Continuation Class Reference

Class used to wait on the execution of some action. More...

#include <pipeline_interfaces.h>

Public Member Functions
	Continuation ()
	~Continuation ()
int	wait ()
	Wait until release. More...
void	signal (int error=0, bool tran_discarded=false)
	Signal the continuation that execution can continue. More...
void	reset_error_code ()
	Reset the error code after a reported error. More...
void	set_transation_discarded (bool discarded)
	Sets the value of the flag for discarded transactions. More...
bool	is_transaction_discarded ()
	Says if a transaction was discarded or not. More...

Private Attributes
mysql_mutex_t	lock
mysql_cond_t	cond
bool	ready
int	error_code
bool	transaction_discarded

Detailed Description

Class used to wait on the execution of some action.

The class can also be used to report whenever a transaction is discarded as a result of execution.

Constructor & Destructor Documentation

Continuation()

Continuation::Continuation ( )

inline

~Continuation()

Continuation::~Continuation ( )

inline

Member Function Documentation

is_transaction_discarded()

bool Continuation::is_transaction_discarded ( )

inline

Says if a transaction was discarded or not.

Returns

the transaction discarded flag

Return values

0	not discarded
!=0	discarded

reset_error_code()

void Continuation::reset_error_code ( )

inline

Reset the error code after a reported error.

set_transation_discarded()

void Continuation::set_transation_discarded ( bool  discarded )

inline

Sets the value of the flag for discarded transactions.

Parameters

[in]

discarded

is the transaction discarded.

signal()

void Continuation::signal ( int  error = 0, bool  tran_discarded = false  )

inline

Signal the continuation that execution can continue.

Parameters

[in]	error	the error code if any
[in]	tran_discarded	if the transaction to whom the event belongs was discarded

wait()

int Continuation::wait ( )

inline

Wait until release.

Note

The continuation will not wait if an error as occurred in the past until reset_error_code() is invoked.

Returns

the end status

Return values

0	OK
!=0	Error returned on the execution

Member Data Documentation

cond

mysql_cond_t Continuation::cond

private

error_code

int Continuation::error_code

private

lock

mysql_mutex_t Continuation::lock

private

ready

bool Continuation::ready

private

transaction_discarded

bool Continuation::transaction_discarded

private

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

• plugin/group_replication/include/pipeline_interfaces.h