596 lines
20 KiB
C++
596 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <statement.hxx>
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#include "resultset.hxx"
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#include <stringconstants.hxx>
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#include <strings.hxx>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
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#include <com/sun/star/sdbc/SQLException.hpp>
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#include <cppuhelper/queryinterface.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <cppuhelper/typeprovider.hxx>
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#include <comphelper/property.hxx>
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#include <comphelper/types.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <connectivity/dbexception.hxx>
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#include <connection.hxx>
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using namespace ::com::sun::star::sdb;
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::cppu;
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using namespace ::osl;
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using namespace dbaccess;
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using namespace dbtools;
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OStatementBase::OStatementBase(const rtl::Reference< OConnection > & _xConn,
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const Reference< XInterface > & _xStatement)
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:WeakComponentImplHelper(m_aMutex)
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,OPropertySetHelper(WeakComponentImplHelper::rBHelper)
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,m_xParent(_xConn.get())
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,m_bUseBookmarks( false )
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,m_bEscapeProcessing( true )
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{
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OSL_ENSURE(_xStatement.is() ,"Statement is NULL!");
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m_xAggregateAsSet.set(_xStatement,UNO_QUERY);
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m_xAggregateAsCancellable.set(m_xAggregateAsSet, UNO_QUERY);
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}
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OStatementBase::~OStatementBase()
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{
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}
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// css::lang::XTypeProvider
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Sequence< Type > OStatementBase::getTypes()
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{
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OTypeCollection aTypes(cppu::UnoType<XPropertySet>::get(),
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cppu::UnoType<XWarningsSupplier>::get(),
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cppu::UnoType<XCloseable>::get(),
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cppu::UnoType<XMultipleResults>::get(),
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cppu::UnoType<css::util::XCancellable>::get(),
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::cppu::WeakComponentImplHelper<>::getTypes() );
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Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY);
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if ( xGRes.is() )
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aTypes = OTypeCollection(cppu::UnoType<XGeneratedResultSet>::get(),aTypes.getTypes());
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Reference< XPreparedBatchExecution > xPreparedBatchExecution(m_xAggregateAsSet, UNO_QUERY);
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if ( xPreparedBatchExecution.is() )
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aTypes = OTypeCollection(cppu::UnoType<XPreparedBatchExecution>::get(),aTypes.getTypes());
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return aTypes.getTypes();
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}
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// css::uno::XInterface
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Any OStatementBase::queryInterface( const Type & rType )
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{
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Any aIface = ::cppu::WeakComponentImplHelper<>::queryInterface( rType );
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if (!aIface.hasValue())
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{
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aIface = ::cppu::queryInterface(
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rType,
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static_cast< XPropertySet * >( this ),
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static_cast< XWarningsSupplier * >( this ),
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static_cast< XCloseable * >( this ),
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static_cast< XMultipleResults * >( this ),
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static_cast< css::util::XCancellable * >( this ));
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if ( !aIface.hasValue() )
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{
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Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY);
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if ( cppu::UnoType<XGeneratedResultSet>::get()== rType && xGRes.is() )
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aIface = ::cppu::queryInterface(rType,static_cast< XGeneratedResultSet * >( this ));
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}
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if ( !aIface.hasValue() )
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{
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Reference< XPreparedBatchExecution > xGRes(m_xAggregateAsSet, UNO_QUERY);
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if ( cppu::UnoType<XPreparedBatchExecution>::get()== rType && xGRes.is() )
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aIface = ::cppu::queryInterface(rType,static_cast< XPreparedBatchExecution * >( this ));
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}
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}
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return aIface;
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}
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void OStatementBase::acquire() noexcept
