eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/validation/ValidationDaemon.java

   1 package eu.etaxonomy.taxeditor.editor.validation;
   2
   3 import java.util.List;
   4
   5 import org.apache.log4j.Logger;
   6 import org.eclipse.core.runtime.IProgressMonitor;
   7 import org.eclipse.core.runtime.IStatus;
   8 import org.eclipse.core.runtime.Status;
   9 import org.eclipse.core.runtime.jobs.Job;
  10
  11 import eu.etaxonomy.cdm.api.service.IEntityValidationService;
  12 import eu.etaxonomy.cdm.model.validation.EntityValidation;
  13 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  14 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  15 import eu.etaxonomy.taxeditor.store.CdmStore;
  16
  17 /**
  18  * A job that repeatedly checks the error tables and refreshes the problem
  19  * markers created from them.
  20  *
  21  * @author ayco_holleman
  22  *
  23  */
  24 public class ValidationDaemon extends Job {
  25         @SuppressWarnings("unused")
  26         private static final Logger logger = Logger.getLogger(ValidationDaemon.class);
  27
  28         private final IEntityValidationService entityValidationService;
  29
  30         // Might want to make this configurable:
  31         private int SLEEP_TIME = 5000;
  32
  33         private boolean cancelRequested = false;
  34
  35
  36
  37         public ValidationDaemon(){
  38                 super(Messages.ValidationDaemon_RUNNING_DAEMON);
  39                 entityValidationService = CdmStore.getService(IEntityValidationService.class);
  40         }
  41
  42
  43         @Override
  44         protected void canceling(){
  45                 cancelRequested = true;
  46         }
  47
  48
  49         /**
  50          * This method is called by {@link ValidationContextListener} rather than
  51          * {@link Job#cancel()}, because that method does not have the desired
  52          * effect.
  53          */
  54         public void setCancelRequested(){
  55                 cancelRequested = true;
  56         }
  57
  58
  59         @Override
  60         protected IStatus run(IProgressMonitor monitor){
  61                 MarkerManager markerManager;
  62                 List<EntityValidation> results;
  63                 try {
  64                         while (!cancelRequested) {
  65                                 results = entityValidationService.getValidationResults();
  66                                 markerManager = new MarkerManager(results);
  67                                 markerManager.deleteObsoleteMarkers();
  68                                 markerManager.createMarkers();
  69                                 Thread.sleep(SLEEP_TIME);
  70                         }
  71                         MessagingUtils.info(Messages.ValidationDaemon_VALIDATION_STOPPED);
  72                         return Status.OK_STATUS;
  73                 }
  74                 catch (Throwable t) {
  75                         MessagingUtils.info(Messages.ValidationDaemon_VALIDATION_EXCEPTION + t.getMessage());
  76                         return Status.CANCEL_STATUS;
  77                 }
  78         }
  79
  80 }