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


1 // ============================================================================
2 // $Id: UnaryFunctorRef.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.UnaryFunctor;
36 import net.sf.jga.fn.adaptor.Identity;
37
38 /**
39  * Contains and describes a UnaryFunctor being built by the functor parser.
40  * <p>
41  * Copyright &copy; 2004-2005 David A. Hall
42  * @author <a HREF="mailto:davidahall@users.sf.net">David A. Hall</a>
43  */
44
45 public class UnaryFunctorRef<T,R> implements FunctorRef<UnaryFunctor<T,R>> {
46     private UnaryFunctor<T,R> _uf;
47     private Class JavaDoc[] _argType = new Class JavaDoc[1];
48     private String JavaDoc[] _argName = new String JavaDoc[1];
49     private Class JavaDoc _returnType;
50     
51     public UnaryFunctorRef (UnaryFunctor<T,R> uf, Class JavaDoc argType, String JavaDoc name, Class JavaDoc returnType){
52         _uf = uf;
53         _argType[0] = argType;
54         _returnType = returnType;
55         _argName[0] = name;
56     }
57
58     // FunctorRef implementation
59 public UnaryFunctor<T,R> getFunctor() { return _uf; }
60     public Class JavaDoc getReturnType() { return _returnType; }
61     public int getNumberArgs() { return _argType.length; }
62     public Class JavaDoc getArgType(int i) { return _argType[i]; }
63     public String JavaDoc getArgName(int i) { return _argName[i]; }
64     public int getReferenceType() { return _uf instanceof Identity ? IDENTITY : UNARY_FN; }
65
66     // Object implementation
67 public String JavaDoc toString() { return _uf.toString()+":"+getReturnType().getName(); }
68 }
69
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