protected override void CoreInitialize()
{
IEnumerable <HeaderSpec> headerSpecs;
if ((object)this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextSpec == null)
{
throw new InvalidOperationException(string.Format("Configuration missing: '{0}'.", "DelimitedTextSpec"));
}
if (DataTypeFascade.Instance.IsNullOrWhiteSpace(this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextFilePath))
{
throw new InvalidOperationException(string.Format("Configuration missing: '{0}'.", "DelimitedTextFilePath"));
}
this.DelimitedTextReader = new DelimitedTextReader(new StreamReader(File.Open(this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextFilePath, FileMode.Open, FileAccess.Read, FileShare.None)), this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextSpec);
headerSpecs = this.DelimitedTextReader.ReadHeaderSpecs();
this.UpstreamMetadata = headerSpecs.Select((hs, i) => new MetaColumn()
{
TableIndex = 0,
ColumnIndex = i,
ColumnName = hs.HeaderName,
ColumnType = GetColumnTypeFromFieldType(hs.FieldType),
ColumnIsNullable = true,
TagContext = hs
});
}
protected override void CoreTerminate()
{
if ((object)this.DelimitedTextReader != null)
{
this.DelimitedTextReader.Dispose();
}
this.DelimitedTextReader = null;
}
