xref: /trunk/main/connectivity/source/commontools/TColumnsHelper.cxx (revision 9b5730f6ddef7eb82608ca4d31dc0d7678e652cf)

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "connectivity/TColumnsHelper.hxx"
#include "connectivity/sdbcx/VColumn.hxx"
#include "connectivity/sdbcx/VColumn.hxx"
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
#include <comphelper/types.hxx>
#include "connectivity/dbtools.hxx"
#include "TConnection.hxx"
#include "connectivity/TTableHelper.hxx"
#include <comphelper/property.hxx>

using namespace ::comphelper;


using namespace connectivity::sdbcx;
using namespace connectivity;
using namespace dbtools;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
typedef connectivity::sdbcx::OCollection OCollection_TYPE;

namespace connectivity
{
    class OColumnsHelperImpl
    {
    public:
        OColumnsHelperImpl(sal_Bool _bCase)
            : m_aColumnInfo(_bCase)
        {
        }
        ColumnInformationMap m_aColumnInfo;
    };
}

OColumnsHelper::OColumnsHelper( ::cppu::OWeakObject& _rParent
                                ,sal_Bool _bCase
                                ,::osl::Mutex& _rMutex
                                ,const TStringVector &_rVector
                                ,sal_Bool _bUseHardRef
            ) : OCollection(_rParent,_bCase,_rMutex,_rVector,sal_False,_bUseHardRef)
    ,m_pImpl(NULL)
    ,m_pTable(NULL)
{
}
// -----------------------------------------------------------------------------
OColumnsHelper::~OColumnsHelper()
{
    delete m_pImpl;
    m_pImpl = NULL;
}
// -----------------------------------------------------------------------------

sdbcx::ObjectType OColumnsHelper::createObject(const ::rtl::OUString& _rName)
{
    OSL_ENSURE(m_pTable,"NO Table set. Error!");
    Reference<XConnection> xConnection = m_pTable->getConnection();

    if ( !m_pImpl )
        m_pImpl = new OColumnsHelperImpl(isCaseSensitive());

    sal_Bool bQueryInfo     = sal_True;
    sal_Bool bAutoIncrement = sal_False;
    sal_Bool bIsCurrency    = sal_False;
    sal_Int32 nDataType     = DataType::OTHER;

    ColumnInformationMap::iterator aFind = m_pImpl->m_aColumnInfo.find(_rName);
    if ( aFind == m_pImpl->m_aColumnInfo.end() ) // we have to fill it
    {
        ::rtl::OUString sComposedName = ::dbtools::composeTableNameForSelect( xConnection, m_pTable );
        collectColumnInformation(xConnection,sComposedName,::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("*")) ,m_pImpl->m_aColumnInfo);
        aFind = m_pImpl->m_aColumnInfo.find(_rName);
    }
    if ( aFind != m_pImpl->m_aColumnInfo.end() )
    {
        bQueryInfo      = sal_False;
        bAutoIncrement  = aFind->second.first.first;
        bIsCurrency     = aFind->second.first.second;
        nDataType       = aFind->second.second;
    } // if ( aFind != m_pImpl->m_aColumnInfo.end() )

    sdbcx::ObjectType xRet;
    const ColumnDesc* pColDesc = m_pTable->getColumnDescription(_rName);
    if ( pColDesc )
    {
        Reference<XPropertySet> xPr = m_pTable;
        const Reference<XNameAccess> xPrimaryKeyColumns = getPrimaryKeyColumns_throw(xPr);
        sal_Int32 nField11 = pColDesc->nField11;
        if ( nField11 != ColumnValue::NO_NULLS && xPrimaryKeyColumns.is() && xPrimaryKeyColumns->hasByName(_rName) )
        {
            nField11 = ColumnValue::NO_NULLS;
        } // if ( xKeys.is() )
        connectivity::sdbcx::OColumn* pRet = new connectivity::sdbcx::OColumn(_rName,
                                                pColDesc->aField6,
                                                pColDesc->sField13,
                                                pColDesc->sField12,
                                                nField11,
                                                pColDesc->nField7,
                                                pColDesc->nField9,
                                                pColDesc->nField5,
                                                bAutoIncrement,
                                                sal_False,
                                                bIsCurrency,
                                                isCaseSensitive());

        xRet = pRet;
    }
    else
    {

        xRet.set(::dbtools::createSDBCXColumn(  m_pTable,
                                                xConnection,
                                                _rName,
                                                isCaseSensitive(),
                                                bQueryInfo,
                                                bAutoIncrement,
                                                bIsCurrency,
                                                nDataType),UNO_QUERY);
    }
    return xRet;
}

// -------------------------------------------------------------------------
void OColumnsHelper::impl_refresh() throw(RuntimeException)
{
    if ( m_pTable )
    {
        m_pImpl->m_aColumnInfo.clear();
        m_pTable->refreshColumns();
    }
}
// -------------------------------------------------------------------------
Reference< XPropertySet > OColumnsHelper::createDescriptor()
{
    return new OColumn(sal_True);
}
// -----------------------------------------------------------------------------
// XAppend
sdbcx::ObjectType OColumnsHelper::appendObject( const ::rtl::OUString& _rForName, const Reference< XPropertySet >& descriptor )
{
    ::osl::MutexGuard aGuard(m_rMutex);
    OSL_ENSURE(m_pTable,"OColumnsHelper::appendByDescriptor: Table is null!");
    if ( !m_pTable || m_pTable->isNew() )
        return cloneDescriptor( descriptor );

    Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
    ::rtl::OUString aSql    = ::rtl::OUString::createFromAscii("ALTER TABLE ");
    ::rtl::OUString aQuote  = xMetaData->getIdentifierQuoteString(  );

    aSql += ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::eInTableDefinitions, false, false, true );
    aSql += ::rtl::OUString::createFromAscii(" ADD ");
    aSql += ::dbtools::createStandardColumnPart(descriptor,m_pTable->getConnection(),NULL,m_pTable->getTypeCreatePattern());

    Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
    if ( xStmt.is() )
    {
        xStmt->execute(aSql);
        ::comphelper::disposeComponent(xStmt);
    }
    return createObject( _rForName );
}
// -------------------------------------------------------------------------
// XDrop
void OColumnsHelper::dropObject(sal_Int32 /*_nPos*/,const ::rtl::OUString _sElementName)
{
    OSL_ENSURE(m_pTable,"OColumnsHelper::dropByName: Table is null!");
    if ( m_pTable && !m_pTable->isNew() )
    {
        ::rtl::OUString aSql    = ::rtl::OUString::createFromAscii("ALTER TABLE ");
        Reference<XDatabaseMetaData> xMetaData = m_pTable->getConnection()->getMetaData();
        ::rtl::OUString aQuote  = xMetaData->getIdentifierQuoteString(  );

        aSql += ::dbtools::composeTableName( xMetaData, m_pTable, ::dbtools::eInTableDefinitions, false, false, true );
        aSql += ::rtl::OUString::createFromAscii(" DROP ");
        aSql += ::dbtools::quoteName( aQuote,_sElementName);

        Reference< XStatement > xStmt = m_pTable->getConnection()->createStatement(  );
        if ( xStmt.is() )
        {
            xStmt->execute(aSql);
            ::comphelper::disposeComponent(xStmt);
        }
    }
}
// -----------------------------------------------------------------------------