X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignCalcManagerI.java;fp=src%2Fjalview%2Fapi%2FAlignCalcManagerI.java;h=e310696523fe6c177e731bec85399b9ad2d8f7c5;hb=61df2ddd377ad0171a6d203fb9db2e1fa8ba5be6;hp=2c406a228be30917681e5878df699ecd1b607ab3;hpb=8c8433dbbca18eb7955537a8756fba92d044dd41;p=jalview.git

diff --git a/src/jalview/api/AlignCalcManagerI.java b/src/jalview/api/AlignCalcManagerI.java
index 2c406a2..e310696 100644
--- a/src/jalview/api/AlignCalcManagerI.java
+++ b/src/jalview/api/AlignCalcManagerI.java
@@ -21,7 +21,7 @@ public interface AlignCalcManagerI
    * tell manager that worker is now processing data
    * @param worker
    */
-  void notifyWorking(AlignCalcWorkerI worker);
+  boolean notifyWorking(AlignCalcWorkerI worker);
 
 
   /**
@@ -42,4 +42,17 @@ public interface AlignCalcManagerI
    */
   void startWorker(AlignCalcWorkerI worker);
 
+  /**
+   * 
+   * @param worker
+   * @return
+   */
+  boolean isWorking(AlignCalcWorkerI worker);
+
+  /**
+   * if any worker thread is operational, return true!
+   * @return
+   */
+  boolean isWorking();
+
 }