/// <summary>
/// Executes the provided <paramref name="command"/>
/// against the provided data source and returns the result.
/// </summary>
/// <param name="context">Provides the current operation context.</param>
/// <param name="command">The command instance to execute.</param>
protected override TEntity ExecuteCommand(DbOperationContext context, DbCommandDescriptor command)
{
return(context.Provider.Execute(command).AsDataReader <TEntity>(reader => {
if (reader.Read())
{
return Serializer.Deserialize(reader); // TODO: Этого мало, необходимо сделать обработку ResultShape'ов.
}
return default(TEntity);
}));
}
/// <summary>
/// Executes the provided <paramref name="command"/>
/// against the provided data source and returns the result.
/// </summary>
/// <param name="context">Provides the current operation context.</param>
/// <param name="command">The command instance to execute.</param>
protected override IEnumerable <TEntity> ExecuteCommand(DbOperationContext context,
DbCommandDescriptor command)
{
return(context.Provider.Execute(command).AsDataReader(reader => {
List <TEntity> collection = new List <TEntity>(BufferSize);
while (reader.Read())
{
collection.Add(Serializer.Deserialize(reader)); // TODO: Этого мало, необходимо сделать обработку ResultShape'ов.
}
return collection;
}));
}
/// <summary>
/// Executes the provided <paramref name="command"/>
/// against the provided data source and returns the result.
/// </summary>
/// <param name="context">Provides the current operation context.</param>
/// <param name="command">The command instance to execute.</param>
protected override IEnumerable <TEntity> ExecuteCommand(DbOperationContext context,
DbCommandDescriptor command)
{
return(context.Provider.Execute(command).AsDataReader(reader => {
List <TEntity> collection = new List <TEntity>(BufferSize);
int count = 0;
while (reader.Read())
{
collection.Add(Serializer.Deserialize(reader)); // TODO: Добавить поддержку ResultShapes.
}
if (reader.NextResult() && reader.Read())
{
count = reader.GetValue <int>(0);
}
return collection.ToSubset(count);
}));
}
protected override int ExecuteCommand(DbOperationContext context, DbCommandDescriptor command)
{
return(context.Provider.Execute(command).AsNonQuery());
}
protected override DbQueryResult ExecuteCommand(DbOperationContext context, DbCommandDescriptor command)
{
return(context.Provider.Execute(command).AsDataReader(reader => new DbQueryResult(reader)));
}
