merge

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

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index 81046f1..5d1fc60 100755 (executable)
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -20,6 +20,10 @@
  */
 package jalview.datamodel;
 
+import jalview.analysis.AlignmentUtils;
+import jalview.io.FastaFile;
+import jalview.util.MessageManager;
+
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.HashSet;
@@ -30,10 +34,6 @@ import java.util.Map;
 import java.util.Set;
 import java.util.Vector;
 
-import jalview.analysis.AlignmentUtils;
-import jalview.io.FastaFile;
-import jalview.util.MessageManager;
-
 /**
  * Data structure to hold and manipulate a multiple sequence alignment
  */
@@ -1734,4 +1734,19 @@ public class Alignment implements AlignmentI
     }
     return names;
   }
+
+  @Override
+  public boolean hasValidSequence()
+  {
+    boolean hasValidSeq = false;
+    for (SequenceI seq : getSequences())
+    {
+      if ((seq.getEnd() - seq.getStart()) > 0)
+      {
+        hasValidSeq = true;
+        break;
+      }
+    }
+    return hasValidSeq;
+  }
 }