internal GridReader(IDbCommand command, IDataReader reader, Identity identity, SqlMapper.IParameterCallbacks callbacks, bool addToCache)
{
this.Command = command;
this.reader = reader;
this.identity = identity;
this.callbacks = callbacks;
this.addToCache = addToCache;
}
public static object ExtractValue(this global::System.Data.Common.DbDataReader reader, string columnName)
{
var o = reader[columnName];
if (o is DBNull)
{
return(null);
}
return(o);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (reader != null)
{
reader.Dispose();
}
reader = null;
if (cmd != null)
{
cmd.Dispose();
}
cmd = null;
}
base.Dispose(disposing);
}
private static IEnumerable <T> ExecuteReaderSync <T>(IDataReader reader, Func <IDataReader, object> func, object parameters)
{
using (reader)
{
while (reader.Read())
{
yield return((T)func(reader));
}
while (reader.NextResult())
{
}
if (parameters is SqlMapper.IParameterCallbacks)
{
((SqlMapper.IParameterCallbacks)parameters).OnCompleted();
}
}
}
/// <summary>
/// Dispose the grid, closing and disposing both the underlying reader and command.
/// </summary>
public void Dispose()
{
if (reader != null)
{
if (!reader.IsClosed && Command != null)
{
Command.Cancel();
}
reader.Dispose();
reader = null;
}
if (Command != null)
{
Command.Dispose();
Command = null;
}
}
private void NextResult()
{
if (reader.NextResult())
{
readCount++;
gridIndex++;
consumed = false;
}
else
{
// happy path; close the reader cleanly - no
// need for "Cancel" etc
reader.Dispose();
reader = null;
if (callbacks != null)
{
callbacks.OnCompleted();
}
Dispose();
}
}
internal GridReader(IDbCommand command, IDataReader reader, Identity identity, DynamicParameters dynamicParams, bool addToCache, CancellationToken cancel)
: this(command, reader, identity, dynamicParams, addToCache)
{
this.cancel = cancel;
}
public WrappedReader(IDbCommand cmd, IDataReader reader)
{
this.cmd = cmd;
this.reader = reader;
}
public WrappedReader(IDbCommand cmd, IDataReader reader)
{
this.cmd = cmd;
this.reader = reader;
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (reader != null) reader.Dispose();
reader = null;
if (cmd != null) cmd.Dispose();
cmd = null;
}
base.Dispose(disposing);
}
