public TNDProperty GetOrCreate(TNDProperty property)
{
TNDProperty result;
this._Cache.TryGetValue(property, out result);
if (result == null)
{
this._Cache[property] = property;
return(property);
}
else
{
return(result);
}
}
private async Task readFromDataReader(TNDMetaEntity metaEntity, List <TNDEntityItem> result, System.Data.SqlClient.SqlDataReader sqlDataReader)
{
// loop over NextResult
bool next = true;
while (next)
{
var fieldCount = sqlDataReader.FieldCount;
string[] names = new string[fieldCount];
Type[] types = new Type[fieldCount];
TNDPropertyCache[] caches = new TNDPropertyCache[fieldCount];
object[] values = new object[fieldCount];
int idxMetaEntityName = -1;
for (int idx = 0; idx < fieldCount; idx++)
{
names[idx] = sqlDataReader.GetName(idx);
types[idx] = sqlDataReader.GetFieldType(idx);
caches[idx] = new TNDPropertyCache();
if (string.Equals(names[idx], "MetaEntityName", StringComparison.Ordinal))
{
idxMetaEntityName = idx;
}
}
// loop over Read
bool read = true;
while (read)
{
var taskReadAsync = sqlDataReader.ReadAsync();
try {
read = await taskReadAsync;
} catch (Exception exception) {
throw;
}
if (read)
{
sqlDataReader.GetValues(values);
var item = new TNDEntityItem();
for (int idx = 0; idx < fieldCount; idx++)
{
if (idx == idxMetaEntityName)
{
item.MetaEntityName = values[idx] as string;
}
else
{
var property = new TNDProperty(names[idx], types[idx], values[idx]);
if (caches[idx] != null)
{
property = caches[idx].GetOrCreate(property);
}
item.Property.Add(property);
}
}
if (item.MetaEntityName != null)
{
item.MetaEntity = this._ApplicationBuis.ApplicationModel.Configuration.FindMetaEntity(item.MetaEntityName);
}
if (item.MetaEntity == null)
{
item.MetaEntity = metaEntity;
item.MetaEntityName = metaEntity.MetaEntityName;
}
result.Add(item);
}
}
var taskNextResult = sqlDataReader.NextResultAsync();
try {
next = await taskNextResult;
} catch (Exception exception) {
throw;
}
}
}
