Interface Tango::GroupDevice

interface GroupDevice

Local interface for grouped Device requests (locality constrained). GroupDevice is a client nterface for defining groups of control objects. Once a group of device has been defined it is possible to with a single call execute a command on them. The GroupDevice will optimize the request so that it is executed in the shortest possible time and respects the order requested. GroupDevice exists only locally in the client i.e. it is not a network addressable object.

Attribute Index

device_list

device_list (readonly) - list of devices presently member of this group

Operation Index

add

add a list of devices to the group

command_inout

execute a command on a group of devices synchronously with no input parameter and one output parameter

command_inout_async

execute a command on a group of devices asynchronously with one input parameter and one output parameter, callback is triggered on completion

remove

remove a list of devices from the group

Attributes

device_list

readonly attribute DeviceList device_list;

device_list (readonly) - list of devices presently member of this group

Operations

add

void add(in DeviceList devices)
    raises(DevFailed);

add a list of devices to the group

Parameters:

devices -list of device to add

Returns:

nothing.

command_inout

any command_inout(in string command,
                  in any argin)
    raises(DevFailed);

execute a command on a group of devices synchronously with no input parameter and one output parameter

Parameters:

command -ascii string e.g. "On"

argin -command input parameter e.g. float

Returns:

command result.

command_inout_async

oneway void command_inout_async(in string command,
                                in any argin,
                                in any user_data,
                                in CallBack cb);

execute a command on a group of devices asynchronously with one input parameter and one output parameter, callback is triggered on completion

Parameters:

command -ascii string e.g. "On"

argin -command parameter

user_data -passed to callback e.g. short

callback -to be called on completion

Returns:

nothing.

remove

void remove(in DeviceList devices)
    raises(DevFailed);

remove a list of devices from the group

Parameters:

devices -list of device to remove

Returns:

nothing.

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