//File: HDAISAsyncIO.idl
// Change history
// HDAIS FTF	7097 2004-09-09	Cancel method moved to Connection
#ifndef _HDAIS_ASYNC_IO_IDL
#define _HDAIS_ASYNC_IO_IDL
#include <HDAISValueIOCommon.idl>
#include <HDAISModifiedValueIO.idl>
#include <HDAISItemAttributeIO.idl>
#pragma prefix "omg.org"

module DAIS {
module HDA {
module ValueIO {

interface AsyncRead
{
	exception MaximumNumberOfValuesExceeded {string reason;};

	CancelID async_read_raw (
		in	TransactionID						transaction_id,
		in	TimeInterval						interval,
		in	unsigned long						max_number_of_values,
		in	boolean								bounds,
		in	ServerItemHandles					server_handles)
		raises (MaximumNumberOfValuesExceeded);

	CancelID subscribe_raw (
		in	TransactionID						transaction_id,
		in	DateTime							start_time,
		in	DateTime							value_return_interval,
		in	ServerItemHandles					server_handles);

	CancelID async_read_processed (
		in	TransactionID						transaction_id,
		in	TimeInterval						interval,
		in	DateTime							sample_interval,
		in	ProcessedRefs						item_refs)
		raises (MaximumNumberOfValuesExceeded);

	CancelID subscribe_processed (
		in	TransactionID						transaction_id,
		in	DateTime							start_time,
		in	DateTime							sample_interval,
		in	ProcessedRefs						item_refs,
		in	unsigned long						no_samples_per_callback);

	CancelID async_read_at_time (
		in	TransactionID						transaction_id,
		in	DateTimes							time_stamps,
		in	ServerItemHandles					server_handles);
};

interface AsyncUpdate
{
	CancelID async_insert (
		in	TransactionID						transaction_id,
		in	Updates								item_values);

	CancelID async_replace (
		in	TransactionID						transaction_id,
		in	Updates								item_values);

	CancelID async_insert_replace (
		in	TransactionID						transaction_id,
		in	Updates								item_values);

	CancelID async_delete_raw (
		in	TransactionID						transaction_id,
		in	TimeInterval						interval,
		in	ServerItemHandles					server_handles);

	CancelID async_delete_at_time (
		in	TransactionID						transaction_id,
		in	DateTimes							time_stamps,
		in	ServerItemHandles					server_handles);
};

interface Callback
{
	void on_data_change (
		in	TransactionID						transaction_id,
		in	boolean								all_quality_good,
		in	TimeSeries							time_series,
		in	ItemErrors							item_errors);

	void on_read_complete (
		in	TransactionID						transaction_id,
		in	boolean								all_quality_good,
		in	TimeSeries							time_series,
		in	ItemErrors							item_errors);

	void on_update_complete (
		in	TransactionID						transaction_id,
		in	ClientItemHandles					client_handles,
		in	ItemErrors							item_errors);
};
};};};
#endif // _HDAIS_ASYNC_IO_IDL