CopyToAsync(Int64, OracleBlob, Int64, Int64, CancellationToken)
This method returns a Task-based asynchronous version of OracleBFile.CopyTo()
, which copies data from the current instance to the provided object.
Declaration
// C# public Task<Int64> CopyToAsync(Int64 src_offset, OracleBlob obj, Int64 dst_offset, Int64 amount, CancellationToken cancellationToken)
Parameters
-
src_offset
- Theoffset
(in bytes) in the current instance, from which the data is read. -
obj
- TheOracleBlob
object to which the data is copied. -
dst_offset
- Theoffset
(in bytes) at which theOracleBlob
object is copied. -
amount
- The amount of data to be copied. -
cancellationToken
- The input cancellation token which can be used by the application to cancel the task.
Return Value
Task<Int64>
object representing the asynchronous operation immediately without blocking the calling thread for the whole duration of the query execution.
Exceptions
-
ObjectDisposedException
- The object is already disposed. -
ArgumentOutOfRangeException
- Thesrc_offset
, thedst_offset
, or theamount
parameter is less than0
. -
InvalidOperationException
- This exception is thrown if any of the following conditions exist:-
The
OracleConnection
is not open or has been closed during the lifetime of the object. -
The
LOB
object parameter has a different connection than the object.
-