public override void Read(ISpmContext context, int index, TItem dest)
{
SpmItem <TValue> itemReader = (SpmItem <TValue>)context[this.propertyToken];
if (itemReader == null)
{
itemReader = new SpmItem <TValue>(context, this.Mapped, null);
context[this.propertyToken] = itemReader;
}
this.setter(dest, itemReader.Read());
}
public override bool IsNull(ISpmContext context, int index)
{
SpmItem <TValue> itemReader = (SpmItem <TValue>)context[this.propertyToken];
if (itemReader == null)
{
itemReader = new SpmItem <TValue>(context, this.Mapped, null);
context[this.propertyToken] = itemReader;
}
return(itemReader.IsKeysNull());
}
public SpmReader(SqlDataReader reader, SpmSharedItemPool pool = null, string group = null)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
this.dataReader = reader;
this.indices = new Dictionary <string, int>(this.DataReader.FieldCount);
for (int i = 0; i < this.DataReader.FieldCount; i++)
{
string name = this.DataReader.GetName(i);
if (indices.ContainsKey(name))
{
throw new ArgumentException(String.Concat("Колонка с именем ",
name, " встречается в запросе более одного раза"));
}
indices.Add(name, i);
}
this.itemReader = new SpmItem <TItem>(this, null, group);
this.sharedPool = pool;
}