proxyKlass.hpp

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00001 /* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.13 $ */
00002 /* Copyright (c) 2006, Sun Microsystems, Inc.
00003 All rights reserved.
00004 
00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 
00006 following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
00009     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
00010           disclaimer in the documentation and/or other materials provided with the distribution.
00011     * Neither the name of Sun Microsystems nor the names of its contributors may be used to endorse or promote products derived 
00012           from this software without specific prior written permission.
00013 
00014 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 
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00020 
00021 
00022 */
00023 
00024 
00025 class proxyKlass: public memOopKlass {
00026  public:
00027   // testers
00028   bool oop_is_proxy()          const { return true;  }
00029 
00030   // allocation properties
00031   bool can_inline_allocation() const { return false; }
00032 
00033   // allocation operations
00034   oop allocateObject();
00035   
00036   // creates invocation
00037   klassOop create_subclass(mixinOop mixin, Format format);
00038 
00039   static klassOop create_class(klassOop super_class, mixinOop mixin);
00040 
00041   // Format
00042   Format format() { return proxy_klass; }
00043 
00044   // memory operations
00045   int  oop_scavenge_contents(oop obj);
00046   int  oop_scavenge_tenured_contents(oop obj);
00047   void oop_follow_contents(oop obj);
00048 
00049   // iterators
00050   void oop_layout_iterate(oop obj, ObjectLayoutClosure* blk);
00051   void oop_oop_iterate(oop obj, OopClosure* blk);
00052 
00053   // sizing
00054   int oop_header_size() const { return proxyOopDesc::header_size(); }
00055 
00056   // printing support
00057   char* name() const { return "proxy"; }
00058 
00059   // class creation
00060   friend void set_proxyKlass_vtbl(Klass* k);
00061 };

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