function channelsMatch(DBMasterPos $pos)
{
if (!$pos instanceof self) {
throw new InvalidArgumentException("Position not an instance of " . __CLASS__);
}
// Prefer GTID comparisons, which work with multi-tier replication
$thisPosDomains = array_keys($this->getGtidCoordinates());
$thatPosDomains = array_keys($pos->getGtidCoordinates());
if ($thisPosDomains && $thatPosDomains) {
// Check that this has GTIDs for all domains in $pos
return !array_diff($thatPosDomains, $thisPosDomains);
}
// Fallback to the binlog file comparisons
$thisBinPos = $this->getBinlogCoordinates();
$thatBinPos = $pos->getBinlogCoordinates();
return $thisBinPos && $thatBinPos && $thisBinPos['binlog'] === $thatBinPos['binlog'];
}
function hasReached(DBMasterPos $pos)
{
if (!$pos instanceof self) {
throw new InvalidArgumentException("Position not an instance of " . __CLASS__);
}
$thisPos = $this->getCoordinates();
$thatPos = $pos->getCoordinates();
return $thisPos && $thatPos && $thisPos >= $thatPos;
}
function channelsMatch(DBMasterPos $pos)
{
if (!$pos instanceof self) {
throw new InvalidArgumentException("Position not an instance of " . __CLASS__);
}
$thisBinlog = $this->getBinlogName();
$thatBinlog = $pos->getBinlogName();
return $thisBinlog !== false && $thisBinlog === $thatBinlog;
}