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<?php
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namespace PEIP\Context;
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namespace PEIP\Context;
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/*
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* This file is part of the PEIP package.oBuild
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* (c) 2009-2016 Timo Michna <timomichna/yahoo.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* XMLContext
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*
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* @author Timo Michna <timomichna/yahoo.de>
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* @package PEIP
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* @subpackage context
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* @implements \PEIP\INF\Context\Context, \PEIP\INF\Channel\ChannelResolver
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*/
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use PEIP\Handler\CallableHandler;
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use PEIP\Service\HeaderServiceActivator;
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use PEIP\Channel\ChannelRegistry;
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use PEIP\Service\ServiceProvider;
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use PEIP\Plugins\BasePlugin;
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use PEIP\Factory\ServiceFactory;
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use PEIP\Base\GenericBuilder;
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use PEIP\Channel\PollableChannel;
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use PEIP\Channel\PublishSubscribeChannel;
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use PEIP\Gateway\SimpleMessagingGateway;
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use PEIP\Listener\Wiretap;
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use PEIP\Service\ServiceActivator;
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use PEIP\Context\XMLContextReader;
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class XMLContext
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implements
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\PEIP\INF\Context\Context,
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\PEIP\INF\Channel\ChannelResolver {
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protected
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$services = array(),
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$configs = array(),
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$gateways = array(),
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$nodeBuilders = array(),
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$channelRegistry,
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$serviceProvider;
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/**
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* constructor
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*
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* @access public
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* @param string $string the configuration string
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* @return
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*/
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public function __construct($string){
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$this->initNodeBuilders();
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$reader = new XMLContextReader($string);
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$serviceActivator = new HeaderServiceActivator(array($this, 'addConfig'), 'NODE');
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$reader->connect('read_node', $serviceActivator);
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$reader->read();
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}
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public function addConfig($config){
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return $this->getServiceProvider()->addConfig($config);
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}
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public function handleReadConfig(\PEIP\INF\Event\Event $event){
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$this->addConfig($event->getHeader('NODE'));
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}
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/**
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* Creates and returns a XMLContext instance from a given config-string.
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*
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* @access public
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* @param string $string the configuration string
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* @return XMLContext the context instance
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* @throws RuntimeException
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*/
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public static function createFromString($string){
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return new XMLContext($string);
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}
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/**
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* Creates and returns a XMLContext instance from a given config-file.
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*
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* @access public
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* @param string $file the path to the configuration file
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* @return XMLContext the context instance
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* @throws RuntimeException
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*/
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public static function createFromFile($file){
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if(file_exists($file)){
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return self::createFromString(file_get_contents($file));
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}else{
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throw new \RuntimeException('Cannot open file "'.$file.'".');
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}
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}
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/**
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* Initializes the context.
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*
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* @access protected
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* @return void
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*/
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protected function init(){
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$xml = $this->simpleXML;
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$this->channelRegistry = ChannelRegistry::getInstance();
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// register this context as a service if id is set.
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if($xml['id']){
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$this->services[(string)$xml['id']] = $this;
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}
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// build services
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foreach($xml->children() as $entry){
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$this->buildNode($entry);
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}
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}
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/**
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* Registers a callable as builder for given node-name
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*
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* @implements \PEIP\INF\Context\Context
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* @access public
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* @param string $nodeName the name of the node
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* @param callable $callable a callable which creates instances for node-name
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*/
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public function registerNodeBuilder($nodeName, $callable){
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return $this->getServiceProvider()->registerNodeBuilder($nodeName, $callable);
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}
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/**
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* Registers a context-plugin instance.
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*
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* @implements \PEIP\INF\Context\Context
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* @access public
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* @param \PEIP\INF\Context\Context_Plugin $plugin a plugin instance
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*/
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public function addPlugin(\PEIP\INF\Context\ContextPlugin $plugin){
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$plugin->init($this);
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}
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/**
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* Creates a registers a context-plugin instance from a config object.
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*
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* @access public
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* @param array $config configuration for the plugin
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* @return
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*/
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public function createPlugin(array $config){
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$plugin = $this->createService($config);
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$this->addPlugin($plugin);
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}
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/**
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* Adds a context instance to the services stack.
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* Note: Object instances registered with the included context will
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* overwrite any instance with the same id on the including context.
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* If you need a different behavior, please, make use
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* of an include-tag in your configuration before your main
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* configuration part.
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* eg.:
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* <config>
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* <include file="path/to/include/context/config.xml"/>
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* <!-- main configuration -->
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* </config>
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*
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* @access public
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* @param XMLContext $config the config to include
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*/
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public function includeContext(XMLContext $context){
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$this->services = array_merge($this->services, $context->getServices());
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}
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/**
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* Creates and adds a context from file.
