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Java > Open Source Codes > net > sf > jga > parser > BinaryFunctorRef


1 // ============================================================================
2 // $Id: BinaryFunctorRef.java,v 1.8 2005/12/17 04:16:18 davidahall Exp $
3 // Copyright (c) 2004-2005 David A. Hall
4 // ============================================================================
5 // The contents of this file are subject to the Common Development and
6 // Distribution License (CDDL), Version 1.0 (the License); you may not use this
7 // file except in compliance with the License. You should have received a copy
8 // of the the License along with this file: if not, a copy of the License is
9 // available from Sun Microsystems, Inc.
10 //
11 // http://www.sun.com/cddl/cddl.html
12 //
13 // From time to time, the license steward (initially Sun Microsystems, Inc.) may
14 // publish revised and/or new versions of the License. You may not use,
15 // distribute, or otherwise make this file available under subsequent versions
16 // of the License.
17 //
18 // Alternatively, the contents of this file may be used under the terms of the
19 // GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which
20 // case the provisions of the LGPL are applicable instead of those above. If you
21 // wish to allow use of your version of this file only under the terms of the
22 // LGPL, and not to allow others to use your version of this file under the
23 // terms of the CDDL, indicate your decision by deleting the provisions above
24 // and replace them with the notice and other provisions required by the LGPL.
25 // If you do not delete the provisions above, a recipient may use your version
26 // of this file under the terms of either the CDDL or the LGPL.
27 //
28 // This library is distributed in the hope that it will be useful,
29 // but WITHOUT ANY WARRANTY; without even the implied warranty of
30 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
31 // ============================================================================
32
33 package net.sf.jga.parser;
34
35 import net.sf.jga.fn.BinaryFunctor;
36
37 /**
38  * Contains and describes a BinaryFunctor being built by the functor parser.
39  * <p>
40  * Copyright &copy; 2004-2005 David A. Hall
41  * @author <a HREF="mailto:davidahall@users.sf.net">David A. Hall</a>
42  */
43
44 public class BinaryFunctorRef<T1,T2,R> implements FunctorRef<BinaryFunctor<T1,T2,R>> {
45     private BinaryFunctor<T1,T2,R> _bf;
46     private Class JavaDoc[] _argType = new Class JavaDoc[2];
47     private String JavaDoc[] _argName = new String JavaDoc[2]; // unused, for now
48 private Class JavaDoc _returnType;
49     
50     public BinaryFunctorRef (BinaryFunctor<T1,T2,R> bf, Class JavaDoc arg1Type, Class JavaDoc arg2Type,
51                              Class JavaDoc returnType)
52     {
53         _bf = bf;
54         _argType[0] = arg1Type;
55         _argType[1] = arg2Type;
56         _returnType = returnType;
57     }
58
59     
60     // FunctorRef implementation
61 public BinaryFunctor<T1,T2,R> getFunctor() { return _bf; }
62     public Class JavaDoc getReturnType() { return _returnType; }
63     public int getNumberArgs() { return _argType.length; }
64     public Class JavaDoc getArgType(int i) { return _argType[i]; }
65     public String JavaDoc getArgName(int i) { return /*_argName[i];*/ "foo"; }
66     public int getReferenceType() { return BINARY_FN; }
67
68     // Object implementation
69 public String JavaDoc toString() { return _bf.toString()+":"+getReturnType().getName(); }
70 }
71
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