samsonframework\orm\QueryHandler

Complexity

Total Complexity

4

Size/Duplication

Total Lines	51
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes	3
Bugs	0	Features	2

2 Methods

Rating	Name	Duplication	Size	Complexity
A	handler()	0	21	2
A	callHandlers()	0	14	2

<?php
namespace samsonframework\orm;

/**
 * Class for saving external query handlers
 * @author Vitaly Iegorov <egorov@samsonos.com>
 * @version 2.0
 */
class QueryHandler
{
    /** @var callback[] Collection of external query handlers(callbacks) */
    private $handlers = array();

    /** @var array Collection of external query handlers(callbacks) additional parameters */
    private $params = array();

    /**
     * Add extenal query handler
     * @param callable $callable External handler
     * @return self Chaining
     */
    public function handler($callable)
    {
        // If normal handler is passed
        if (is_callable($callable)) {
            // Add handler
            $this->handlers[] = $callable;

            // Get passed arguments
            $args = func_get_args();

            // Remove first argument
            array_shift($args);

            // Add handler parameters stack
            $this->params[] = &$args;
        } else {
            //e('Cannot set Query handler - function(##) does not exists', E_SAMSON_ACTIVERECORD_ERROR, $callable);
        }

        return $this;
    }

    /** Execute all available external query handlers */
    protected function callHandlers()
    {
        // Iterate handlers and run them
        foreach ($this->handlers as $i => $handler) {
            // Create handler params array with first parameter pointing to this query object
            $params = array(& $this);

            // Combine params with existing ones in one array
            $params = array_merge($params, $this->params[$i]);

            // Execute handler
            call_user_func_array($handler, $params);
        }
    }
}