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*
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* @see XMLContext::includeContext
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* @access public
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* @param XMLContext $context the config to include
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*/
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public function includeContextFromFile($filePath){
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if(file_exists($filePath)){
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$this->includeContextFromString(file_get_contents($filePath));
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}
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}
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/**
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* Creates and adds a context from string.
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*
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* @see XMLContext::includeContext
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* @access public
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* @param string $configString the config to include
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*/
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public function includeContextFromString($configString){
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$context = new XMLContext($configString);
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$this->includeContext($context);
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}
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/**
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* Creates a context instance from a config object and includes it.
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*
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* @see XMLContext::includeContext
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* @access protected
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* @param object $config the configuration for the context
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*/
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protected function createContext($config){
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if((string)$config['file'] != ''){
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$this->includeContextFromFile((string)$config['file']);
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}
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}
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public function getServiceProvider(){
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return isset($this->serviceProvider)
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? $this->serviceProvider
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: $this->serviceProvider = new ServiceProvider();
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}
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/**
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* Registers the build-methods for the main-components with this context.
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* Note: This method and subsequent registered methods of this class are
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* candidates for refactoring. Because this class has grown much to large
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* and for better design and flexibility the core builder-methods should be
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* put into a core context-plugin.
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*
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* @see XMLContext::includeContext
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* @access protected
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*/
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protected function initNodeBuilders(){
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$builders = array(
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'include' => 'createContext',
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'plugin' => 'createPlugin',
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'channel' => 'createChannel',
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'publish_subscribe_channel' => 'createSubscribableChannel',
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'service' => 'initService',
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'service_activator' => 'createServiceActivator',
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'gateway' => 'createGateway',
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'splitter' => 'createSplitter',
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'transformer' => 'createTransformer',
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'router' => 'createRouter',
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'aggregator' => 'createAggregator',
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'wiretap' => 'createWiretap'
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);
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$plugin = new BasePlugin();
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$this->addPlugin($plugin); return;
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foreach($builders as $nodeName => $method){
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$this->registerNodeBuilder($nodeName, array($this, $method));
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}
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}
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/**
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* Builds a specific configuration-node. Calls the build-method which
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* is registered with the node-name. If none is registered does nothing.
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*
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* @see XMLContext::doCreateChannel
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* @access protected
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* @param object $node configuration-node
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* @return void
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*/
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protected function buildNode($node){
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$nodeName = $node->getName();
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// call the builder method registered for the node.
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if(array_key_exists($nodeName, $this->nodeBuilders)){
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call_user_func($this->nodeBuilders[$nodeName], $node);
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}
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}
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/**
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* Resolves a channel-name and returns channel-instace if found.
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* Main purpose is to allow the context to act as a channel-resolver for
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* mainly routers, hence implement the \PEIP\INF\Channel\ChannelResolver pattern.
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* Note: Channels are registerd globally in a registry per thread/process.
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* This allows to connect many context instances through channels without
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* coupling them by in a include in configuration.
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*
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* @see \PEIP\INF\Channel\ChannelResolver
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* @implements \PEIP\INF\Channel\ChannelResolver
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* @access public
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* @param string $channelName the name/id of the channel to return
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* @return \PEIP\INF\Channel\Channel
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*/
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public function resolveChannelName($channelName){
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return $this->channelRegistry->get($channelName);
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}
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/**
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* returns a service for a given id
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*
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* @implements \PEIP\INF\Context\Context
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* @access public
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* @param mixed $id the id for the service
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* @return object the service instance if found
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*/
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public function getService($id){
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return $this->getServiceProvider()->provideService($id);
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}
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/**
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* returns all registered services
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*
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* @access public
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* @return array registered services
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*/
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public function getServices(){
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return $this->getServiceProvider()->getServices();
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}
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/**
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* Checks wether a service with a given id is registered
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*
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* @access public
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* @param mixed $id the id for the service
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* @return boolean wether service is registered
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*/
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public function hasService($id){
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return isset($this->services[$id]);
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}
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/**
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* Tries to receive a service for a given id.
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* Throws RuntimeException if no service is found
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*
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* @access protected
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* @throws RuntimeException
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* @param mixed $id the id for the service
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* @return object the service instance if found
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*
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*/
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protected function requestService($id){
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$service = $this->getService($id);
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if($service === NULL){
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throw new \RuntimeException('Service "'.$id.'" not found.');
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}
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return $service;
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}
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/**
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* Creates and initializes service instance from a given configuration.
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348
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* Registers instance if id is set in config.
