IResultNode


1   /*
2    * Created on 07-Oct-2004
3    *
4    */
5   package com.jofti.btree;
6   
7   import java.util.Collection  ;
8   
9   /**
10   *
11   * The node returned from the tree that contains the data from the real node that was a result of the search. It is really 
12   * a wrapper object to a snapshot of the real node's  entry list and the sibling node links. This node is immutable and changes to the underlying node are not reflected in the result node.
13   * <p>
14   * @author Steve Woodcock<br>
15   * @version 1.5<br> 
16   */
17  public interface IResultNode extends INode {
18  
19      /**
20       * Returns the leaf node Entry that matches the value, or null if none found.
21       * 
22       * @param value - the value to change.
23       * @return - a leaf node entry or Null.
24       */
25      LeafNodeEntry getEntry(Comparable   value);
26      
27          
28      /**
29       * Returns the entries (if any) that are smaller than the value in the node.
30       * <p>
31       * @param value - 
32       * @return a list of leaf node entries, or an empty list if none found.
33       */
34      Collection   getEntriesBefore(Comparable   value);
35      
36      
37  }
38

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