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libreoffice/dbaccess/source/core/api/viewcontainer.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

252 lines
8.1 KiB
C++

/* -*- 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 <strings.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::sdbcx;
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
OUString SAL_CALL OViewContainer::getImplementationName()
{
return u"com.sun.star.sdb.dbaccess.OViewContainer"_ustr;
}
sal_Bool SAL_CALL OViewContainer::supportsService(const OUString& _rServiceName)
{
const css::uno::Sequence< OUString > aSupported(getSupportedServiceNames());
for (const OUString& s : aSupported)
if (s == _rServiceName)
return true;
return false;
}
css::uno::Sequence< OUString > SAL_CALL OViewContainer::getSupportedServiceNames()
{
return { SERVICE_SDBCX_CONTAINER, SERVICE_SDBCX_TABLES };
}
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 sComposedName;
Reference<XPropertySet> xTable(getObject(_nPos),UNO_QUERY);
if ( xTable.is() )
{
OUString sCatalog,sSchema,sTable;
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 u"VIEW"_ustr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */