01: // ============================================================================
02: // $Id: UnaryFunctorRef.java,v 1.8 2005/12/17 04:16:18 davidahall Exp $
03: // Copyright (c) 2004-2005 David A. Hall
04: // ============================================================================
05: // The contents of this file are subject to the Common Development and
06: // Distribution License (CDDL), Version 1.0 (the License); you may not use this
07: // file except in compliance with the License. You should have received a copy
08: // of the the License along with this file: if not, a copy of the License is
09: // 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 © 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
46: FunctorRef<UnaryFunctor<T, R>> {
47: private UnaryFunctor<T, R> _uf;
48: private Class[] _argType = new Class[1];
49: private String[] _argName = new String[1];
50: private Class _returnType;
51:
52: public UnaryFunctorRef(UnaryFunctor<T, R> uf, Class argType,
53: String name, Class returnType) {
54: _uf = uf;
55: _argType[0] = argType;
56: _returnType = returnType;
57: _argName[0] = name;
58: }
59:
60: // FunctorRef implementation
61: public UnaryFunctor<T, R> getFunctor() {
62: return _uf;
63: }
64:
65: public Class getReturnType() {
66: return _returnType;
67: }
68:
69: public int getNumberArgs() {
70: return _argType.length;
71: }
72:
73: public Class getArgType(int i) {
74: return _argType[i];
75: }
76:
77: public String getArgName(int i) {
78: return _argName[i];
79: }
80:
81: public int getReferenceType() {
82: return _uf instanceof Identity ? IDENTITY : UNARY_FN;
83: }
84:
85: // Object implementation
86: public String toString() {
87: return _uf.toString() + ":" + getReturnType().getName();
88: }
89: }
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