hphp/runtime/base/apc-collection.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16 #ifndef incl_HPHP_APC_COLLECTION_H_
  17 #define incl_HPHP_APC_COLLECTION_H_
  18
  19 #include "hphp/runtime/base/apc-handle.h"
  20
  21 namespace HPHP {
  22
  23 struct ObjectData;
  24 struct Object;
  25
  26 //////////////////////////////////////////////////////////////////////
  27
  28 struct APCCollection {
  29   static APCHandle::Pair Make(const ObjectData*,
  30                               APCHandleLevel level,
  31                               bool unserializeObj);
  32   static void Delete(APCHandle*);
  33
  34   static const APCCollection* fromHandle(const APCHandle* handle) {
  35     assertx(handle->checkInvariants());
  36     assertx(handle->kind() == APCKind::SharedCollection);
  37     static_assert(offsetof(APCCollection, m_handle) == 0, "");
  38     return reinterpret_cast<const APCCollection*>(handle);
  39   }
  40
  41   Object createObject() const;
  42
  43 private:
  44   APCCollection();
  45   ~APCCollection();
  46   static APCHandle::Pair WrapArray(APCHandle::Pair, CollectionType);
  47
  48 private:
  49   APCHandle m_handle;
  50   APCHandle* m_arrayHandle;
  51   CollectionType m_colType;
  52 };
  53
  54 //////////////////////////////////////////////////////////////////////
  55
  56 }
  57
  58 #endif