/// <summary>
/// This method finds a 'Image' object.
/// This method uses the 'Image_Find' procedure.
/// </summary>
/// <returns>A 'Image' object.</returns>
/// </summary>
public Image FindImage(FindImageStoredProcedure findImageProc, DataConnector databaseConnector)
{
// Initial Value
Image image = null;
// Verify database connection is connected
if ((databaseConnector != null) && (databaseConnector.Connected))
{
// First Get Dataset
DataSet imageDataSet = this.DataHelper.LoadDataSet(findImageProc, databaseConnector);
// Verify DataSet Exists
if (imageDataSet != null)
{
// Get DataTable From DataSet
DataRow row = this.DataHelper.ReturnFirstRow(imageDataSet);
// if row exists
if (row != null)
{
// Load Image
image = ImageReader.Load(row);
}
}
}
// return value
return(image);
}
/// <summary>
/// This method finds a 'Image' object.
/// </summary>
/// <param name='List<PolymorphicObject>'>The 'Image' to delete.
/// <returns>A PolymorphicObject object with a Boolean value.
internal PolymorphicObject FindImage(List <PolymorphicObject> parameters, DataConnector dataConnector)
{
// Initial Value
PolymorphicObject returnObject = new PolymorphicObject();
// locals
Image image = null;
// If the data connection is connected
if ((dataConnector != null) && (dataConnector.Connected == true))
{
// Create Find StoredProcedure
FindImageStoredProcedure findImageProc = null;
// verify the first parameters is a 'Image'.
if (parameters[0].ObjectValue as Image != null)
{
// Get ImageParameter
Image paramImage = (Image)parameters[0].ObjectValue;
// verify paramImage exists
if (paramImage != null)
{
// Now create findImageProc from ImageWriter
// The DataWriter converts the 'Image'
// to the SqlParameter[] array needed to find a 'Image'.
findImageProc = ImageWriter.CreateFindImageStoredProcedure(paramImage);
}
// Verify findImageProc exists
if (findImageProc != null)
{
// Execute Find Stored Procedure
image = this.DataManager.ImageManager.FindImage(findImageProc, dataConnector);
// if dataObject exists
if (image != null)
{
// set returnObject.ObjectValue
returnObject.ObjectValue = image;
}
}
}
else
{
// Raise Error Data Connection Not Available
throw new Exception("The database connection is not available.");
}
}
// return value
return(returnObject);
}
/// <summary>
/// This method creates an instance of a
/// 'FindImageStoredProcedure' object and
/// creates the sql parameter[] array needed
/// to execute the procedure 'Image_Find'.
/// </summary>
/// <param name="image">The 'Image' to use to
/// get the primary key parameter.</param>
/// <returns>An instance of an FetchUserStoredProcedure</returns>
public static FindImageStoredProcedure CreateFindImageStoredProcedure(Image image)
{
// Initial Value
FindImageStoredProcedure findImageStoredProcedure = null;
// verify image exists
if (image != null)
{
// Instanciate findImageStoredProcedure
findImageStoredProcedure = new FindImageStoredProcedure();
// Now create parameters for this procedure
findImageStoredProcedure.Parameters = CreatePrimaryKeyParameter(image);
}
// return value
return(findImageStoredProcedure);
}