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Monitor::Utility::Watchable Class Reference

Base class implementing watchable object behaviour. More...

#include <watchble.h>

List of all members.

Public Methods
	Watchable ()
	Constructor. More...
virtual	~Watchable ()
	Destructor. More...
const CallbackBase &	addWatch (const CallbackBase &newWatch) const
	Add a callback to be invoked when the watchable object is updated. More...
void	removeWatch (const CallbackBase &oldWatch) const
	Remove a callback to be invoked when the watchable object is updated. More...
void	removeWatcher (const void *watcher) const
	Remove all callbacks with a given target object. More...
virtual void	updated (const void *updateData=0) const
	Invoke all callbacks in list. More...
void	freeze () const
	Disable invocation of callbacks on update. More...
void	thaw () const
	Enable invocation of callbacks on update. More...
Private Attributes
CallbackList *	watchList
	List of callbacks to be invoked when the watchable object is updated. More...
int	frozen
	Flag to indicate updates shouldn't invoke callbacks. More...

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Detailed Description

Base class implementing watchable object behaviour.

Definition at line 51 of file watchble.h.

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Constructor & Destructor Documentation

Watchable::Watchable (    )

Constructor. Definition at line 47 of file watchble.cpp.

Watchable::~Watchable (    )  [virtual]

Destructor. Definition at line 57 of file watchble.cpp. References watchList.

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Member Function Documentation

const CallbackBase & Watchable::addWatch (  const CallbackBase &    newWatch )  const

Add a callback to be invoked when the watchable object is updated. Parameters: newWatch  Callback to add to list. Returns: Callback added to list. Definition at line 68 of file watchble.cpp. References watchList.

void Watchable::freeze (    )  const

Disable invocation of callbacks on update. Definition at line 117 of file watchble.cpp. References frozen.

void Watchable::removeWatch (  const CallbackBase &    oldWatch )  const

Remove a callback to be invoked when the watchable object is updated. Parameters: oldWatch  Callback to remove from list. Definition at line 81 of file watchble.cpp. References watchList.

void Watchable::removeWatcher (  const void *    watcher )  const

Remove all callbacks with a given target object. Parameters: watcher  Object for which callbacks are to be to removed. Definition at line 92 of file watchble.cpp. References watchList.

void Watchable::thaw (    )  const

Enable invocation of callbacks on update. Definition at line 128 of file watchble.cpp. References frozen.

void Watchable::updated (  const void *    updateData = 0 )  const [virtual]

Invoke all callbacks in list. Parameters: updateData  Optional data to pass to callbacks. Definition at line 103 of file watchble.cpp. References frozen, and watchList.

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Member Data Documentation

int Monitor::Utility::Watchable::frozen [private]

Flag to indicate updates shouldn't invoke callbacks. Definition at line 121 of file watchble.h. Referenced by freeze, thaw, and updated.

CallbackList* Monitor::Utility::Watchable::watchList [private]

List of callbacks to be invoked when the watchable object is updated. Definition at line 116 of file watchble.h. Referenced by addWatch, removeWatch, removeWatcher, updated, and ~Watchable.

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