JAL-2599 test coverage and bug fixes for 'minimal file' parsing

[jalview.git] / src / jalview / datamodel / HiddenMarkovModel.java

diff --git a/src/jalview/datamodel/HiddenMarkovModel.java b/src/jalview/datamodel/HiddenMarkovModel.java
index c6545e2..581f481 100644 (file)
--- a/src/jalview/datamodel/HiddenMarkovModel.java
+++ b/src/jalview/datamodel/HiddenMarkovModel.java
@@ -195,15 +195,15 @@ public class HiddenMarkovModel
   }
 
   /**
-   * Returns the length of the hidden Markov model.
+   * Returns the length of the hidden Markov model, or 0 if not known
    * 
    * @return
    */
-  public Integer getLength()
+  public int getLength()
   {
     if (fileProperties.get(HMMFile.LENGTH) == null)
     {
-      return null;
+      return 0;
     }
     return Integer.parseInt(fileProperties.get(HMMFile.LENGTH));
   }