Destroy aligment method added

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index e8787f4..ddb58c3 100755 (executable)
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -182,6 +182,19 @@ public class Alignment
     return groups;
   }
 
+  public void destroyAlignment()
+  {
+    if(getDataset()!=null)
+      getDataset().destroyAlignment();
+
+    dataset = null;
+    sequences = null;
+    groups = null;
+    annotations = null;
+    hiddenSequences = null;
+  }
+
+
   /**
    * DOCUMENT ME!
    *

diff --git a/src/jalview/datamodel/AlignmentI.java b/src/jalview/datamodel/AlignmentI.java
index a81a965..3e9e265 100755 (executable)
--- a/src/jalview/datamodel/AlignmentI.java
+++ b/src/jalview/datamodel/AlignmentI.java
@@ -157,6 +157,8 @@ public interface AlignmentI
    */
   public Vector getGroups();
 
+  public void destroyAlignment();
+
   /**
    * Deletes all groups from this alignment.
    */