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{
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::cppu::WeakComponentImplHelper<>::acquire();
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}
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void OStatementBase::release() noexcept
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{
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::cppu::WeakComponentImplHelper<>::release();
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}
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void OStatementBase::disposeResultSet()
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{
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// free the cursor if alive
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Reference< XComponent > xComp(m_aResultSet.get(), UNO_QUERY);
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if (xComp.is())
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xComp->dispose();
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m_aResultSet.clear();
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}
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// OComponentHelper
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void OStatementBase::disposing()
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{
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OPropertySetHelper::disposing();
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MutexGuard aGuard(m_aMutex);
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// free pending results
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disposeResultSet();
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// free the original statement
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{
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MutexGuard aCancelGuard(m_aCancelMutex);
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m_xAggregateAsCancellable = nullptr;
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}
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if ( m_xAggregateAsSet.is() )
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{
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try
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{
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Reference< XCloseable > (m_xAggregateAsSet, UNO_QUERY_THROW)->close();
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}
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catch(RuntimeException& )
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{// don't care for anymore
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}
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catch (SQLException&)
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{// don't care for anymore
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}
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}
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m_xAggregateAsSet = nullptr;
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// free the parent at last
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::cppu::WeakComponentImplHelper<>::disposing();
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}
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// XCloseable
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void OStatementBase::close()
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{
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{
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MutexGuard aGuard( m_aMutex );
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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}
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dispose();
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}
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// OPropertySetHelper
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Reference< XPropertySetInfo > OStatementBase::getPropertySetInfo()
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{
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return createPropertySetInfo( getInfoHelper() ) ;
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}
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// comphelper::OPropertyArrayUsageHelper
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::cppu::IPropertyArrayHelper* OStatementBase::createArrayHelper( ) const
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{
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return new ::cppu::OPropertyArrayHelper
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{
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{
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{ PROPERTY_CURSORNAME, PROPERTY_ID_CURSORNAME, cppu::UnoType<OUString>::get(), 0 },
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{ PROPERTY_ESCAPE_PROCESSING, PROPERTY_ID_ESCAPE_PROCESSING, cppu::UnoType<bool>::get(), 0 },
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{ PROPERTY_FETCHDIRECTION, PROPERTY_ID_FETCHDIRECTION, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_FETCHSIZE, PROPERTY_ID_FETCHSIZE, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_MAXFIELDSIZE, PROPERTY_ID_MAXFIELDSIZE, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_MAXROWS, PROPERTY_ID_MAXROWS, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_QUERYTIMEOUT, PROPERTY_ID_QUERYTIMEOUT, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_RESULTSETCONCURRENCY, PROPERTY_ID_RESULTSETCONCURRENCY, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_RESULTSETTYPE, PROPERTY_ID_RESULTSETTYPE, cppu::UnoType<sal_Int32>::get(), 0 },
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{ PROPERTY_USEBOOKMARKS, PROPERTY_ID_USEBOOKMARKS, cppu::UnoType<bool>::get(), 0 }
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}
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};
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}
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// cppu::OPropertySetHelper
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::cppu::IPropertyArrayHelper& OStatementBase::getInfoHelper()
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{
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return *getArrayHelper();
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}
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sal_Bool OStatementBase::convertFastPropertyValue(Any & rConvertedValue, Any & rOldValue, sal_Int32 nHandle, const Any& rValue )
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{
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bool bModified(false);
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switch (nHandle)
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{
