ucb/source/cacher/dynamicresultsetwrapper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_UCB_SOURCE_CACHER_DYNAMICRESULTSETWRAPPER_HXX
  21 #define INCLUDED_UCB_SOURCE_CACHER_DYNAMICRESULTSETWRAPPER_HXX
  22
  23 #include <osl/mutex.hxx>
  24 #include <osl/conditn.hxx>
  25 #include <cppuhelper/weak.hxx>
  26 #include <comphelper/interfacecontainer2.hxx>
  27 #include <com/sun/star/ucb/XDynamicResultSet.hpp>
  28 #include <com/sun/star/ucb/XSourceInitialization.hpp>
  29 #include <com/sun/star/ucb/XDynamicResultSetListener.hpp>
  30 #include <com/sun/star/uno/XComponentContext.hpp>
  31 #include <rtl/ref.hxx>
  32
  33 #include <memory>
  34
  35 class DynamicResultSetWrapperListener;
  36 class DynamicResultSetWrapper
  37                 : public cppu::OWeakObject
  38                 , public css::ucb::XDynamicResultSet
  39                 , public css::ucb::XSourceInitialization
  40 {
  41 private:
  42     //management of listeners
  43     bool                    m_bDisposed; ///Dispose call ready.
  44     bool                    m_bInDispose;///In dispose call
  45     osl::Mutex              m_aContainerMutex;
  46     std::unique_ptr<comphelper::OInterfaceContainerHelper2>
  47                             m_pDisposeEventListeners;
  48 protected:
  49     rtl::Reference<DynamicResultSetWrapperListener>
  50                             m_xMyListenerImpl;
  51
  52     css::uno::Reference< css::uno::XComponentContext >
  53                             m_xContext;
  54
  55     osl::Mutex              m_aMutex;
  56     bool                    m_bStatic;
  57     bool                    m_bGotWelcome;
  58
  59     //different Interfaces from Origin:
  60     css::uno::Reference< css::ucb::XDynamicResultSet >
  61                             m_xSource;
  62     css::uno::Reference< css::sdbc::XResultSet >
  63                             m_xSourceResultOne;
  64     css::uno::Reference< css::sdbc::XResultSet >
  65                             m_xSourceResultTwo;
  66
  67     css::uno::Reference< css::sdbc::XResultSet >
  68                             m_xMyResultOne;
  69     css::uno::Reference< css::sdbc::XResultSet >
  70                             m_xMyResultTwo;
  71
  72     css::uno::Reference< css::ucb::XDynamicResultSetListener >
  73                             m_xListener;
  74
  75     osl::Condition          m_aSourceSet;
  76     osl::Condition          m_aListenerSet;
  77
  78 protected:
  79     void impl_init();
  80     void impl_deinit();
  81     /// @throws css::lang::DisposedException
  82     /// @throws css::uno::RuntimeException
  83     void
  84     impl_EnsureNotDisposed();
  85
  86     virtual void
  87     impl_InitResultSetOne( const css::uno::Reference<
  88                 css::sdbc::XResultSet >& xResultSet );
  89     virtual void
  90     impl_InitResultSetTwo( const css::uno::Reference<
  91                 css::sdbc::XResultSet >& xResultSet );
  92
  93 public:
  94
  95     DynamicResultSetWrapper(
  96         css::uno::Reference< css::ucb::XDynamicResultSet > const & xOrigin
  97         , const css::uno::Reference< css::uno::XComponentContext > & rxContext );
  98
  99     virtual ~DynamicResultSetWrapper() override;
 100
 101
 102     // XInterface
 103     virtual css::uno::Any SAL_CALL
 104     queryInterface( const css::uno::Type & rType ) override;
 105
 106
 107     // XDynamicResultSet
 108     virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL
 109     getStaticResultSet() override;
 110
 111     virtual void SAL_CALL
 112     setListener( const css::uno::Reference< css::ucb::XDynamicResultSetListener > & Listener ) override;
 113
 114     virtual void SAL_CALL
 115     connectToCache( const css::uno::Reference< css::ucb::XDynamicResultSet > & xCache ) override;
 116
 117     virtual sal_Int16 SAL_CALL
 118     getCapabilities() override;
 119
 120
 121     // XComponent ( base of XDynamicResultSet )
 122     virtual void SAL_CALL
 123     dispose() override;
 124
 125     virtual void SAL_CALL
 126     addEventListener( const css::uno::Reference< css::lang::XEventListener >& Listener ) override;
 127
 128     virtual void SAL_CALL
 129     removeEventListener( const css::uno::Reference< css::lang::XEventListener >& Listener ) override;
 130
 131
 132     // XSourceInitialization
 133
 134     virtual void SAL_CALL
 135     setSource(  const css::uno::Reference< css::uno::XInterface > & Source ) override;
 136
 137
 138     // own methods:
 139     /// @throws css::uno::RuntimeException
 140     virtual void
 141     impl_disposing( const css::lang::EventObject& Source );
 142
 143     /// @throws css::uno::RuntimeException
 144     void
 145     impl_notify( const css::ucb::ListEvent& Changes );
 146 };
 147
 148
 149 class DynamicResultSetWrapperListener
 150                 : public cppu::OWeakObject
 151                 , public css::ucb::XDynamicResultSetListener
 152 {
 153 protected:
 154     DynamicResultSetWrapper*    m_pOwner;
 155     osl::Mutex                  m_aMutex;
 156
 157 public:
 158     DynamicResultSetWrapperListener( DynamicResultSetWrapper* pOwner );
 159
 160     virtual ~DynamicResultSetWrapperListener() override;
 161
 162
 163     // XInterface
 164     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
 165     virtual void SAL_CALL acquire()
 166         throw() override;
 167     virtual void SAL_CALL release()
 168         throw() override;
 169
 170     // XEventListener ( base of XDynamicResultSetListener )
 171
 172     virtual void SAL_CALL
 173     disposing( const css::lang::EventObject& Source ) override;
 174
 175     // XDynamicResultSetListener
 176     virtual void SAL_CALL
 177     notify( const css::ucb::ListEvent& Changes ) override;
 178
 179
 180     // own methods:
 181     void impl_OwnerDies();
 182 };
 183
 184
 185 #endif
 186
 187 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */