/// <summary>
/// Create an <see cref="TimeExpressionEntity"/> instance from the specified <paramref name="timeTranscoding"/>
/// </summary>
/// <param name="timeTranscoding">
/// The Mapping store Time Transcoding
/// </param>
/// <returns>
/// An <see cref="TimeExpressionEntity"/>
/// </returns>
public static TimeExpressionEntity CreateExpression(TimeTranscodingEntity timeTranscoding)
{
var expr = new TimeExpressionEntity();
Match match = TimeExpressionRegex.Match(timeTranscoding.Expression);
expr.Freq = TimeFormat.GetTimeFormatFromCodeId(timeTranscoding.FrequencyValue).EnumType;
expr.IsDateTime = match.Groups["datetime"].Value.Equals("1");
expr.TranscodingRules = timeTranscoding.TranscodingRules;
if (!expr.IsDateTime)
{
expr.YearStart = Convert.ToInt32(match.Groups["year_start"].Value, CultureInfo.InvariantCulture);
expr.YearLength = Convert.ToInt32(match.Groups["year_len"].Value, CultureInfo.InvariantCulture);
if (expr.YearLength == 0)
{
expr.YearLength = 4;
}
expr.YearColumnSysId = timeTranscoding.YearColumnId;
expr.PeriodStart = 0;
expr.PeriodLength = 0;
expr.PeriodColumnSysId = 0;
if (expr.Freq != TimeFormatEnumType.Year)
{
expr.PeriodColumnSysId = timeTranscoding.PeriodColumnId;
expr.PeriodStart = Convert.ToInt32(match.Groups["period_start"].Value, CultureInfo.InvariantCulture);
expr.PeriodLength = Convert.ToInt32(match.Groups["period_len"].Value, CultureInfo.InvariantCulture);
expr.OneColumnMapping = expr.YearColumnSysId == expr.PeriodColumnSysId;
}
else
{
expr.OneColumnMapping = true;
}
}
else
{
expr.DateColumnSysId = timeTranscoding.DateColumnId;
}
return(expr);
}
/// <summary>
/// Create an <see cref="TimeExpressionEntity"/> instance from the specified <paramref name="timeTranscoding"/>
/// </summary>
/// <param name="timeTranscoding">
/// The Mapping store Time Transcoding
/// </param>
/// <returns>
/// An <see cref="TimeExpressionEntity"/>
/// </returns>
public static TimeExpressionEntity CreateExpression(TimeTranscodingEntity timeTranscoding)
{
var expr = new TimeExpressionEntity();
Match match = TimeExpressionRegex.Match(timeTranscoding.Expression);
expr.Freq = TimeFormat.GetTimeFormatFromCodeId(timeTranscoding.FrequencyValue).EnumType;
expr.IsDateTime = match.Groups["datetime"].Value.Equals("1");
expr.TranscodingRules = timeTranscoding.TranscodingRules;
if (!expr.IsDateTime)
{
expr.YearStart = Convert.ToInt32(match.Groups["year_start"].Value, CultureInfo.InvariantCulture);
expr.YearLength = Convert.ToInt32(match.Groups["year_len"].Value, CultureInfo.InvariantCulture);
if (expr.YearLength == 0)
{
expr.YearLength = 4;
}
expr.YearColumnSysId = timeTranscoding.YearColumnId;
expr.PeriodStart = 0;
expr.PeriodLength = 0;
expr.PeriodColumnSysId = 0;
if (expr.Freq != TimeFormatEnumType.Year)
{
expr.PeriodColumnSysId = timeTranscoding.PeriodColumnId;
expr.PeriodStart = Convert.ToInt32(match.Groups["period_start"].Value, CultureInfo.InvariantCulture);
expr.PeriodLength = Convert.ToInt32(match.Groups["period_len"].Value, CultureInfo.InvariantCulture);
expr.OneColumnMapping = expr.YearColumnSysId == expr.PeriodColumnSysId;
}
else
{
expr.OneColumnMapping = true;
}
}
else
{
expr.DateColumnSysId = timeTranscoding.DateColumnId;
}
return expr;
}
/// <summary>
/// Create time dimension mapping with transcoding
/// </summary>
/// <param name="mapping">
/// The mapping entity<see cref="MappingEntity"/> of the Time Dimension component
/// </param>
/// <param name="databaseType">
/// The dissemination database vendor. Is needed to generate the correct SQL query where conditions
/// </param>
/// <param name="timeTranscoding">
/// The Mapping Store <c>TIME_TRANSCODING</c> object
/// </param>
/// <exception cref="TranscodingException">
/// Incomplete/Invalid mapping or expression
/// </exception>
/// <returns>
/// An Time Dimension Transcoding object<see cref="ITimeDimension"/>
/// </returns>
private static ITimeDimensionMapping CreateTranscodedTimeDimensionMapping(MappingEntity mapping, string databaseType, TimeTranscodingEntity timeTranscoding)
{
ITimeDimensionMapping timeDimensionTranscoding;
TimeExpressionEntity expr = TimeExpressionEntity.CreateExpression(timeTranscoding);
if (!expr.IsDateTime)
{
if (!expr.OneColumnMapping)
{
timeDimensionTranscoding = new TimeDimension2Column(mapping, expr, databaseType);
}
else
{
if (expr.YearLength != 4)
{
throw new TranscodingException(ErrorMessages.TimeDimensionYearNo4Digits);
}
if (expr.Freq != TimeFormatEnumType.Year)
{
if (expr.PeriodLength <= 0 && expr.YearStart > expr.PeriodStart)
{
throw new TranscodingException(ErrorMessages.TimeDimensionVariableLenPeriodNotFirst);
}
if (((expr.YearStart + expr.YearLength) > expr.PeriodStart && expr.YearStart < expr.PeriodStart)
||
((expr.PeriodStart + expr.PeriodLength) > expr.YearStart
&& expr.YearStart > expr.PeriodStart) || expr.PeriodStart == expr.YearStart)
{
throw new TranscodingException(ErrorMessages.TimeDimensionYearPeriodOverlap);
}
}
timeDimensionTranscoding = new TimeDimension1Column(mapping, expr, databaseType);
}
}
else
{
timeDimensionTranscoding = new TimeDimensionDateType(mapping, expr, databaseType);
}
return timeDimensionTranscoding;
}
