Gets the arguments of the command.
| public getArguments ( ) : array | ||
| return | array | |
/**
* {@inheritdoc}
*/
public function executeCommand(CommandInterface $command, callable $callback)
{
if ($this->buffer->isEmpty() && ($stream = $this->getResource())) {
$this->loop->addWriteStream($stream, $this->writableCallback);
}
$request = $this->serializer->getRequestMessage($command->getId(), $command->getArguments());
$this->buffer->append($request);
$this->commands->enqueue([$command, $callback]);
}
/**
* {@inheritdoc}
*/
public function executeCommand(CommandInterface $command, callable $callback)
{
if ($this->buffer->isEmpty() && ($stream = $this->getResource())) {
$this->loop->addWriteStream($stream, $this->writableCallback);
}
$cmdargs = $command->getArguments();
array_unshift($cmdargs, $command->getId());
$this->buffer->append(phpiredis_format_command($cmdargs));
$this->commands->enqueue([$command, $callback]);
}
/**
* @param string|CommandInterface $command Expected command ID or instance.
* @param array $arguments Expected command arguments.
*/
public function __construct($command = null, array $arguments = null)
{
if ($command instanceof CommandInterface) {
$this->commandID = strtoupper($command->getId());
$this->arguments = $arguments ?: $command->getArguments();
} else {
$this->commandID = strtoupper($command);
$this->arguments = $arguments;
}
}
/**
* {@inheritdoc}
*/
public function serialize(CommandInterface $command)
{
$commandID = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandID);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandID}\r\n";
foreach ($arguments as $argument) {
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
return $buffer;
}
/**
* {@inheritdoc}
*/
public function serialize(CommandInterface $command)
{
$commandId = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandId);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandId}\r\n";
for ($i = 0, $reqlen--; $i < $reqlen; $i++) {
$argument = $arguments[$i];
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
return $buffer;
}
/**
* {@inheritdoc}
*/
public function writeCommand(CommandInterface $command)
{
$cmdargs = $command->getArguments();
array_unshift($cmdargs, $command->getId());
$this->write(phpiredis_format_command($cmdargs));
}
/**
* {@inheritdoc}
*/
public function process(CommandInterface $command)
{
if ($command instanceof PrefixableCommandInterface && $command->getArguments()) {
$command->prefixKeys($this->prefix);
}
}
/**
* Applies the specified prefix to the key of a MIGRATE command.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function migrate(CommandInterface $command, $prefix)
{
if ($arguments = $command->getArguments()) {
$arguments[2] = "{$prefix}{$arguments[2]}";
$command->setRawArguments($arguments);
}
}
/**
* {@inheritdoc}
*/
public function writeCommand(CommandInterface $command)
{
$commandId = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandId);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandId}\r\n";
for ($i = 0; $i < $reqlen - 1; $i++) {
$argument = $arguments[$i];
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
$this->writeBytes($buffer);
}
/**
* Extracts the key from ZINTERSTORE and ZUNIONSTORE commands.
*
* @param CommandInterface $command Command instance.
* @return string
*/
protected function getKeyFromZsetAggregationCommands(CommandInterface $command)
{
$arguments = $command->getArguments();
$keys = array_merge(array($arguments[0]), array_slice($arguments, 2, $arguments[1]));
if ($this->checkSameHashForKeys($keys)) {
return $arguments[0];
}
}
private function commandToString(CommandInterface $command)
{
return array_reduce($command->getArguments(), array($this, 'toStringArgumentReducer'), $command->getId());
}
/**
* Applies the specified prefix to the keys of Z[INTERSECTION|UNION]STORE.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function zsetStore(CommandInterface $command, $prefix)
{
if ($arguments = $command->getArguments()) {
$arguments[0] = "{$prefix}{$arguments[0]}";
$length = (int) $arguments[1] + 2;
for ($i = 2; $i < $length; $i++) {
$arguments[$i] = "{$prefix}{$arguments[$i]}";
}
$command->setRawArguments($arguments);
}
}
/**
* Checks if a GEORADIUS command is a readable operation by parsing the
* arguments array of the specified commad instance.
*
* @param CommandInterface $command Command instance.
*
* @return bool
*/
protected function isGeoradiusReadOnly(CommandInterface $command)
{
$arguments = $command->getArguments();
$argc = count($arguments);
$startIndex = $command->getId() === 'GEORADIUS' ? 5 : 4;
if ($argc > $startIndex) {
for ($i = $startIndex; $i < $argc; ++$i) {
$argument = strtoupper($arguments[$i]);
if ($argument === 'STORE' || $argument === 'STOREDIST') {
return false;
}
}
}
return true;
}
/**
* Extracts the key from BLPOP and BRPOP commands ensuring that only one key
* is actually specified to comply with redis-cluster.
*
* @param CommandInterface $command Command instance.
* @return string
*/
protected function getKeyFromBlockingListCommands(CommandInterface $command)
{
$arguments = $command->getArguments();
if (count($arguments) === 2) {
return $arguments[0];
}
}
/**
* Checks if a SORT command is a readable operation by parsing the arguments
* array of the specified commad instance.
*
* @param CommandInterface $command Command instance.
*
* @return bool
*/
protected function isSortReadOnly(CommandInterface $command)
{
$arguments = $command->getArguments();
return ($c = count($arguments)) === 1 ? true : $arguments[$c - 2] !== 'STORE';
}
/**
* Extracts the key from EVAL and EVALSHA commands.
*
* @param CommandInterface $command Command instance.
* @return string
*/
protected function getKeyFromScriptingCommands(CommandInterface $command)
{
if ($command instanceof ScriptedCommand) {
$keys = $command->getKeys();
} else {
$keys = array_slice($args = $command->getArguments(), 2, $args[1]);
}
if ($keys && $this->checkSameHashForKeys($keys)) {
return $keys[0];
}
}
/**
* Extracts the key from EVAL and EVALSHA commands.
*
* @param CommandInterface $command Command instance.
* @return string
*/
protected function getKeyFromScriptingCommands(CommandInterface $command)
{
if ($command instanceof ScriptedCommand) {
$keys = $command->getKeys();
} else {
$keys = array_slice($args = $command->getArguments(), 2, $args[1]);
}
if (count($keys) === 1) {
return $keys[0];
}
}
/**
* {@inheritdoc}
*/
public function writeRequest(CommandInterface $command)
{
$commandID = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandID);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandID}\r\n";
for ($i = 0, $reqlen--; $i < $reqlen; ++$i) {
$argument = $arguments[$i];
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
$this->write($buffer);
}
/**
* Applies the specified prefix to the key of a GEORADIUS command.
*
* @param CommandInterface $command Command instance.
* @param string $prefix Prefix string.
*/
public static function georadius(CommandInterface $command, $prefix)
{
if ($arguments = $command->getArguments()) {
$arguments[0] = "{$prefix}{$arguments[0]}";
$startIndex = $command->getId() === 'GEORADIUS' ? 5 : 4;
if (($count = count($arguments)) > $startIndex) {
for ($i = $startIndex; $i < $count; ++$i) {
switch (strtoupper($arguments[$i])) {
case 'STORE':
case 'STOREDIST':
$arguments[$i] = "{$prefix}{$arguments[++$i]}";
break;
}
}
}
$command->setRawArguments($arguments);
}
}