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case PROPERTY_ID_USEBOOKMARKS:
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bModified = ::comphelper::tryPropertyValue( rConvertedValue, rOldValue, rValue, m_bUseBookmarks );
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break;
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case PROPERTY_ID_ESCAPE_PROCESSING:
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bModified = ::comphelper::tryPropertyValue( rConvertedValue, rOldValue, rValue, m_bEscapeProcessing );
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break;
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default:
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if ( m_xAggregateAsSet.is() )
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{
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// get the property name
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OUString sPropName;
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getInfoHelper().fillPropertyMembersByHandle( &sPropName, nullptr, nHandle );
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// now set the value
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Any aCurrentValue = m_xAggregateAsSet->getPropertyValue( sPropName );
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if ( aCurrentValue != rValue )
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{
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rOldValue = std::move(aCurrentValue);
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rConvertedValue = rValue;
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bModified = true;
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}
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}
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break;
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}
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return bModified;
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}
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void OStatementBase::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue )
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{
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switch ( nHandle )
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{
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case PROPERTY_ID_USEBOOKMARKS:
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{
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m_bUseBookmarks = ::comphelper::getBOOL( rValue );
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if ( m_xAggregateAsSet.is() && m_xAggregateAsSet->getPropertySetInfo()->hasPropertyByName( PROPERTY_USEBOOKMARKS ) )
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m_xAggregateAsSet->setPropertyValue( PROPERTY_USEBOOKMARKS, rValue );
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}
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break;
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case PROPERTY_ID_ESCAPE_PROCESSING:
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m_bEscapeProcessing = ::comphelper::getBOOL( rValue );
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if ( m_xAggregateAsSet.is() )
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m_xAggregateAsSet->setPropertyValue( PROPERTY_ESCAPE_PROCESSING, rValue );
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break;
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default:
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if ( m_xAggregateAsSet.is() )
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{
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OUString sPropName;
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getInfoHelper().fillPropertyMembersByHandle( &sPropName, nullptr, nHandle );
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m_xAggregateAsSet->setPropertyValue( sPropName, rValue );
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}
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break;
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}
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}
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void OStatementBase::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
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{
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switch (nHandle)
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{
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case PROPERTY_ID_USEBOOKMARKS:
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rValue <<= m_bUseBookmarks;
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break;
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case PROPERTY_ID_ESCAPE_PROCESSING:
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// don't rely on our aggregate - if it implements this wrong, and always returns
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// TRUE here, then we would loop in impl_doEscapeProcessing_nothrow
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rValue <<= m_bEscapeProcessing;
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break;
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default:
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if ( m_xAggregateAsSet.is() )
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{
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OUString sPropName;
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const_cast< OStatementBase* >( this )->getInfoHelper().fillPropertyMembersByHandle( &sPropName, nullptr, nHandle );
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rValue = m_xAggregateAsSet->getPropertyValue( sPropName );
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}
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break;
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}
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}
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// XWarningsSupplier
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Any OStatementBase::getWarnings()
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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return Reference< XWarningsSupplier >(m_xAggregateAsSet, UNO_QUERY_THROW)->getWarnings();
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}
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void OStatementBase::clearWarnings()
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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Reference< XWarningsSupplier >(m_xAggregateAsSet, UNO_QUERY_THROW)->clearWarnings();
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}
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// css::util::XCancellable
