Spanner/src/Session/CacheSessionPool.php
private function validateConfig()
    {
        $mustBePositiveKeys = ['maxCyclesToWaitForSession', 'maxSessions', 'minSessions', 'sleepIntervalSeconds'];

        foreach ($mustBePositiveKeys as $key) {
            if ($this->config[$key] < 0) {
                throw new \InvalidArgumentException("$key may not be negative");
            }
        }

        if ($this->config['maxSessions'] < $this->config['minSessions']) {
            throw new \InvalidArgumentException('minSessions cannot exceed maxSessions');
        }

        if (isset($this->config['lock']) && !$this->config['lock'] instanceof LockInterface) {
            throw new \InvalidArgumentException(
                'The lock must implement Google\Cloud\Core\Lock\LockInterface'
            );
        }
    }
private function validateConfig()
    {
        $mustBePositiveKeys = ['maxCyclesToWaitForSession', 'maxSessions', 'minSessions', 'sleepIntervalSeconds'];

        foreach ($mustBePositiveKeys as $key) {
            if ($this->config[$key] < 0) {
                throw new \InvalidArgumentException("$key may not be negative");
            }
        }

        if ($this->config['maxSessions'] < $this->config['minSessions']) {
            throw new \InvalidArgumentException('minSessions cannot exceed maxSessions');
        }

        if (isset($this->config['lock']) && !$this->config['lock'] instanceof LockInterface) {
            throw new \InvalidArgumentException(
                'The lock must implement Google\Cloud\Core\Lock\LockInterface'
            );
        }
    }
private function validateConfig ( ) { $ mustBePositiveKeys = [ 'maxCyclesToWaitForSession' , 'maxSessions' , 'minSessions' , 'sleepIntervalSeconds' ] ; foreach ( $ mustBePositiveKeys as $ key ) { if ( $ this -> config [ $ key ] < 0 ) { throw new \ InvalidArgumentException ( "$key may not be negative" ) ; } } if ( $ this -> config [ 'maxSessions' ] < $ this -> config [ 'minSessions' ] ) { throw new \ InvalidArgumentException ( 'minSessions cannot exceed maxSessions' ) ; } if ( isset ( $ this -> config [ 'lock' ] ) && ! $ this -> config [ 'lock' ] instanceof LockInterface ) { throw new \ InvalidArgumentException ( 'The lock must implement Google\Cloud\Core\Lock\LockInterface' ) ; } }
Validate the config.

@param array $config
@throws \InvalidArgumentException
Validate the config .