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Java > Open Source Codes > org > jruby > internal > runtime > methods > IterateCallable


1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
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4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
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7  * the License at http://www.eclipse.org/legal/cpl-v10.html
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11  * implied. See the License for the specific language governing
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13  *
14  * Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
15  * Copyright (C) 2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
16  * Copyright (C) 2004-2005 Thomas E Enebo <enebo@acm.org>
17  * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
18  * Copyright (C) 2006 Miguel Covarrubias <mlcovarrubias@gmail.com>
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32 package org.jruby.internal.runtime.methods;
33
34 import org.jruby.RubyMethod;
35 import org.jruby.runtime.Arity;
36 import org.jruby.runtime.Block;
37 import org.jruby.runtime.ICallable;
38 import org.jruby.runtime.ThreadContext;
39 import org.jruby.runtime.builtin.IRubyObject;
40 import org.jruby.runtime.callback.Callback;
41
42 /**
43  *
44  * @author jpetersen
45  */
46 public class IterateCallable extends AbstractCallable {
47     private Callback callback;
48     private RubyMethod method;
49
50     public IterateCallable(Callback callback, RubyMethod method) {
51         this.callback = callback;
52         this.method = method;
53     }
54
55     public IRubyObject call(ThreadContext context, IRubyObject self, IRubyObject[] args, Block block) {
56         return callback.execute(args[0], new IRubyObject[] { method, self }, block);
57     }
58     
59     public ICallable dup() {
60         return new IterateCallable(callback, method);
61     }
62     
63     public Arity getArity() {
64         return Arity.createArity((int) method.arity().getLongValue());
65     }
66 }
67
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