OBoundParam.hxx

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#pragma once
 
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/sdbc/DataType.hpp>
#include <odbc/odbcbasedllapi.hxx>
#include <connectivity/odbc.hxx>
 
namespace connectivity::odbc
    {
        class OOO_DLLPUBLIC_ODBCBASE OBoundParam
        {
 
        public:
            OBoundParam()
                : binaryData(nullptr)
                , paramLength(0)
                , paramInputStreamLen(0)
            {
            }
            ~OBoundParam()
            {
                free(binaryData);
            }
 
            // allocBindDataBuffer
            // Allocates and returns a new bind data buffer of the specified
            // length
 
            void* allocBindDataBuffer (sal_Int32 bufLen)
            {
                // Reset the input stream and sequence, we are doing a new bind
                setInputStream (nullptr, 0);
                aSequence.realloc(0);
 
                free(binaryData);
                binaryData = (bufLen > 0) ? malloc(bufLen) : nullptr;
 
                return binaryData;
            }
 
 
            // getBindLengthBuffer
            // Returns the length buffer to be used when binding to a parameter
 
            SQLLEN& getBindLengthBuffer ()
            {
                return paramLength;
            }
 
 
            // setInputStream
            // Sets the input stream for the bound parameter
 
            void setInputStream(const css::uno::Reference< css::io::XInputStream>& inputStream,
                                sal_Int32 len)
            {
                paramInputStream = inputStream;
                paramInputStreamLen = len;
            }
 
            void setSequence(const css::uno::Sequence< sal_Int8 >& _aSequence)
            {
                aSequence = _aSequence;
            }
 
 
            // getInputStream
            // Gets the input stream for the bound parameter
 
            const css::uno::Reference< css::io::XInputStream>& getInputStream () const
            {
                return paramInputStream;
            }
 
 
            // getInputStreamLen
            // Gets the input stream length for the bound parameter
 
            sal_Int32 getInputStreamLen () const
            {
                return paramInputStreamLen;
            }
 
 
        private:
 
            // Data attributes
 
 
            void  *binaryData;       // Storage area to be used
                                     // when binding the parameter
 
            SQLLEN paramLength;      // Storage area to be used
                                     // for the bound length of the
                                     // parameter.  Note that this
                                     // data is in native format.
 
            css::uno::Reference< css::io::XInputStream> paramInputStream;
            css::uno::Sequence< sal_Int8 > aSequence;
                                        // When an input stream is
                                        // bound to a parameter, a
                                        // reference to the input stream is saved
                                        // until not needed anymore.
 
            sal_Int32 paramInputStreamLen;                // Length of input stream
       };
 
}
 
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