svn commit: r1233987 - /directory/sandbox/elecharny/shared-mvbt/src/main/java/org/apache/directory/btree/Page.java

[el...@apache.org]

Author: elecharny
Date: Fri Jan 20 16:24:24 2012
New Revision: 1233987

URL: http://svn.apache.org/viewvc?rev=1233987&view=rev
Log:
o Fixed another error in the addAndSplit method
o Removed commented code

Modified:
    directory/sandbox/elecharny/shared-mvbt/src/main/java/org/apache/directory/btree/Page.java

Modified: directory/sandbox/elecharny/shared-mvbt/src/main/java/org/apache/directory/btree/Page.java
URL: http://svn.apache.org/viewvc/directory/sandbox/elecharny/shared-mvbt/src/main/java/org/apache/directory/btree/Page.java?rev=1233987&r1=1233986&r2=1233987&view=diff
==============================================================================
--- directory/sandbox/elecharny/shared-mvbt/src/main/java/org/apache/directory/btree/Page.java (original)
+++ directory/sandbox/elecharny/shared-mvbt/src/main/java/org/apache/directory/btree/Page.java Fri Jan 20 16:24:24 2012
@@ -45,7 +45,7 @@ public class Page<K, V> implements Clone
     /** Values associated with keys */
     private V[] values;
 
-    /** Children pages (recids) associated with keys.  (Only valid if non-leaf BPage) */
+    /** Children pages associated with keys.  (Only valid if non-leaf BPage) */
     private Page<K, V>[] children;
     
     /** The number of elements in each child */
@@ -500,48 +500,6 @@ public class Page<K, V> implements Clone
     }
     
     
-    /*
-    private InsertResult<K, V> split( long revision, OverflowResult<K, V> overflow, int index )
-    {
-        OverflowResult<K, V> result = new OverflowResult<K, V>();
-        
-        int pivot = ( nbElems + 1 ) / 2;
-
-        // i == P -> left = a[0..P-1], median = X, right = a[P..N-1]
-        if ( index == pivot )
-        {
-            result.pivotKey = overflow.pivotKey;
-            result.pivotValue = overflow.pivotValue;
-            result.leftPage = copyHalfPage( revision, 0, pivot - 1, overflow.leftPage );
-            result.rightPage = copyHalfPage( revision, pivot, nbElems - 1, overflow.rightPage );
-
-            return result;
-        }
-
-        // i < P -> left = a[0..index, X, index+1..P - 2], median = a[P-1], right = a[P..N-1]
-        if ( index < pivot )
-        {
-            result.pivotKey = keys[pivot - 1];
-            result.pivotValue = values[pivot - 1];
-            result.leftPage = copyAndInsert( revision, overflow, index, 0, pivot - 1 );
-            result.rightPage = copyHalfPage( revision, pivot, nbElems - 1, children[pivot] );
-
-            return result;
-        }
-        else
-        {
-            // i < P -> left = a[0..P - 1], median = a[P], right = a[P+1..N-1]
-            result.pivotKey = keys[pivot];
-            result.pivotValue = values[pivot];
-            result.leftPage = copyHalfPage( revision, 0, pivot - 1, children[pivot] );
-            result.rightPage = copyAndInsert( revision, overflow, index, pivot + 1, nbElems );
-
-            return result;
-        }
-    }
-    */
-    
-
     /**
      * Copy half of a full page into a new page This method is called when a split of a page is done.
      * 
@@ -577,8 +535,8 @@ public class Page<K, V> implements Clone
             else
             {
                 // The child has to be copied on the left of the right page
-                newPage.children[start] = child;
-                System.arraycopy( children, start, newPage.children, 1, newPage.nbElems );
+                newPage.children[0] = child;
+                System.arraycopy( children, start + 1, newPage.children, 1, newPage.nbElems );
             }
         }
     
@@ -859,6 +817,9 @@ public class Page<K, V> implements Clone
     }
     
     
+    /**
+     * @see Object#toString()
+     */
     public String toString()
     {
         StringBuilder sb = new StringBuilder();