SmartContainer


1   package org.bsf.smartValueObject.container;
2   
3   import java.util.Iterator  ;
4   
5   /**
6    * Track changes in container objects.
7    */
8   public interface SmartContainer {
9       /**
10       * Number of elements (not counting deleted ones).
11       * @return number of existing elements.
12       */
13      int size();
14  
15      /**
16       * Number of elements which have been deleted.
17       * @return number of deleted elements.
18       */
19      int getDeleted();
20  
21      /**
22       * Number of elements which have been created.
23       * @return number of created elements.
24       */
25      int getCreated();
26  
27      /**
28       * Gets the backing container containing all elements.
29       * @return the underlying container.
30       */
31      Object   getContainer();
32  
33      /**
34       * Gets the backing iterator for all elements.
35       * @return  the underlying iterator.
36       */
37      Iterator   getIterator();
38  }
39

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