import jalview.datamodel.AlignmentAnnotation;
+/**
+ * Interface describing a worker that calculates alignment annotation(s). The
+ * main (re-)calculation should be performed by the inherited run() method.
+ */
public interface AlignCalcWorkerI extends Runnable
{
+ /**
+ * Answers true if this worker updates the given annotation (regardless of its
+ * current state)
+ *
+ * @param annot
+ * @return
+ */
+ boolean involves(AlignmentAnnotation annot);
- public boolean involves(AlignmentAnnotation annot);
+ /**
+ * Updates the display of calculated annotation values (does not recalculate
+ * the values). This allows ßquick redraw of annotations when display settings
+ * are changed.
+ */
+ void updateAnnotation();
- public void updateAnnotation();
+ /**
+ * Removes any annotation(s) managed by this worker from the alignment
+ */
+ void removeAnnotation();
- void removeOurAnnotation();
+ /**
+ * Answers true if the worker should be deleted entirely when its annotation
+ * is deleted from the display, or false if it should continue to run. Some
+ * workers are required to run for their side-effects.
+ *
+ * @return
+ */
+ boolean isDeletable();
}