JAL-3863 promote non-canonical version of dbref to a canonical one

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

diff --git a/src/jalview/datamodel/DBRefEntry.java b/src/jalview/datamodel/DBRefEntry.java
index b6cae62..511287b 100755 (executable)
--- a/src/jalview/datamodel/DBRefEntry.java
+++ b/src/jalview/datamodel/DBRefEntry.java
@@ -172,6 +172,7 @@ public class DBRefEntry implements DBRefEntryI
       return true;
     }
 
+    boolean improved=false;
     /*
      * source must either match or be both null
      */
@@ -195,6 +196,19 @@ public class DBRefEntry implements DBRefEntryI
       return false;
     }
 
+    if (!isCanonicalAccession && other.isCanonical())
+    {
+      isCanonicalAccession = true;
+      improved = true;
+    }
+    else
+    {
+      if (isCanonicalAccession && !other.isCanonical())
+      {
+        // other is not an authoritative source of canonical accessions
+        return false;
+      }
+    }
     /*
      * if my version is null, "0" or "source:0" then replace with other version,
      * otherwise the versions have to match
@@ -211,12 +225,15 @@ public class DBRefEntry implements DBRefEntryI
       if (version != null && (otherVersion == null
               || !version.equalsIgnoreCase(otherVersion)))
       {
-        return false;
+        // FIXME: there may be a problem with old version strings not allowing
+        // updating of dbrefentries
+        return improved;
       }
     }
 
     /*
-     * if I have no mapping, take that of the other dbref
+     * if I have no mapping, take that of the other dbref 
+     * - providing it had a version and so do I
      */
     if (map == null)
     {