A HREF="../../../../../org/apache/turbine/services/BaseService.html#getServiceBroker()">getServiceBroker</A>, <A HREF="../../../../../org/apache/turbine/services/BaseService.html#setName(java.lang.String)">setName</A>, <A HREF="../../../../../org/apache/turbine/services/BaseService.html#setServiceBroker(org.apache.turbine.services.ServiceBroker)">setServiceBroker</A></CODE></TD>
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<A NAME="scheduleQueue"><!-- --></A><H3>
scheduleQueue</H3>
<PRE>
protected <A HREF="../../../../../org/apache/turbine/services/schedule/JobQueue.html">JobQueue</A> <B>scheduleQueue</B></PRE>
<DL>
<DD>The queue.</DL>
<HR>

<A NAME="mainLoop"><!-- --></A><H3>
mainLoop</H3>
<PRE>
protected <A HREF="../../../../../org/apache/turbine/services/schedule/TurbineSchedulerService.MainLoop.html">TurbineSchedulerService.MainLoop</A> <B>mainLoop</B></PRE>
<DL>
<DD>The main loop for starting jobs.</DL>
<HR>

<A NAME="thread"><!-- --></A><H3>
thread</H3>
<PRE>
protected java.lang.Thread <B>thread</B></PRE>
<DL>
<DD>The thread used to process commands.</DL>

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<A NAME="TurbineSchedulerService()"><!-- --></A><H3>
TurbineSchedulerService</H3>
<PRE>
public <B>TurbineSchedulerService</B>()</PRE>
<DL>
<DD>Creates a new instance.</DL>

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<A NAME="init(javax.servlet.ServletConfig)"><!-- --></A><H3>
init</H3>
<PRE>
public void <B>init</B>(javax.servlet.ServletConfig&nbsp;config)
          throws <A HREF="../../../../../org/apache/turbine/services/InitializationException.html">InitializationException</A></PRE>
<DL>
<DD>Called the first time the Service is used.<br>

 Load all the jobs from cold storage.  Add jobs to the queue
 (sorted in ascending order by runtime) and start the scheduler
 thread.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/TurbineBaseService.html#init(javax.servlet.ServletConfig)">init</A></CODE> in class <CODE><A HREF="../../../../../org/apache/turbine/services/TurbineBaseService.html">TurbineBaseService</A></CODE></DL>
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<DD><DL>
<DT><B>Parameters:</B><DD><CODE>config</CODE> - A ServletConfig.</DL>
</DD>
</DL>
<HR>

<A NAME="shutdown()"><!-- --></A><H3>
shutdown</H3>
<PRE>
public void <B>shutdown</B>()</PRE>
<DL>
<DD>Shutdowns the service.

 This methods interrupts the housekeeping thread.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/Initable.html#shutdown()">shutdown</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/turbine/services/Initable.html">Initable</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/TurbineBaseService.html#shutdown()">shutdown</A></CODE> in class <CODE><A HREF="../../../../../org/apache/turbine/services/TurbineBaseService.html">TurbineBaseService</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getJob(int)"><!-- --></A><H3>
getJob</H3>
<PRE>
public <A HREF="../../../../../org/apache/turbine/services/schedule/JobEntry.html">JobEntry</A> <B>getJob</B>(int&nbsp;oid)
                throws java.lang.Exception</PRE>
<DL>
<DD>Get a specific Job from Storage.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html#getJob(int)">getJob</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html">ScheduleService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>oid</CODE> - The int id for the job.<DT><B>Returns:</B><DD>A JobEntry.<DT><B>Throws:</B><DD><CODE>Exception,</CODE> - a generic exception.</DL>
</DD>
</DL>
<HR>

<A NAME="addJob(org.apache.turbine.services.schedule.JobEntry)"><!-- --></A><H3>
addJob</H3>
<PRE>
public void <B>addJob</B>(<A HREF="../../../../../org/apache/turbine/services/schedule/JobEntry.html">JobEntry</A>&nbsp;je)
            throws java.lang.Exception</PRE>
<DL>
<DD>Add a new job to the queue.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html#addJob(org.apache.turbine.services.schedule.JobEntry)">addJob</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html">ScheduleService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>je</CODE> - A JobEntry with the job to add.<DT><B>Throws:</B><DD><CODE>Exception,</CODE> - a generic exception.</DL>
</DD>
</DL>
<HR>

<A NAME="removeJob(org.apache.turbine.services.schedule.JobEntry)"><!-- --></A><H3>
removeJob</H3>
<PRE>
public void <B>removeJob</B>(<A HREF="../../../../../org/apache/turbine/services/schedule/JobEntry.html">JobEntry</A>&nbsp;je)
               throws java.lang.Exception</PRE>
<DL>
<DD>Remove a job from the queue.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html#removeJob(org.apache.turbine.services.schedule.JobEntry)">removeJob</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html">ScheduleService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>je</CODE> - A JobEntry with the job to remove.<DT><B>Throws:</B><DD><CODE>Exception,</CODE> - a generic exception.</DL>
</DD>
</DL>
<HR>

<A NAME="updateJob(org.apache.turbine.services.schedule.JobEntry)"><!-- --></A><H3>
updateJob</H3>
<PRE>
public void <B>updateJob</B>(<A HREF="../../../../../org/apache/turbine/services/schedule/JobEntry.html">JobEntry</A>&nbsp;je)
               throws java.lang.Exception</PRE>
<DL>
<DD>Modify a Job.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html#updateJob(org.apache.turbine.services.schedule.JobEntry)">updateJob</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html">ScheduleService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>je</CODE> - A JobEntry with the job to modify<DT><B>Throws:</B><DD><CODE>Exception,</CODE> - a generic exception.</DL>
</DD>
</DL>
<HR>

<A NAME="listJobs()"><!-- --></A><H3>
listJobs</H3>
<PRE>
public java.util.Vector <B>listJobs</B>()</PRE>
<DL>
<DD>List jobs in the queue.  This is used by the scheduler UI.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html#listJobs()">listJobs</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/turbine/services/schedule/ScheduleService.html">ScheduleService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A Vector of jobs.</DL>
</DD>
</DL>
<HR>

<A NAME="getThread()"><!-- --></A><H3>
getThread</H3>
<PRE>
public java.lang.Thread <B>getThread</B>()</PRE>
<DL>
<DD>Return the thread being used to process commands, or null if
 there is no such thread.  You can use this to invoke any
 special methods on the thread, for example, to interrupt it.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A Thread.</DL>
</DD>
</DL>
<HR>

<A NAME="restart()"><!-- --></A><H3>
restart</H3>
<PRE>
public void <B>restart</B>()</PRE>
<DL>
<DD>Start (or restart) a thread to process commands, or wake up an
 existing thread if one is already running.  This method can be
 invoked if the background thread crashed due to an
 unrecoverable exception in an executed command.<DD><DL>
</DL>
</DD>
</DL>
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