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<?php
namespace Gravity_Forms\Gravity_Forms;
/**
* Class GF_Service_Container
*
* A simple Service Container used to collect and organize Services used by the application and its modules.
*
* @since 2.5
*
* @package Gravity_Forms\Gravity_Forms
*/
class GF_Service_Container {
private $services = array();
private $providers = array();
/**
* Add a service to the container.
*
* @since 2.5
*
* @param string $name The service Name
* @param mixed $service The service to add
*/
public function add( $name, $service, $defer = false ) {
if ( empty( $name ) ) {
$name = get_class( $service );
}
if ( ! $defer && is_callable( $service ) ) {
$service = $service();
}
$this->services[ $name ] = $service;
}
/**
* Remove a service from the container.
*
* @since 2.5
*
* @param string $name The service name.
*/
public function remove( $name ) {
unset( $this->services[ $name ] );
}
/**
* Get a service from the container by name.
*
* @since 2.5
*
* @param string $name The service name.
*
* @return mixed|null
*/
public function get( $name ) {
if ( ! isset( $this->services[ $name ] ) ) {
return null;
}
if ( is_callable( $this->services[ $name ] ) ) {
$called = $this->services[ $name ]();
$this->services[ $name ] = $called;
}
return $this->services[ $name ];
}
/**
* Add a service provider to the container and register each of its services.
*
* @since 2.5
*
* @param GF_Service_Provider $provider
*/
public function add_provider( GF_Service_Provider $provider ) {
$provider_name = get_class( $provider );
// Only add providers a single time.
if ( isset( $this->providers[ $provider_name ] ) ) {
return;
}
$this->providers[ $provider_name ] = $provider;
$provider->set_container( $this );
$provider->register( $this );
$provider->init( $this );
}
}