SingletonIterator


1   //$Id: SingletonIterator.java,v 1.1 2005/04/26 06:37:54 oneovthafew Exp $
2   package org.hibernate.util;
3   
4   import java.util.Iterator  ;
5   
6   /**
7    * @author Gavin King
8    */
9   public final class SingletonIterator implements Iterator   {
10  
11      private Object   value;
12      private boolean hasNext = true;
13  
14      public boolean hasNext() {
15          return hasNext;
16      }
17  
18      public Object   next() {
19          if (hasNext) {
20              hasNext = false;
21              return value;
22          }
23          else {
24              throw new IllegalStateException  ();
25          }
26      }
27  
28      public void remove() {
29          throw new UnsupportedOperationException  ();
30      }
31  
32      public SingletonIterator(Object   value) {
33          this.value = value;
34      }
35  
36  }
37

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