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.
   4  *
   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 #pragma once
  21
  22 #include <mutex>
  23 #include <osl/conditn.hxx>
  24 #include <cppuhelper/weak.hxx>
  25 #include <comphelper/interfacecontainer4.hxx>
  26 #include <com/sun/star/ucb/XDynamicResultSet.hpp>
  27 #include <com/sun/star/ucb/XSourceInitialization.hpp>
  28 #include <com/sun/star/ucb/XDynamicResultSetListener.hpp>
  29 #include <com/sun/star/uno/XComponentContext.hpp>
  30 #include <rtl/ref.hxx>
  31
  32 #include <memory>
  33
  34 class DynamicResultSetWrapperListener;
  35 class DynamicResultSetWrapper
  36                 : public cppu::OWeakObject
  37                 , public css::ucb::XDynamicResultSet
  38                 , public css::ucb::XSourceInitialization
  39 {
  40 private:
  41     //management of listeners
  42     bool                    m_bDisposed; ///Dispose call ready.
  43     bool                    m_bInDispose;///In dispose call
  44     comphelper::OInterfaceContainerHelper4<css::lang::XEventListener>
  45                             m_aDisposeEventListeners;
  46 protected:
  47     rtl::Reference<DynamicResultSetWrapperListener>
  48                             m_xMyListenerImpl;
  49
  50     css::uno::Reference< css::uno::XComponentContext >
  51                             m_xContext;
  52
  53     std::mutex              m_aMutex;
  54     bool                    m_bStatic;
  55     bool                    m_bGotWelcome;
  56
  57     //different Interfaces from Origin:
  58     css::uno::Reference< css::ucb::XDynamicResultSet >
  59                             m_xSource;
  60     css::uno::Reference< css::sdbc::XResultSet >
  61                             m_xSourceResultOne;
  62     css::uno::Reference< css::sdbc::XResultSet >
  63                             m_xSourceResultTwo;
  64
  65     css::uno::Reference< css::sdbc::XResultSet >
  66                             m_xMyResultOne;
  67     css::uno::Reference< css::sdbc::XResultSet >
  68                             m_xMyResultTwo;
  69
  70     css::uno::Reference< css::ucb::XDynamicResultSetListener >
  71                             m_xListener;
  72
  73     osl::Condition          m_aSourceSet;
  74     osl::Condition          m_aListenerSet;
  75
  76 protected:
  77     void impl_init();
  78     void impl_deinit();
  79     /// @throws css::lang::DisposedException
  80     /// @throws css::uno::RuntimeException
  81     void
  82     impl_EnsureNotDisposed(std::unique_lock<std::mutex>& rGuard);
  83
  84     virtual void
  85     impl_InitResultSetOne( std::unique_lock<std::mutex>& rGuard, const css::uno::Reference<
  86                 css::sdbc::XResultSet >& xResultSet );
  87     virtual void
  88     impl_InitResultSetTwo( std::unique_lock<std::mutex>& rGuard, const css::uno::Reference<
  89                 css::sdbc::XResultSet >& xResultSet );
  90
  91 public:
  92
  93     DynamicResultSetWrapper(
  94         css::uno::Reference< css::ucb::XDynamicResultSet > const & xOrigin
  95         , const css::uno::Reference< css::uno::XComponentContext > & rxContext );
  96
  97     virtual ~DynamicResultSetWrapper() override;
  98
  99
 100     // XInterface
 101     virtual css::uno::Any SAL_CALL
 102     queryInterface( const css::uno::Type & rType ) override;
 103
 104
 105     // XDynamicResultSet
 106     virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL
 107     getStaticResultSet() override;
 108
 109     virtual void SAL_CALL
 110     setListener( const css::uno::Reference< css::ucb::XDynamicResultSetListener > & Listener ) override;
 111
 112     virtual void SAL_CALL
 113     connectToCache( const css::uno::Reference< css::ucb::XDynamicResultSet > & xCache ) override;
 114
 115     virtual sal_Int16 SAL_CALL
 116     getCapabilities() override;
 117
 118
 119     // XComponent ( base of XDynamicResultSet )
 120     virtual void SAL_CALL
 121     dispose() override;
 122
 123     virtual void SAL_CALL
 124     addEventListener( const css::uno::Reference< css::lang::XEventListener >& Listener ) override;
 125
 126     virtual void SAL_CALL
 127     removeEventListener( const css::uno::Reference< css::lang::XEventListener >& Listener ) override;
 128
 129
 130     // XSourceInitialization
 131
 132     virtual void SAL_CALL
 133     setSource(  const css::uno::Reference< css::uno::XInterface > & Source ) override;
 134
 135
 136     // own methods:
 137     /// @throws css::uno::RuntimeException
 138     virtual void
 139     impl_disposing( const css::lang::EventObject& Source );
 140
 141     /// @throws css::uno::RuntimeException
 142     void
 143     impl_notify( const css::ucb::ListEvent& Changes );
 144 };
 145
 146
 147 class DynamicResultSetWrapperListener
 148                 : public cppu::OWeakObject
 149                 , public css::ucb::XDynamicResultSetListener
 150 {
 151     DynamicResultSetWrapper*    m_pOwner;
 152     std::mutex                  m_aMutex;
 153
 154 public:
 155     DynamicResultSetWrapperListener( DynamicResultSetWrapper* pOwner );
 156
 157     virtual ~DynamicResultSetWrapperListener() override;
 158
 159
 160     // XInterface
 161     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
 162     virtual void SAL_CALL acquire()
 163         noexcept override;
 164     virtual void SAL_CALL release()
 165         noexcept override;
 166
 167     // XEventListener ( base of XDynamicResultSetListener )
 168
 169     virtual void SAL_CALL
 170     disposing( const css::lang::EventObject& Source ) override;
 171
 172     // XDynamicResultSetListener
 173     virtual void SAL_CALL
 174     notify( const css::ucb::ListEvent& Changes ) override;
 175
 176
 177     // own methods:
 178     void impl_OwnerDies();
 179 };
 180
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */