Examples of org.eclipse.core.runtime.jobs.Job

org.eclipse.core.runtime.jobs.Job
Jobs are units of runnable work that can be scheduled to be run with the job manager. Once a job has completed, it can be scheduled to run again (jobs are reusable).
Jobs have a state that indicates what they are currently doing. When constructed, jobs start with a state value of NONE. When a job is scheduled to be run, it moves into the WAITING state. When a job starts running, it moves into the RUNNING state. When execution finishes (either normally or through cancelation), the state changes back to NONE.
A job can also be in the SLEEPING state. This happens if a user calls Job.sleep() on a waiting job, or if a job is scheduled to run after a specified delay. Only jobs in the WAITING state can be put to sleep. Sleeping jobs can be woken at any time using Job.wakeUp(), which will put the job back into the WAITING state.
Jobs can be assigned a priority that is used as a hint about how the job should be scheduled. There is no guarantee that jobs of one priority will be run before all jobs of lower priority. The javadoc for the various priority constants provide more detail about what each priority means. By default, jobs start in the LONG priority class. @see IJobManager @since 3.0

  public void debugSessionTerminated()
  {
        fireTerminateEvent();
        getLaunch().removeDebugTarget(CGIDebugTarget.this);


        Job acceptNewDebugger = new Job("EPIC.acceptNewDebugger") {
          protected IStatus run(IProgressMonitor monitor)
          {
            if (acceptNewDebugger()) { respawn(); return Status.OK_STATUS; }
            else return Status.CANCEL_STATUS;
          }
        };
        acceptNewDebugger.setPriority(Job.LONG);
        acceptNewDebugger.setSystem(true);
        acceptNewDebugger.schedule();
  }

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        final String marker = getMarker();
        final IResource resource = getResource();


        final MarkerUtilities factory = new MarkerUtilities(getLog(), getPluginId());


        Job job =
            new Job(getJobTitle(resource))
        {
            protected IStatus run(IProgressMonitor monitor)
            {
                // cancelled while sitting in queue
                if (monitor.isCanceled()) { return Status.CANCEL_STATUS; }


                factory.deleteMarkers(resource, marker);


                /*
                 * this should be able to support multiple resources as well in the future - the
                 * loop would just need to include a check against the monitor for cancellation
                 */
                Object[] violations = doJob(resource);


                // check if we were cancelled while the thread was running
                if (monitor.isCanceled()) { return Status.CANCEL_STATUS; }


                for (int i = 0; i < violations.length; i++)
                {
                    Map attributes = createMarkerAttributes(factory, violations[i]);
                    factory.createMarker(resource, marker, attributes);
                }


                return Status.OK_STATUS;
            }
        };


        job.setUser(true);
        job.schedule();
    }

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        scheduleJob(getMarkerType());
    }


    private void scheduleJob(final String markerType)
    {
        Job job =
            new Job("Clear EPIC Marker(s)")
        {
            protected IStatus run(IProgressMonitor monitor)
            {
                MarkerUtilities factory = new MarkerUtilities(getLog(), getPluginId());
                factory.deleteMarkers(getResource(), markerType);


                return Status.OK_STATUS;
            }
        };


        job.setSystem(true);
        job.schedule();
    }

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    GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).applyTo(connectButton);
    
    connectButton.addSelectionListener(new SelectionAdapter() {
      @Override
      public void widgetSelected(SelectionEvent e) {
        Job job = new Job(Messages.CloudFoundryServerStatusSection_JOB_CONN_SERVER) {
          
          @Override
          protected IStatus run(IProgressMonitor monitor) {
            try {
              cfServer.getBehaviour().connect(monitor);
            }
            catch (CoreException e) {
              StatusManager.getManager().handle(new Status(Status.ERROR, CloudFoundryServerUiPlugin.PLUGIN_ID, "", e), StatusManager.LOG); //$NON-NLS-1$
              return Status.CANCEL_STATUS;
            }
            
            return Status.OK_STATUS;
          }
        };
        job.schedule();
      }
    });
    
    disconnectButton = toolkit.createButton(composite, Messages.CloudFoundryServerStatusSection_TEXT_DISCONN_BUTTON, SWT.PUSH);
    GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).applyTo(disconnectButton);
    
    disconnectButton.addSelectionListener(new SelectionAdapter() {
      @Override
      public void widgetSelected(SelectionEvent e) {
        Job job = new Job(Messages.CloudFoundryServerStatusSection_JOB_CONN_SERVER) {
          
          @Override
          protected IStatus run(IProgressMonitor monitor) {
            try {
              cfServer.getBehaviour().disconnect(monitor);
            }
            catch (CoreException e) {
              StatusManager.getManager().handle(new Status(Status.ERROR, CloudFoundryServerUiPlugin.PLUGIN_ID, "", e), StatusManager.LOG); //$NON-NLS-1$
              return Status.CANCEL_STATUS;
            }
            
            return Status.OK_STATUS;
          }
        };
        job.schedule();
      }
    });
    
    update();

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    }
    catch (CoreException e1) {
      CloudFoundryPlugin.log(e1);
    }


    Job job = new Job(jobName) {


      @Override
      protected IStatus run(IProgressMonitor monitor) {
        closeCaldecottTunnels(monitor);
        return Status.OK_STATUS;
      }


    };
    job.setSystem(false);
    job.schedule();
  }

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      // not appear
      // in the list of Server apps until after some manual refresh
      // occurs, or another operation
      // triggers a refresh.
      // Launch in Job as it could be long-running
      Job job = new Job(NLS.bind(Messages.REFRESHING_MODULES, getServer().getName())) {


        @Override
        protected IStatus run(IProgressMonitor monitor) {
          refreshModules(monitor);
          return Status.OK_STATUS;
        }


      };


      job.setPriority(Job.INTERACTIVE);
      job.schedule();


    }
    catch (CoreException e) {
      CloudFoundryPlugin.logError(Messages.ERROR_INITIALISE_REFRESH_NO_SERVER);
    }

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  public String getJobName() {
    return displayName;
  }


  protected Job getJob() {
    Job job = super.getJob();
    job.setUser(true);
    return job;
  }

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          // thread as it may be a long
          // running process that may block the thread while waiting
          // for the user to exist the external
          // application
          if (resolvedCommand != null) {
            Job job = new Job(Messages.LaunchTunnelCommandAction_JOB_LAUNCH) {


              @Override
              protected IStatus run(IProgressMonitor monitor) {
                // Finally launch the external tool after
                // options
                // are filled
                // in.
                try {
                  new LaunchTunnelCommandManager(resolvedCommand).run(monitor);
                }
                catch (CoreException e) {
                  IStatus errorStatus = CloudFoundryPlugin.getErrorStatus(e);
                  CloudFoundryPlugin.log(errorStatus);
                  return errorStatus;
                }
                return Status.OK_STATUS;
              }
            };


            // As this may be a long running process, so set it as a
            // system job
            job.setSystem(true);
            job.schedule();
          }


          return Status.OK_STATUS;
        }
      };

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    return PlatformUI.getWorkbench().getModalDialogShellProvider().getShell();
  }


  @Override
  protected Job getJob() {
    Job job = super.getJob();
    // As starting a Caldecott tunnel may take time, show progress dialog
    // that also
    // allows the user to run it as a background job.
    job.setUser(true);
    return job;
  }

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                // Now do a publish AFTER the IModule is
                // created. If no IModule is created (either
                // user cancels or project
                // is not supported), the publish operation will
                // do nothing.
                Job job = new Job(jobName) {


                  @Override
                  protected IStatus run(IProgressMonitor monitor) {
                    cloudServer.getBehaviour().publishAdd(moduleName, monitor);
                    return Status.OK_STATUS;
                  }


                };
                job.setPriority(Job.INTERACTIVE);
                job.schedule();
                return Status.OK_STATUS;
              }
            }
          }
          return Status.CANCEL_STATUS;
        }
      };
      job.schedule();


      return true;
    }

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