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void OStatementBase::cancel()
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{
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// no blocking as cancel is typically called from a different thread
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MutexGuard aCancelGuard(m_aCancelMutex);
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if (m_xAggregateAsCancellable.is())
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m_xAggregateAsCancellable->cancel();
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// else do nothing
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}
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// XMultipleResults
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Reference< XResultSet > SAL_CALL OStatementBase::getResultSet( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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// first check the meta data
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Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
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if (!xMeta.is() || !xMeta->supportsMultipleResultSets())
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throwFunctionSequenceException(*this);
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return Reference< XMultipleResults >(m_xAggregateAsSet, UNO_QUERY_THROW)->getResultSet();
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}
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sal_Int32 SAL_CALL OStatementBase::getUpdateCount( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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// first check the meta data
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Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
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if (!xMeta.is() || !xMeta->supportsMultipleResultSets())
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throwFunctionSequenceException(*this);
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return Reference< XMultipleResults >(m_xAggregateAsSet, UNO_QUERY_THROW)->getUpdateCount();
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}
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sal_Bool SAL_CALL OStatementBase::getMoreResults( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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// first check the meta data
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Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
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if (!xMeta.is() || !xMeta->supportsMultipleResultSets())
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throwFunctionSequenceException(*this);
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// free the previous results
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disposeResultSet();
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return Reference< XMultipleResults >(m_xAggregateAsSet, UNO_QUERY_THROW)->getMoreResults();
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}
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// XPreparedBatchExecution
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void SAL_CALL OStatementBase::addBatch( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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// first check the meta data
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Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
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if (!xMeta.is() || !xMeta->supportsBatchUpdates())
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throwFunctionSequenceException(*this);
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Reference< XPreparedBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->addBatch();
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}
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void SAL_CALL OStatementBase::clearBatch( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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// first check the meta data
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Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
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if (!xMeta.is() || !xMeta->supportsBatchUpdates())
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throwFunctionSequenceException(*this);
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Reference< XPreparedBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->clearBatch();
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}
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Sequence< sal_Int32 > SAL_CALL OStatementBase::executeBatch( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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// first check the meta data
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Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
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if (!xMeta.is() || !xMeta->supportsBatchUpdates())
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throwFunctionSequenceException(*this);
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// free the previous results
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disposeResultSet();
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return Reference< XPreparedBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->executeBatch();
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}
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Reference< XResultSet > SAL_CALL OStatementBase::getGeneratedValues( )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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Reference< XGeneratedResultSet > xGRes(m_xAggregateAsSet, UNO_QUERY);
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if ( xGRes.is() )
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return xGRes->getGeneratedValues( );
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return Reference< XResultSet >();
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}
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// OStatement
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OStatement::OStatement( const rtl::Reference< OConnection >& _xConn, const Reference< XInterface > & _xStatement )
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:OStatementBase( _xConn, _xStatement )
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,m_bAttemptedComposerCreation( false )
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{
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m_xAggregateStatement.set( _xStatement, UNO_QUERY_THROW );
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}
