protected override object CoreGetAlternativeValueFromId(DictionaryConfiguration dictionaryConfiguration, IMetaColumn metaColumn, object surrogateId)
{
object value;
int index;
HeaderSpec[] headerSpecs;
IEnumerable <IDictionary <string, object> > records;
if ((object)dictionaryConfiguration == null)
{
throw new ArgumentNullException("dictionaryConfiguration");
}
if ((object)metaColumn == null)
{
throw new ArgumentNullException("metaColumn");
}
if ((object)surrogateId == null)
{
throw new ArgumentNullException("surrogateId");
}
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"));
}
using (RecordTextReader delimitedTextReader = new DelimitedTextReader(new StreamReader(File.Open(this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextFilePath, FileMode.Open, FileAccess.Read, FileShare.None)), this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextSpec))
{
index = surrogateId.ChangeType <int>() - 1;
headerSpecs = delimitedTextReader.ReadHeaderSpecs().ToArray();
records = delimitedTextReader.ReadRecords();
var record = records.ElementAtOrDefault(index);
if ((object)record == null)
{
value = null;
}
else
{
value = record[headerSpecs[index].HeaderName];
}
}
return(value);
}
protected override void CorePreloadCache(DictionaryConfiguration dictionaryConfiguration, IDictionary <string, IDictionary <long, object> > substitutionCacheRoot)
{
HeaderSpec[] headerSpecs;
IEnumerable <IDictionary <string, object> > records;
IDictionary <long, object> dictionaryCache;
if ((object)dictionaryConfiguration == null)
{
throw new ArgumentNullException("dictionaryConfiguration");
}
if ((object)substitutionCacheRoot == null)
{
throw new ArgumentNullException("substitutionCacheRoot");
}
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"));
}
using (RecordTextReader delimitedTextReader = new DelimitedTextReader(new StreamReader(File.Open(this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextFilePath, FileMode.Open, FileAccess.Read, FileShare.None)), this.AdapterConfiguration.AdapterSpecificConfiguration.DelimitedTextSpec))
{
dictionaryCache = new Dictionary <long, object>();
headerSpecs = delimitedTextReader.ReadHeaderSpecs().ToArray();
records = delimitedTextReader.ReadRecords();
foreach (IDictionary <string, object> record in records)
{
object[] values = record.Values.ToArray();
long id = values[0].ChangeType <long>();
object value = values[1].ChangeType <string>();
dictionaryCache.Add(id, value);
}
substitutionCacheRoot.Add(dictionaryConfiguration.DictionaryId, dictionaryCache);
}
}