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Java Source | 1997-03-14 | 1.1 KB | 32 lines |
- // Copyright(c) 1996,1997 ObjectSpace, Inc.
- // Portions Copyright(c) 1995, 1996 Hewlett-Packard Company.
-
- package COM.objectspace.jgl;
-
- import java.io.Serializable;
-
- /**
- * BinaryPredicate is the interface that must be implemented by all binary predicate objects.
- * Every BinaryPredicate object must define a single method called execute() that takes
- * two objects as its arguments and returns a boolean. BinaryPredicate objects are often
- * built to operate on a specific kind of argument and must therefore cast the input
- * parameters in order to process them.
- * <p>
- * @see COM.objectspace.jgl.BinaryFunction
- * @see COM.objectspace.jgl.UnaryFunction
- * @see COM.objectspace.jgl.UnaryPredicate
- * @version 2.0.2
- * @author ObjectSpace, Inc.
- */
-
- public interface BinaryPredicate extends Serializable
- {
- /**
- * Return the result of executing with two Object arguments.
- * @param first The first object operand.
- * @param second The second object operand.
- * @return The boolean result of processing the input parameters.
- */
- boolean execute( Object first, Object second );
- }
-