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IMPLEMENT_FORWARD_XINTERFACE2( OStatement, OStatementBase, OStatement_IFACE );
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IMPLEMENT_FORWARD_XTYPEPROVIDER2( OStatement, OStatementBase, OStatement_IFACE );
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// XServiceInfo
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OUString OStatement::getImplementationName( )
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{
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return u"com.sun.star.sdb.OStatement"_ustr;
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}
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sal_Bool OStatement::supportsService( const OUString& _rServiceName )
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{
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return cppu::supportsService(this, _rServiceName);
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}
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Sequence< OUString > OStatement::getSupportedServiceNames( )
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{
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return { SERVICE_SDBC_STATEMENT };
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}
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// XStatement
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Reference< XResultSet > OStatement::executeQuery( const OUString& _rSQL )
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{
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MutexGuard aGuard(m_aMutex);
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::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
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disposeResultSet();
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Reference< XResultSet > xResultSet;
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OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
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Reference< XResultSet > xInnerResultSet = m_xAggregateStatement->executeQuery( sSQL );
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Reference< XConnection > xConnection( m_xParent, UNO_QUERY_THROW );
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if ( xInnerResultSet.is() )
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{
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Reference< XDatabaseMetaData > xMeta = xConnection->getMetaData();
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bool bCaseSensitive = xMeta.is() && xMeta->supportsMixedCaseQuotedIdentifiers();
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xResultSet = new OResultSet( xInnerResultSet, *this, bCaseSensitive );
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// keep the resultset weak
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m_aResultSet = xResultSet;
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}
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return xResultSet;
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}
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sal_Int32 OStatement::executeUpdate( const OUString& _rSQL )
|
|
{
|
|
MutexGuard aGuard(m_aMutex);
|
|
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
|
|
|
|
disposeResultSet();
|
|
|
|
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
|
|
return m_xAggregateStatement->executeUpdate( sSQL );
|
|
}
|
|
|
|
sal_Bool OStatement::execute( const OUString& _rSQL )
|
|
{
|
|
MutexGuard aGuard(m_aMutex);
|
|
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
|
|
|
|
disposeResultSet();
|
|
|
|
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
|
|
return m_xAggregateStatement->execute( sSQL );
|
|
}
|
|
|
|
void OStatement::addBatch( const OUString& _rSQL )
|
|
{
|
|
MutexGuard aGuard(m_aMutex);
|
|
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
|
|
|
|
// first check the meta data
|
|
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
|
|
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
|
|
throwFunctionSequenceException(*this);
|
|
|
|
OUString sSQL( impl_doEscapeProcessing_nothrow( _rSQL ) );
|
|
Reference< XBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->addBatch( sSQL );
|
|
}
|
|
|
|
void OStatement::clearBatch( )
|
|
{
|
|
MutexGuard aGuard(m_aMutex);
|
|
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
|
|
// first check the meta data
|
|
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
|
|
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
|
|
throwFunctionSequenceException(*this);
|
|
|
|
Reference< XBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->clearBatch();
|
|
}
|
|
|
|
Sequence< sal_Int32 > OStatement::executeBatch( )
|
|
{
|
|
MutexGuard aGuard(m_aMutex);
|
|
::connectivity::checkDisposed(WeakComponentImplHelper::rBHelper.bDisposed);
|
|
// first check the meta data
|
|
Reference<XDatabaseMetaData> xMeta = Reference< XConnection > (m_xParent, UNO_QUERY_THROW)->getMetaData();
|
|
if (!xMeta.is() || !xMeta->supportsBatchUpdates())
|
|
throwFunctionSequenceException(*this);
|
|
return Reference< XBatchExecution >(m_xAggregateAsSet, UNO_QUERY_THROW)->executeBatch( );
|
|
}
|
|
|
|
|
|
Reference< XConnection > OStatement::getConnection()
|
|
{
|
|
return m_xParent.get();
|
|
}
|
|
|
|
void SAL_CALL OStatement::disposing()
|
|
{
|
|
OStatementBase::disposing();
|
|
m_xComposer.clear();
|
|
m_xAggregateStatement.clear();
|
|
}
|
|
|
|
OUString OStatement::impl_doEscapeProcessing_nothrow( const OUString& _rSQL ) const
|
|
{
|
|
if ( !m_bEscapeProcessing )
|
|
return _rSQL;
|
|
try
|
|
{
|
|
if ( !impl_ensureComposer_nothrow() )
|
|
return _rSQL;
|
|
|
|
bool bParseable = false;
|
|
try { m_xComposer->setQuery( _rSQL ); bParseable = true; }
|
|
catch( const SQLException& ) { }
|
|
|
|
if ( !bParseable )
|
|
// if we cannot parse it, silently accept this. The driver is probably able to cope with it then
|
|
return _rSQL;
|
|
|
|
OUString sLowLevelSQL = m_xComposer->getQueryWithSubstitution();
|
|
return sLowLevelSQL;
|
|
}
|
|
catch( const Exception& )
|
|
{
|
|
DBG_UNHANDLED_EXCEPTION("dbaccess");
|
|
}
|
|
|
|
return _rSQL;
|
|
}
|
|
|
|
bool OStatement::impl_ensureComposer_nothrow() const
|
|
{
|
|
if ( m_bAttemptedComposerCreation )
|
|
return m_xComposer.is();
|
|
|
|
const_cast< OStatement* >( this )->m_bAttemptedComposerCreation = true;
|
|
try
|
|
{
|
|
Reference< XMultiServiceFactory > xFactory( m_xParent, UNO_QUERY_THROW );
|
|
const_cast< OStatement* >( this )->m_xComposer.set( xFactory->createInstance( SERVICE_NAME_SINGLESELECTQUERYCOMPOSER ), UNO_QUERY_THROW );
|
|
}
|
|
catch( const Exception& )
|
|
{
|
|
DBG_UNHANDLED_EXCEPTION("dbaccess");
|
|
}
|
|
|
|
return m_xComposer.is();
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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