/** @var float UNIX timestamp */
protected $lastPing = 0.0;
+ /** @var int[] Prior mFlags values */
+ private $priorFlags = [];
+
/** @var TransactionProfiler */
protected $trxProfiler;
return $this->mOpened;
}
- public function setFlag( $flag ) {
+ public function setFlag( $flag, $remember = self::REMEMBER_NOTHING ) {
+ if ( $remember === self::REMEMBER_PRIOR ) {
+ array_push( $this->priorFlags, $this->mFlags );
+ }
$this->mFlags |= $flag;
}
- public function clearFlag( $flag ) {
+ public function clearFlag( $flag, $remember = self::REMEMBER_NOTHING ) {
+ if ( $remember === self::REMEMBER_PRIOR ) {
+ array_push( $this->priorFlags, $this->mFlags );
+ }
$this->mFlags &= ~$flag;
}
+ public function restoreFlags( $state = self::RESTORE_PRIOR ) {
+ if ( !$this->priorFlags ) {
+ return;
+ }
+
+ if ( $state === self::RESTORE_INITIAL ) {
+ $this->mFlags = reset( $this->priorFlags );
+ $this->priorFlags = [];
+ } else {
+ $this->mFlags = array_pop( $this->priorFlags );
+ }
+ }
+
public function getFlag( $flag ) {
return !!( $this->mFlags & $flag );
}