Plugin_gcs_view_modification_notifier Class Reference

#include <gcs_view_modification_notifier.h>

Public Member Functions
	Plugin_gcs_view_modification_notifier ()
virtual	~Plugin_gcs_view_modification_notifier ()
void	start_view_modification ()
	Signals that a view modification is about to start. More...
bool	is_view_modification_ongoing ()
	Checks if there is a view modification ongoing. More...
void	end_view_modification ()
	Signals that a view modification has ended. More...
void	cancel_view_modification (int errnr=GROUP_REPLICATION_CONFIGURATION_ERROR)
	Signals that a view modification has been cancelled. More...
bool	is_cancelled ()
	Check if view modification was cancelled. More...
bool	wait_for_view_modification (long timeout=VIEW_MODIFICATION_TIMEOUT)
	Method in which one waits for the view modification to end. More...
int	get_error ()
	Get the error number that did happen on view modification. More...

Private Attributes
bool	view_changing
bool	cancelled_view_change
int	error
mysql_cond_t	wait_for_view_cond
mysql_mutex_t	wait_for_view_mutex

Constructor & Destructor Documentation

Plugin_gcs_view_modification_notifier()

Plugin_gcs_view_modification_notifier::Plugin_gcs_view_modification_notifier

(

)

~Plugin_gcs_view_modification_notifier()

Plugin_gcs_view_modification_notifier::~Plugin_gcs_view_modification_notifier ( )

virtual

Member Function Documentation

cancel_view_modification()

void Plugin_gcs_view_modification_notifier::cancel_view_modification

(

int

errnr = GROUP_REPLICATION_CONFIGURATION_ERROR

)

Signals that a view modification has been cancelled.

Parameters

[in]

errnr

error that did cause the view modification to be cancelled

end_view_modification()

void Plugin_gcs_view_modification_notifier::end_view_modification

(

)

Signals that a view modification has ended.

get_error()

int Plugin_gcs_view_modification_notifier::get_error

(

)

Get the error number that did happen on view modification.

This method must only be called after view modification is complete.

Returns

Operation

Return values

0	OK (no error)
>0	error number

is_cancelled()

bool Plugin_gcs_view_modification_notifier::is_cancelled

(

)

Check if view modification was cancelled.

This method must only be called after view modification is complete.

Return values

true	view modification was cancelled
false	otherwise

is_view_modification_ongoing()

bool Plugin_gcs_view_modification_notifier::is_view_modification_ongoing

(

)

Checks if there is a view modification ongoing.

Return values

true	there is a view modification ongoing
false	otherwise

start_view_modification()

void Plugin_gcs_view_modification_notifier::start_view_modification

(

)

Signals that a view modification is about to start.

wait_for_view_modification()

bool Plugin_gcs_view_modification_notifier::wait_for_view_modification

(

long

timeout = VIEW_MODIFICATION_TIMEOUT

)

Method in which one waits for the view modification to end.

Parameters

[in]

timeout

how long one wants to wait, in seconds

Returns

Operation status

Return values

false	OK
true	error (timeout or view modification cancelled)

Member Data Documentation

cancelled_view_change

bool Plugin_gcs_view_modification_notifier::cancelled_view_change

private

error

int Plugin_gcs_view_modification_notifier::error

private

view_changing

bool Plugin_gcs_view_modification_notifier::view_changing

private

wait_for_view_cond

mysql_cond_t Plugin_gcs_view_modification_notifier::wait_for_view_cond

private

wait_for_view_mutex

mysql_mutex_t Plugin_gcs_view_modification_notifier::wait_for_view_mutex

private

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The documentation for this class was generated from the following files:

• plugin/group_replication/include/gcs_view_modification_notifier.h
• plugin/group_replication/src/gcs_view_modification_notifier.cc