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From elecha...@apache.org
Subject svn commit: r1137989 - /directory/apacheds/trunk/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/DupsContainerCursor.java
Date Tue, 21 Jun 2011 13:02:38 GMT
Author: elecharny
Date: Tue Jun 21 13:02:37 2011
New Revision: 1137989

URL: http://svn.apache.org/viewvc?rev=1137989&view=rev
Log:
o Some more Javadoc addition
o Some more minor code refactoring

Modified:
    directory/apacheds/trunk/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/DupsContainerCursor.java

Modified: directory/apacheds/trunk/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/DupsContainerCursor.java
URL: http://svn.apache.org/viewvc/directory/apacheds/trunk/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/DupsContainerCursor.java?rev=1137989&r1=1137988&r2=1137989&view=diff
==============================================================================
--- directory/apacheds/trunk/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/DupsContainerCursor.java
(original)
+++ directory/apacheds/trunk/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/DupsContainerCursor.java
Tue Jun 21 13:02:37 2011
@@ -77,6 +77,9 @@ public class DupsContainerCursor<K,V> ex
     }
 
 
+    /**
+     * Clean the tuples we use to store the returned resut.
+     */
     private void clearValue()
     {
         returnedTuple.setKey( null );
@@ -103,6 +106,7 @@ public class DupsContainerCursor<K,V> ex
     public void beforeKey( K key ) throws Exception
     {
         checkNotClosed( "beforeKey()" );
+        
         browser = ((BTree<K,V>)table.getBTree()).browse( key );
         forwardDirection = null;
         clearValue();
@@ -115,6 +119,8 @@ public class DupsContainerCursor<K,V> ex
     @SuppressWarnings("unchecked")
     public void afterKey( K key ) throws Exception
     {
+        checkNotClosed( "afterKey()" );
+
         browser = ((BTree<K,V>)table.getBTree()).browse( key );
         forwardDirection = null;
 
@@ -256,30 +262,38 @@ public class DupsContainerCursor<K,V> ex
 
         // only want to set this if the advance is a success which means we
         // are not at front
-        if ( ( forwardDirection == null ) && advanceSuccess )
+        if ( forwardDirection == null )
         {
-            forwardDirection = false;
+            if ( advanceSuccess)
+            {
+                forwardDirection = false;
+            }
+            else
+            {
+                clearValue();
+                
+                return false;
+            }
         }
-
-        if ( ( forwardDirection != null ) && forwardDirection )
+        else if ( forwardDirection )
         {
             advanceSuccess = browser.getPrevious( jdbmTuple );
             forwardDirection = false;
         }
 
-        if ( advanceSuccess )
+        valueAvailable = advanceSuccess;
+        
+        if ( valueAvailable )
         {
             returnedTuple.setKey( ( K ) jdbmTuple.getKey() );
             returnedTuple.setValue( table.getDupsContainer( ( byte[] ) jdbmTuple.getValue()
) );
-            
-            return valueAvailable = true;
         }
         else
         {
             clearValue();
-            
-            return false;
         }
+        
+        return valueAvailable;
     }
 
 
@@ -324,12 +338,16 @@ public class DupsContainerCursor<K,V> ex
 
         valueAvailable = advanceSuccess;
 
-        if ( advanceSuccess )
+        if ( valueAvailable )
         {
             // create the fetched tuple containing the key and the deserialized value
             returnedTuple.setKey( jdbmTuple.getKey() );
             returnedTuple.setValue( table.getDupsContainer( ( byte[] ) jdbmTuple.getValue()
) );
         }
+        else
+        {
+            clearValue();
+        }
 
         return valueAvailable;
     }



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