X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignCalcWorkerI.java;fp=src%2Fjalview%2Fapi%2FAlignCalcWorkerI.java;h=85157c466c31e11b66eeea25b8aced2bccb066c8;hb=f642f166c0eeb010c9f5006d8450f83390924b8a;hp=06dc05401e70c0291f217f3ac5edaae98913a76c;hpb=0555b298d22be533a0a67a3cd0ce2db883bae8bd;p=jalview.git

diff --git a/src/jalview/api/AlignCalcWorkerI.java b/src/jalview/api/AlignCalcWorkerI.java
index 06dc054..85157c4 100644
--- a/src/jalview/api/AlignCalcWorkerI.java
+++ b/src/jalview/api/AlignCalcWorkerI.java
@@ -35,17 +35,26 @@ public interface AlignCalcWorkerI extends Runnable
    * @param annot
    * @return
    */
-  public boolean involves(AlignmentAnnotation annot);
+  boolean involves(AlignmentAnnotation annot);
 
   /**
    * Updates the display of calculated annotation values (does not recalculate
-   * the values). This allows for quick redraw of annotations when display
-   * settings are changed.
+   * the values). This allows ßquick redraw of annotations when display settings
+   * are changed.
    */
-  public void updateAnnotation();
+  void updateAnnotation();
 
   /**
-   * Removes any annotation managed by this worker from the alignment
+   * Removes any annotation(s) managed by this worker from the alignment
    */
   void removeAnnotation();
+
+  /**
+   * 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();
 }