public void validate(Model model) {
		final Model myModel = model;

		// prepare the validaton code to be run in a seperate thread
		Runnable runnable = new Runnable() {
			public void run() {
				final IStatus status= getValidator().validate(myModel);
				
				// Error handling...
			}
		};

		// run the thread
		Display.getDefault().syncExec(runnable);

		// Error handling...
	}


	private IBatchValidator getValidator() {
		if (validator == null) {
			// Set up a batch validator that will execute both live and batch
			// rules. Don't report when a constraint passes validation.
			// Put any errors found in the Eclipse Problems View

			ModelValidationService.getInstance().addValidationListener(
					validationListener);

			validator = (IBatchValidator) ModelValidationService.getInstance()
					.newValidator(EvaluationMode.BATCH);

			validator.setIncludeLiveConstraints(true);
			validator.setReportSuccesses(false);
			validator.putClientData("markerType", "com.ibm.xtools.modeler.ui.validation.validationProblem");

			// accept all constraints but don't report info based constraint
			// details
			validator.addConstraintFilter(new IConstraintFilter() {
				public boolean accept(IConstraintDescriptor constraint,
						EObject target) {
					return !ConstraintSeverity.INFO.equals(constraint
							.getSeverity());
				}
			});
		}
		return validator;
	}