X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fuk%2Fac%2Fvamsas%2Fclient%2FVobjhash.java;h=1b258dc4abd9bcc729d24cd6849b26189523d64e;hb=20e7f086427f1fe0aac1e5cb8e24f6fda568d50d;hp=f2feab91b20ecd9fb44a3d2b5ac24c6bcc999f7e;hpb=ea8b10ee787a2b1e2b35f2acb4dccaf12fd2a6fd;p=vamsas.git

diff --git a/src/uk/ac/vamsas/client/Vobjhash.java b/src/uk/ac/vamsas/client/Vobjhash.java
index f2feab9..1b258dc 100644
--- a/src/uk/ac/vamsas/client/Vobjhash.java
+++ b/src/uk/ac/vamsas/client/Vobjhash.java
@@ -2,24 +2,34 @@ package uk.ac.vamsas.client;
 
 /**
  * Holds information about Vobj instances that is held over between different writes to the document.
+ * Currently records the LhashValue obtained from Vobject
  * @author JimP
  *
  */
 public class Vobjhash {
-  int hashvalue;
+  private static org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory.getLog(Vobjhash.class); 
+  long  hashvalue;
   /**
    * creates a record of the hash value for a vamsas document object
    * @param tobemarshalled
    */
   public Vobjhash(Vobject tobemarshalled) {
+    tobemarshalled.doHash();
     hashvalue = tobemarshalled.get__last_hash();
+    if (log.isDebugEnabled())
+      log.debug(tobemarshalled.getVorbaId()+":"+hashvalue);
   }
   /**
-   * compares the old hash value with the unmarshalled object's most recently computed hash value.
+   * compares the old hash value with the unmarshalled object's most recently computed hash value and updates internal record.
    * @param unmarshalled
    * @return true if the hash values differ
    */
   public boolean isUpdated(Vobject unmarshalled) {
-    return hashvalue==unmarshalled.get__last_hash();
+    long oldhash = hashvalue;
+    unmarshalled.doHash();
+    hashvalue=unmarshalled.get__last_hash();
+    if (log.isDebugEnabled() && oldhash!=hashvalue)
+      log.debug(" has changed."+unmarshalled.getVorbaId());
+    return oldhash!=hashvalue;
   }
 }