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logical_and_operator.h

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00001 /*******************************************************************************
00002  *
00003  * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de>
00004  * All rights reserved.
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00006  *    Redistribution and use in source and binary forms, with or without
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00008  *    are met:
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00010  *    * Redistributions of source code must retain the above copyright
00011  *      notice, this list of conditions and the following disclaimer.
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00013  *    * Redistributions in binary form must reproduce the above copyright
00014  *      notice, this list of conditions and the following disclaimer in
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00016  *      distribution.
00017  *
00018  *    * Neither the name of the copyright holders nor the names of
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00023  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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00039 
00040 #ifndef __RunTimeFilterExpressions_logical_and_operator_h__
00041 #define __RunTimeFilterExpressions_logical_and_operator_h__
00042 
00043 #include "mw/attributes/filter/logical_and.h"
00044 #include "mw/attributes/filter/BinaryFilterExpression.h"
00045 #include "mw/attributes/filter/UnaryFilterExpression.h"
00046 
00047 namespace famouso {
00048     namespace mw {
00049         namespace attributes {
00050             namespace filter {
00051 
00060                 template< class A, class B >
00061                 static inline
00062                 const UnaryFilterExpression<
00063                     BinaryFilterExpression<
00064                         UnaryFilterExpression<A>,
00065                         UnaryFilterExpression<B>,
00066                         filter::logical_and<
00067                             UnaryFilterExpression<A>,
00068                             UnaryFilterExpression<B>
00069                         >
00070                     >
00071                 >
00072                 operator && (const UnaryFilterExpression<A>& a, const UnaryFilterExpression<B>& b)
00073                 {
00074                     typedef BinaryFilterExpression<
00075                                 UnaryFilterExpression<A>,
00076                                 UnaryFilterExpression<B>,
00077                                 filter::logical_and<
00078                                     UnaryFilterExpression<A>,
00079                                     UnaryFilterExpression<B>
00080                                 >
00081                             > ExprT;
00082                     return UnaryFilterExpression<ExprT>(ExprT(a,b));
00083                 }
00084 
00085             } /* filter */
00086         } /* attributes */
00087     } /* mw */
00088 } /* famouso */
00089 
00090 #endif