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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /connectivity/source/drivers/firebird/SubComponent.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'connectivity/source/drivers/firebird/SubComponent.hxx')
-rw-r--r-- | connectivity/source/drivers/firebird/SubComponent.hxx | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/connectivity/source/drivers/firebird/SubComponent.hxx b/connectivity/source/drivers/firebird/SubComponent.hxx new file mode 100644 index 000000000..d37100670 --- /dev/null +++ b/connectivity/source/drivers/firebird/SubComponent.hxx @@ -0,0 +1,131 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_FIREBIRD_SUBCOMPONENT_HXX +#define INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_FIREBIRD_SUBCOMPONENT_HXX + +#include <cppuhelper/propshlp.hxx> +#include <osl/diagnose.h> +#include <osl/mutex.hxx> + +namespace cppu { + class IPropertyArrayHelper; +} + +namespace com +{ + namespace sun + { + namespace star + { + namespace lang + { + class XComponent; + } + } + } +} +namespace connectivity +{ + + namespace firebird + { + /// @throws css::lang::DisposedException + void checkDisposed(bool _bThrow); + + + template <class TYPE> + class OPropertyArrayUsageHelper + { + protected: + static sal_Int32 s_nRefCount; + static ::cppu::IPropertyArrayHelper* s_pProps; + static ::osl::Mutex s_aMutex; + + public: + OPropertyArrayUsageHelper(); + virtual ~OPropertyArrayUsageHelper(); + + /** call this in the getInfoHelper method of your derived class. The method returns the array helper of the + class, which is created if necessary. + */ + ::cppu::IPropertyArrayHelper* getArrayHelper(); + + protected: + /** used to implement the creation of the array helper which is shared amongst all instances of the class. + This method needs to be implemented in derived classes. + <BR> + The method gets called with s_aMutex acquired. + @return a pointer to the newly created array helper. Must not be NULL. + */ + virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const = 0; + }; + + template<class TYPE> + sal_Int32 OPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0; + + template<class TYPE> + ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper< TYPE >::s_pProps = nullptr; + + template<class TYPE> + ::osl::Mutex OPropertyArrayUsageHelper< TYPE >::s_aMutex; + + + template <class TYPE> + OPropertyArrayUsageHelper<TYPE>::OPropertyArrayUsageHelper() + { + ::osl::MutexGuard aGuard(s_aMutex); + ++s_nRefCount; + } + + + template <class TYPE> + OPropertyArrayUsageHelper<TYPE>::~OPropertyArrayUsageHelper() + { + ::osl::MutexGuard aGuard(s_aMutex); + OSL_ENSURE(s_nRefCount > 0, "OPropertyArrayUsageHelper::~OPropertyArrayUsageHelper : suspicious call : have a refcount of 0 !"); + if (!--s_nRefCount) + { + delete s_pProps; + s_pProps = nullptr; + } + } + + + template <class TYPE> + ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper<TYPE>::getArrayHelper() + { + OSL_ENSURE(s_nRefCount, "OPropertyArrayUsageHelper::getArrayHelper : suspicious call : have a refcount of 0 !"); + if (!s_pProps) + { + ::osl::MutexGuard aGuard(s_aMutex); + if (!s_pProps) + { + s_pProps = createArrayHelper(); + OSL_ENSURE(s_pProps, "OPropertyArrayUsageHelper::getArrayHelper : createArrayHelper returned nonsense !"); + } + } + return s_pProps; + } + + } +} +#endif // INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_FIREBIRD_SUBCOMPONENT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |