connectivity/source/drivers/postgresql/pq_connection.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  *  Effective License of whole file:
   5  *
   6  *    This library is free software; you can redistribute it and/or
   7  *    modify it under the terms of the GNU Lesser General Public
   8  *    License version 2.1, as published by the Free Software Foundation.
   9  *
  10  *    This library is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *    Lesser General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU Lesser General Public
  16  *    License along with this library; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  *    MA  02111-1307  USA
  19  *
  20  *  Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
  21  *
  22  *    The Contents of this file are made available subject to the terms of
  23  *    the GNU Lesser General Public License Version 2.1
  24  *
  25  *    Copyright: 2000 by Sun Microsystems, Inc.
  26  *
  27  *    Contributor(s): Joerg Budischewski
  28  *
  29  *  All parts contributed on or after August 2011:
  30  *
  31  *    This Source Code Form is subject to the terms of the Mozilla Public
  32  *    License, v. 2.0. If a copy of the MPL was not distributed with this
  33  *    file, You can obtain one at http://mozilla.org/MPL/2.0/.
  34  *
  35  ************************************************************************/
  36
  37 #pragma once
  38
  39 #include <config_lgpl.h>
  40 #include <com/sun/star/uno/XComponentContext.hpp>
  41 #include <com/sun/star/lang/XInitialization.hpp>
  42 #include <com/sun/star/script/XTypeConverter.hpp>
  43 #include <com/sun/star/sdbc/XWarningsSupplier.hpp>
  44 #include <com/sun/star/sdbcx/XTablesSupplier.hpp>
  45 #include <com/sun/star/sdbcx/XUsersSupplier.hpp>
  46 #include <com/sun/star/sdbcx/XViewsSupplier.hpp>
  47 #include <com/sun/star/sdbc/XConnection.hpp>
  48
  49 #include <com/sun/star/container/XNameAccess.hpp>
  50
  51 #include <rtl/ref.hxx>
  52 #include <rtl/byteseq.hxx>
  53
  54 #include <comphelper/refcountedmutex.hxx>
  55
  56 #include <cppuhelper/weakref.hxx>
  57 #include <cppuhelper/compbase.hxx>
  58 #include <functional>
  59
  60 #include <libpq-fe.h>
  61 #include <unordered_map>
  62
  63 #include "pq_xtables.hxx"
  64 #include "pq_xviews.hxx"
  65
  66 namespace pq_sdbc_driver
  67 {
  68 struct ConnectionSettings;
  69 class DatabaseMetaData;
  70
  71 struct ConnectionSettings
  72 {
  73     ConnectionSettings() :
  74         pConnection(nullptr),
  75         maxNameLen(0),
  76         maxIndexKeys(0)
  77     {}
  78     static const rtl_TextEncoding encoding = RTL_TEXTENCODING_UTF8;
  79     PGconn *pConnection;
  80     sal_Int32 maxNameLen;
  81     sal_Int32 maxIndexKeys;
  82     css::uno::Reference< css::script::XTypeConverter > tc;
  83     css::uno::Reference< css::container::XNameAccess > tables;
  84     css::uno::Reference< css::container::XNameAccess > users;
  85     css::uno::Reference< css::container::XNameAccess > views;
  86     rtl::Reference<Tables> pTablesImpl;  // needed to implement renaming of tables / views
  87     rtl::Reference<Views> pViewsImpl;   // needed to implement renaming of tables / views
  88     OUString user;
  89     OUString catalog;
  90 };
  91
  92
  93 typedef cppu::WeakComponentImplHelper<
  94     css::sdbc::XConnection,
  95     css::sdbc::XWarningsSupplier,
  96     css::lang::XInitialization,
  97     css::sdbcx::XTablesSupplier,
  98     css::sdbcx::XViewsSupplier,
  99     css::sdbcx::XUsersSupplier > ConnectionBase;
 100
 101 // some types
 102 struct HashByteSequence
 103 {
 104     sal_Int32 operator () ( const ::rtl::ByteSequence & seq ) const
 105     {
 106         return *reinterpret_cast<sal_Int32 const *>(seq.getConstArray());
 107     }
 108 };
 109
 110 typedef std::unordered_map<
 111     ::rtl::ByteSequence,
 112     css::uno::WeakReference< css::sdbc::XCloseable >,
 113     HashByteSequence > WeakHashMap;
 114
 115
 116 typedef std::unordered_map
 117 <
 118     sal_Int32,
 119     OUString
 120 > Int2StringMap;
 121
 122 class Connection : public ConnectionBase
 123 {
 124     css::uno::Reference< css::uno::XComponentContext > m_ctx;
 125     css::uno::Reference< css::container::XNameAccess > m_typeMap;
 126     ConnectionSettings m_settings;
 127     ::rtl::Reference< comphelper::RefCountedMutex > m_xMutex;
 128     rtl::Reference< DatabaseMetaData > m_meta;
 129     WeakHashMap m_myStatements;
 130
 131 private:
 132     /// @throws css::sdbc::SQLException
 133     /// @throws css::uno::RuntimeException
 134     void checkClosed();
 135
 136 public:
 137     Connection(
 138         const rtl::Reference< comphelper::RefCountedMutex > &refMutex,
 139         css::uno::Reference< css::uno::XComponentContext > ctx );
 140
 141     virtual ~Connection( ) override;
 142
 143 public: // XCloseable
 144     virtual void SAL_CALL close() override;
 145
 146 public: // XConnection
 147
 148     virtual css::uno::Reference< css::sdbc::XStatement > SAL_CALL createStatement(  ) override ;
 149     virtual css::uno::Reference< css::sdbc::XPreparedStatement > SAL_CALL prepareStatement(
 150         const OUString& sql ) override;
 151     virtual css::uno::Reference< css::sdbc::XPreparedStatement > SAL_CALL prepareCall(
 152         const OUString& sql ) override;
 153     virtual OUString SAL_CALL nativeSQL( const OUString& sql ) override;
 154     virtual void SAL_CALL setAutoCommit( sal_Bool autoCommit ) override;
 155     virtual sal_Bool SAL_CALL getAutoCommit(  ) override;
 156     virtual void SAL_CALL commit(  ) override;
 157     virtual void SAL_CALL rollback(  ) override;
 158     virtual sal_Bool SAL_CALL isClosed(  ) override;
 159     virtual css::uno::Reference< css::sdbc::XDatabaseMetaData > SAL_CALL getMetaData(  ) override;
 160     virtual void SAL_CALL setReadOnly( sal_Bool readOnly ) override;
 161     virtual sal_Bool SAL_CALL isReadOnly(  ) override;
 162     virtual void SAL_CALL setCatalog( const OUString& catalog ) override;
 163     virtual OUString SAL_CALL getCatalog(  ) override;
 164     virtual void SAL_CALL setTransactionIsolation( sal_Int32 level ) override;
 165     virtual sal_Int32 SAL_CALL getTransactionIsolation(  ) override;
 166     virtual css::uno::Reference< css::container::XNameAccess > SAL_CALL getTypeMap(  ) override;
 167     virtual void SAL_CALL setTypeMap(
 168         const css::uno::Reference< css::container::XNameAccess >& typeMap ) override;
 169
 170 public: // XWarningsSupplier
 171     virtual css::uno::Any SAL_CALL getWarnings(  ) override;
 172     virtual void SAL_CALL clearWarnings(  ) override;
 173
 174 public: // XInitialization
 175     virtual void SAL_CALL initialize(
 176         const css::uno::Sequence< css::uno::Any >& aArguments ) override;
 177
 178 public: // XTablesSupplier
 179     virtual css::uno::Reference< css::container::XNameAccess > SAL_CALL getTables(  ) override;
 180
 181 public: // XUsersSupplier
 182     virtual css::uno::Reference< css::container::XNameAccess > SAL_CALL getUsers(  ) override;
 183
 184 public: // XViewsSupplier
 185     virtual css::uno::Reference< css::container::XNameAccess > SAL_CALL getViews(  ) override;
 186
 187 public:
 188     virtual void SAL_CALL disposing() override;
 189
 190 public: // helper function
 191     void removeFromWeakMap( const ::rtl::ByteSequence & seq );
 192 };
 193
 194 }
 195
 196 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */