X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignCalcWorkerI.java;h=85157c466c31e11b66eeea25b8aced2bccb066c8;hb=3f03cc818538d68c829869c6341112c44cf648d9;hp=63e7bf985b39fb1f82313ed36240933b8fce30e7;hpb=60805a2d20a347ef1958a7a5576cda7a186f8a8d;p=jalview.git

diff --git a/src/jalview/api/AlignCalcWorkerI.java b/src/jalview/api/AlignCalcWorkerI.java
index 63e7bf9..85157c4 100644
--- a/src/jalview/api/AlignCalcWorkerI.java
+++ b/src/jalview/api/AlignCalcWorkerI.java
@@ -1,6 +1,60 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
 package jalview.api;
 
+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);
+
+  /**
+   * 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();
+
+  /**
+   * 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();
 }