/[fenfire]/fenfire/org/fenfire/functional/FunctionCacheEntry.java
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revision 1.3 by tjl, Sat Oct 18 06:06:30 2003 UTC revision 1.4 by tjl, Fri Oct 31 16:59:41 2003 UTC
# Line 40  import org.fenfire.util.*; Line 40  import org.fenfire.util.*;
40   */   */
41    
42  public class FunctionCacheEntry implements Obs {  public class FunctionCacheEntry implements Obs {
43        /** The object to represent that this cache entry is dirty,
44         * and needs to be recalculated.
45         */
46      static final public Object DIRTY = new Object();      static final public Object DIRTY = new Object();
47        /** The object to represent that calculating this cache entry
48         * yielded an error and thus we don't have a value
49         * but recalculation is not possible either.
50         */
51        static final public Object ERROR = new Object();
52    
53      /** The input this cache entry is for.      /** The input this cache entry is for.
54       * Stored here so that it may be used as the hash key.       * Stored here so that it may be used as the hash key.

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