1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/* -*- 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 .
 */

#include <apitools.hxx>
#include <viewcontainer.hxx>
#include <View.hxx>

#include <comphelper/types.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/dbexception.hxx>

#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>

using namespace dbaccess;
using namespace dbtools;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::container;
using namespace ::osl;
using namespace ::comphelper;
using namespace ::cppu;
using namespace ::connectivity::sdbcx;

// OViewContainer

OViewContainer::OViewContainer(::cppu::OWeakObject& _rParent
                                 ,::osl::Mutex& _rMutex
                                 ,const Reference< XConnection >& _xCon
                                 ,bool _bCase
                                 ,IRefreshListener* _pRefreshListener
                                 ,std::atomic<std::size_t>& _nInAppend)
    :OFilteredContainer(_rParent,_rMutex,_xCon,_bCase,_pRefreshListener,_nInAppend)
    ,m_bInElementRemoved(false)
{
}

OViewContainer::~OViewContainer()
{
}

// XServiceInfo
IMPLEMENT_SERVICE_INFO2(OViewContainer, "com.sun.star.sdb.dbaccess.OViewContainer", SERVICE_SDBCX_CONTAINER, SERVICE_SDBCX_TABLES)<--- There is an unknown macro here somewhere. Configuration is required. If IMPLEMENT_SERVICE_INFO2 is a macro then please configure it.

ObjectType OViewContainer::createObject(const OUString& _rName)
{
    ObjectType xProp;
    if ( m_xMasterContainer.is() && m_xMasterContainer->hasByName(_rName) )
        xProp.set(m_xMasterContainer->getByName(_rName),UNO_QUERY);

    if ( !xProp.is() )
    {
        OUString sCatalog,sSchema,sTable;
        ::dbtools::qualifiedNameComponents(m_xMetaData,
                                            _rName,
                                            sCatalog,
                                            sSchema,
                                            sTable,
                                            ::dbtools::EComposeRule::InDataManipulation);
        return new View(m_xConnection,
                        isCaseSensitive(),
                        sCatalog,
                        sSchema,
                        sTable
                        );
    }

    return xProp;
}

Reference< XPropertySet > OViewContainer::createDescriptor()
{
    Reference< XPropertySet > xRet;
    // first we have to look if the master tables support this
    // and if so then create a table object as well with the master tables
    Reference<XDataDescriptorFactory> xDataFactory(m_xMasterContainer,UNO_QUERY);
    if(xDataFactory.is())
        xRet = xDataFactory->createDataDescriptor();
    else
        xRet = new ::connectivity::sdbcx::OView(isCaseSensitive(),m_xMetaData);

    return xRet;
}

// XAppend
ObjectType OViewContainer::appendObject( const OUString& _rForName, const Reference< XPropertySet >& descriptor )
{
    // append the new table with a create stmt
    OUString aName = getString(descriptor->getPropertyValue(PROPERTY_NAME));

    Reference<XAppend> xAppend(m_xMasterContainer,UNO_QUERY);
    Reference< XPropertySet > xProp = descriptor;
    if(xAppend.is())
    {
        EnsureReset aReset(m_nInAppend);

        xAppend->appendByDescriptor(descriptor);
        if(m_xMasterContainer->hasByName(aName))
            xProp.set(m_xMasterContainer->getByName(aName),UNO_QUERY);
    }
    else
    {
        OUString sComposedName = ::dbtools::composeTableName( m_xMetaData, descriptor, ::dbtools::EComposeRule::InTableDefinitions, true );
        if(sComposedName.isEmpty())
            ::dbtools::throwFunctionSequenceException(static_cast<XTypeProvider*>(static_cast<OFilteredContainer*>(this)));

        OUString sCommand;
        descriptor->getPropertyValue(PROPERTY_COMMAND) >>= sCommand;

        OUString aSQL = "CREATE VIEW " + sComposedName + " AS " + sCommand;

        Reference<XConnection> xCon = m_xConnection;
        OSL_ENSURE(xCon.is(),"Connection is null!");
        if ( xCon.is() )
        {
            ::utl::SharedUNOComponent< XStatement > xStmt( xCon->createStatement() );
            if ( xStmt.is() )
                xStmt->execute( aSQL );
        }
    }

    return createObject( _rForName );
}

// XDrop
void OViewContainer::dropObject(sal_Int32 _nPos, const OUString& _sElementName)
{
    if ( m_bInElementRemoved )
        return;

    Reference< XDrop > xDrop(m_xMasterContainer,UNO_QUERY);
    if(xDrop.is())
        xDrop->dropByName(_sElementName);
    else
    {
        OUString sCatalog,sSchema,sTable,sComposedName;

        Reference<XPropertySet> xTable(getObject(_nPos),UNO_QUERY);
        if ( xTable.is() )
        {
            xTable->getPropertyValue(PROPERTY_CATALOGNAME)  >>= sCatalog;
            xTable->getPropertyValue(PROPERTY_SCHEMANAME)   >>= sSchema;
            xTable->getPropertyValue(PROPERTY_NAME)         >>= sTable;

            sComposedName = ::dbtools::composeTableName( m_xMetaData, sCatalog, sSchema, sTable, true, ::dbtools::EComposeRule::InTableDefinitions );
        }

        if(sComposedName.isEmpty())
            ::dbtools::throwFunctionSequenceException(static_cast<XTypeProvider*>(static_cast<OFilteredContainer*>(this)));

        OUString aSql = "DROP VIEW " + sComposedName;
        Reference<XConnection> xCon = m_xConnection;
        OSL_ENSURE(xCon.is(),"Connection is null!");
        if ( xCon.is() )
        {
            Reference< XStatement > xStmt = xCon->createStatement(  );
            if(xStmt.is())
                xStmt->execute(aSql);
            ::comphelper::disposeComponent(xStmt);
        }
    }
}

void SAL_CALL OViewContainer::elementInserted( const ContainerEvent& Event )
{
    ::osl::MutexGuard aGuard(m_rMutex);
    OUString sName;
    if  (   ( Event.Accessor >>= sName )
        &&  ( !m_nInAppend )
        &&  ( !hasByName( sName ) )
        )
    {
        Reference<XPropertySet> xProp(Event.Element,UNO_QUERY);
        OUString sType;
        xProp->getPropertyValue(PROPERTY_TYPE) >>= sType;
        if ( sType == "VIEW" )
            insertElement(sName,createObject(sName));
    }
}

void SAL_CALL OViewContainer::elementRemoved( const ContainerEvent& Event )
{
    ::osl::MutexGuard aGuard(m_rMutex);
    OUString sName;
    if ( !((Event.Accessor >>= sName) && hasByName(sName)) )
        return;

    m_bInElementRemoved = true;
    try
    {
        dropByName(sName);
    }
    catch(Exception&)
    {
        m_bInElementRemoved = false;
        throw;
    }
    m_bInElementRemoved = false;
}

void SAL_CALL OViewContainer::disposing( const css::lang::EventObject& /*Source*/ )
{
}

void SAL_CALL OViewContainer::elementReplaced( const ContainerEvent& /*Event*/ )
{
}

OUString OViewContainer::getTableTypeRestriction() const
{
    // no restriction at all (other than the ones provided externally)
    return "VIEW";
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */