/// <summary>
/// Initializes a new instance of the <see cref="AttributeTempFile"/> class.
/// </summary>
/// <param name="tempPath">
/// The temp path.
/// </param>
/// <param name="map">
/// The dimension position in the ARR map
/// </param>
/// <param name="level">
/// The level.
/// </param>
public AttributeTempFile(string tempPath, GesmesKeyMap map, RelStatus level)
{
string filePath = Path.Combine(tempPath, Path.GetRandomFileName());
this._fileStream = File.Create(filePath, BufferSize, FileOptions.DeleteOnClose | FileOptions.SequentialScan);
this._writer = new GesmesAttributeGroupWriter(this._fileStream);
this._currentGroup = new GesmesAttributeGroup(map, level);
}
/// <summary>
/// Initializes a new instance of the <see cref="GesmesAttributeGroup"/> class.
/// </summary>
/// <param name="map">
/// The map.
/// </param>
/// <param name="level">
/// The attachment level
/// </param>
public GesmesAttributeGroup(GesmesKeyMap map, RelStatus level)
{
this._map = map;
switch (level)
{
case RelStatus.None:
throw new ArgumentException(Resources.ErrorInvalidAttachmentLevel, "level");
case RelStatus.DataSet:
// no dimension
this._dimensionValues = new string[0];
this._level = AttachmentLevel.DataSet;
break;
case RelStatus.Sibling:
// all dimensions. FREQ is wildcarded
this._dimensionValues = new string[map.Count];
this._dimensionValues[0] = string.Empty;
this._firstDimension = 1;
this._level = AttachmentLevel.Group;
break;
case RelStatus.Series:
// all dimensions
this._dimensionValues = new string[map.Count];
this._level = AttachmentLevel.Series;
break;
case RelStatus.Observation:
// all dimensions plus time period and time format
this._dimensionValues = new string[map.Count + 2];
this._timePeriodPosition = map.Count;
this._timeFormatPosition = this._timePeriodPosition + 1;
this._level = AttachmentLevel.Observation;
break;
}
}
/// <summary>
/// Create a <see cref="AttributeTempFile"/> if <paramref name="targetLevel"/> in <paramref name="levels"/>
/// </summary>
/// <param name="levels">
/// The available levels
/// </param>
/// <param name="targetLevel">
/// The target level
/// </param>
/// <returns>
/// a <see cref="AttributeTempFile"/> if <paramref name="targetLevel"/> in <paramref name="levels"/> ; otherwise null
/// </returns>
private AttributeTempFile CreateTempStream(RelStatus levels, RelStatus targetLevel)
{
if ((levels & targetLevel) == targetLevel)
{
return new AttributeTempFile(this._tempPath, this._map, targetLevel);
}
return null;
}
