Java Doc for TurbineSchedulerService.java in  » Web-Framework » TURBINE » org » apache » turbine » services » schedule » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » TURBINE » org.apache.turbine.services.schedule   Source Cross Reference   Class Diagram   Java Document (Java Doc)   org.apache.turbine.services.TurbineBaseService    org.apache.turbine.services.schedule.TurbineSchedulerService All known Subclasses:   org.apache.turbine.services.schedule.TurbineNonPersistentSchedulerService, TurbineSchedulerService public class TurbineSchedulerService extends TurbineBaseService implements ScheduleService(Code) Service for a cron like scheduler. author:    Dave Bryson author:    Quinton McCombs version:    $Id: TurbineSchedulerService.java 534527 2007-05-02 16:10:59Z tv $ Inner Class :protected class MainLoop implements Runnable Field Summary protected  MainLoop mainLoop      The main loop for starting jobs. protected  JobQueue scheduleQueue      protected  Thread thread      The thread used to process commands. Constructor Summary public   TurbineSchedulerService()      Creates a new instance. Method Summary public  void addJob(JobEntry je)      Add a new job to the queue. public  JobEntry getJob(int oid)      Get a specific Job from Storage. Parameters:   oid - The int id for the job. public synchronized  Thread getThread()      Return the thread being used to process commands, or null if there is no such thread. public  void init()      Initializes the SchedulerService. public  void init(ServletConfig config)      Called the first time the Service is used. Load all the jobs from cold storage. public  boolean isEnabled()      Determines if the scheduler service is currently enabled. public  List listJobs()      List jobs in the queue. public  void removeJob(JobEntry je)      Remove a job from the queue. public synchronized  void restart()      Start (or restart) a thread to process commands, or wake up an existing thread if one is already running. protected  void setEnabled(boolean enabled)      public  void shutdown()      Shutdowns the service. public synchronized  void startScheduler()      Starts or restarts the scheduler if not already running. public synchronized  void stopScheduler()      Stops the scheduler if it is currently running. public  void updateJob(JobEntry je)      Add or update a job. Field Detail mainLoop protected MainLoop mainLoop(Code) The main loop for starting jobs. scheduleQueue protected JobQueue scheduleQueue(Code) The queue thread protected Thread thread(Code) The thread used to process commands. Constructor Detail TurbineSchedulerService public TurbineSchedulerService()(Code) Creates a new instance. Method Detail addJob public void addJob(JobEntry je) throws TurbineException(Code) Add a new job to the queue. Parameters:   je - A JobEntry with the job to add. throws:   TurbineException - job could not be added getJob public JobEntry getJob(int oid) throws TurbineException(Code) Get a specific Job from Storage. Parameters:   oid - The int id for the job. A JobEntry. exception:   TurbineException - job could not be retreived. getThread public synchronized Thread getThread()(Code) 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. A Thread. init public void init() throws InitializationException(Code) Initializes the SchedulerService. throws:   InitializationException - Something went wrong in the initstage init public void init(ServletConfig config) throws InitializationException(Code) Called the first time the Service is used. Load all the jobs from cold storage. Add jobs to the queue (sorted in ascending order by runtime) and start the scheduler thread. Parameters:   config - A ServletConfig. isEnabled public boolean isEnabled()(Code) Determines if the scheduler service is currently enabled. Status of the scheduler service. listJobs public List listJobs()(Code) List jobs in the queue. This is used by the scheduler UI. A List of jobs. removeJob public void removeJob(JobEntry je) throws TurbineException(Code) Remove a job from the queue. Parameters:   je - A JobEntry with the job to remove. exception:   TurbineException - job could not be removed restart public synchronized void restart()(Code) 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. setEnabled protected void setEnabled(boolean enabled)(Code) Sets the enabled status of the scheduler Parameters:   enabled - shutdown public void shutdown()(Code) Shutdowns the service. This methods interrupts the housekeeping thread. startScheduler public synchronized void startScheduler()(Code) Starts or restarts the scheduler if not already running. stopScheduler public synchronized void stopScheduler()(Code) Stops the scheduler if it is currently running. updateJob public void updateJob(JobEntry je) throws TurbineException(Code) Add or update a job. Parameters:   je - A JobEntry with the job to modify throws:   TurbineException - job could not be updated Methods inherited from org.apache.turbine.services.TurbineBaseService public void init(Object data) throws InitializationException(Code)(Java Doc) public void init(ServletConfig config) throws InitializationException(Code)(Java Doc) public void init(RunData data) throws InitializationException(Code)(Java Doc) public void init() throws InitializationException(Code)(Java Doc) public void shutdown()(Code)(Java Doc)