| public isReadOperation ( Predis\Command\CommandInterface $command ) : boolean | ||
| $command | Predis\Command\CommandInterface | Command instance. |
| return | boolean | |
public function isReadOperation(CommandInterface $command)
{
if (isset($this->disallowed[$id = $command->getId()])) {
throw new NotSupportedException("The command '{$id}' is not allowed in replication mode.");
}
if (isset($this->readonly[$id])) {
if (true === ($readonly = $this->readonly[$id])) {
return true;
}
return call_user_func($readonly, $command);
}
if (($eval = $id === 'EVAL') || $id === 'EVALSHA') {
$sha1 = $eval ? sha1($command->getArgument(0)) : $command->getArgument(0);
if (isset($this->readonlySHA1[$sha1])) {
if (true === ($readonly = $this->readonlySHA1[$sha1])) {
return true;
}
return call_user_func($readonly, $command);
}
}
return false;
} /**
* {@inheritdoc}
*/
public function getConnection(CommandInterface $command)
{
$connection = $this->getConnectionInternal($command);
if (!$connection->isConnected()) {
// When we do not have any available slave in the pool we can expect
// read-only operations to hit the master server.
$expectedRole = $this->strategy->isReadOperation($command) && $this->slaves ? 'slave' : 'master';
$this->assertConnectionRole($connection, $expectedRole);
}
return $connection;
}
