OperationListBase Class Reference

Inheritance diagram for OperationListBase:

Public Member Functions
	OperationListBase ()
	Create a new empty operation list.
	~OperationListBase ()
	Destroy this object and abort all operations.
bool	empty ()
	Check if the list is empty.
void	add (AsyncOp *op)
	Add an operation to the list.
void	remove (AsyncOp *op)
	Remove an operation from the list.
AsyncOp *	dequeue_raw ()
	Dequeue the head of the list.
void	remove_all ()
	Abort all operations.
void	process ()
	Process the operation list.

Detailed Description

Definition at line 30 of file OperationListBase.h.

Constructor & Destructor Documentation

OperationListBase()

OperationListBase

(

)

Create a new empty operation list.

~OperationListBase()

~OperationListBase

(

)

Destroy this object and abort all operations.

Member Function Documentation

empty()

bool empty

(

)

Check if the list is empty.

Returns

true if the list is empty false otherwise

add()

void add

(

AsyncOp *

op

)

Add an operation to the list.

If the list was empty then call process on this operation

Parameters

op	Operation to add

remove()

void remove

(

AsyncOp *

op

)

Remove an operation from the list.

If this was the head of the list then process the next element in the list.

Parameters

op	Operation to remove

dequeue_raw()

AsyncOp * dequeue_raw

(

)

Dequeue the head of the list.

Remove the head of the operation list without completing it or processing the next element. The caller must call the AsnycOp::complete() function of the returned object. Additionally process() must be called on this object if there are still elements in the list.

Returns

The asynchronous op at the head of the list

remove_all()

void remove_all

(

)

Abort all operations.

process()

void process

(

)

Process the operation list.

This allow the operation at the head of the list to perform processing