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*
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* @access protected
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* @param object $config
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* @return object the initialized service instance
|
353
|
|
|
*/
|
354
|
|
|
protected function initService($config){
|
355
|
|
|
$id = trim((string)$config['id']);
|
356
|
|
|
if($id != ''){
|
357
|
|
|
return $this->services[$id] = $this->createService($config);
|
|
|
|
|
358
|
|
|
}
|
359
|
|
|
}
|
360
|
|
|
|
361
|
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/**
|
362
|
|
|
* Creates and initializes service instance from a given configuration.
|
363
|
|
|
*
|
364
|
|
|
* @access public
|
365
|
|
|
* @param $config
|
366
|
|
|
* @return object the initialized service instance
|
367
|
|
|
*/
|
368
|
|
|
public function createService(array $config){
|
369
|
|
|
return ServiceFactory::createService($config);
|
370
|
|
|
}
|
371
|
|
|
|
372
|
|
|
|
373
|
|
|
/**
|
374
|
|
|
* returns gateway instance forgiven id.
|
375
|
|
|
* the use of this method is deprecated. Use getService instead.
|
376
|
|
|
*
|
377
|
|
|
* @deprecated
|
378
|
|
|
* @access public
|
379
|
|
|
* @param mixed $id the id ofthe gateway
|
380
|
|
|
* @return object the gateway instance
|
381
|
|
|
*/
|
382
|
|
|
public function getGateway($id){
|
383
|
|
|
return $this->getServiceProvider()->provideService($id);
|
384
|
|
|
}
|
385
|
|
|
|
386
|
|
|
/**
|
387
|
|
|
* Creates a pollable channel from a configuration object.
|
388
|
|
|
*
|
389
|
|
|
* @see XMLContext::doCreateChannel
|
390
|
|
|
* @access public
|
391
|
|
|
* @param object $config configuration object for the pollable channel.
|
392
|
|
|
* @return \PEIP\INF\Channel\Channel the created pollable channel instance
|
393
|
|
|
*/
|
394
|
|
|
public function createChannel($config){
|
395
|
|
|
return $this->doCreateChannel($config, 'PollableChannel');
|
396
|
|
|
}
|
397
|
|
|
|
398
|
|
|
/**
|
399
|
|
|
* Creates a subscribable channel from a configuration object.
|
400
|
|
|
*
|
401
|
|
|
* @see XMLContext::doCreateChannel
|
402
|
|
|
* @access public
|
403
|
|
|
* @param object $config configuration object for the subscribable channel.
|
404
|
|
|
* @return \PEIP\INF\Channel\Channel the created subscribable channel instance
|
405
|
|
|
*/
|
406
|
|
|
public function createSubscribableChannel($config){
|
407
|
|
|
return $this->doCreateChannel($config, 'PublishSubscribeChannel');
|
408
|
|
|
}
|
409
|
|
|
|
410
|
|
|
/**
|
411
|
|
|
* Creates and registers arbitrary channel from a configuration object and additional information.
|
412
|
|
|
*
|
413
|
|
|
* @access public
|
414
|
|
|
* @param object $config configuration object for the channel.
|
415
|
|
|
* @param string $defaultChannelClass the channel class to use if none is set in config
|
416
|
|
|
* @param $additionalArguments additional arguments for the channel constructor (without first arg = id)
|
417
|
|
|
* @return \PEIP\INF\Channel\Channel the created channel instance
|
418
|
|
|
*/
|
419
|
|
|
public function doCreateChannel($config, $defaultChannelClass, array $additionalArguments = array()){
|
420
|
|
|
$id = (string)$config['id'];
|
421
|
|
|
if($id != ''){
|
422
|
|
|
array_unshift($additionalArguments, $id);
|
423
|
|
|
$channel = ServiceFactory::buildAndModify($config, $additionalArguments, $defaultChannelClass);
|
|
|
|
|
424
|
|
|
$this->channelRegistry->register($channel);
|
425
|
|
|
return $channel;
|
426
|
|
|
}
|
427
|
|
|
}
|
428
|
|
|
|
429
|
|
|
/**
|
430
|
|
|
* Creates and registers gateway from a configuration object.
|
431
|
|
|
*
|
432
|
|
|
* @see XMLContext::initNodeBuilders
|
433
|
|
|
* @access public
|
434
|
|
|
* @param object $config configuration object for the gateway.
|
435
|
|
|
* @param string $defaultClass the class to use if none is set in config.
|
436
|
|
|
* @return object the gateway instance
|
437
|
|
|
*/
|
438
|
|
View Code Duplication |
public function createGateway($config, $defaultClass = false){
|
|
|
|
|
439
|
|
|
$args = array(
|
440
|
|
|
$this->getRequestChannel($config),
|
441
|
|
|
$this->getReplyChannel($config)
|
442
|
|
|
);
|
443
|
|
|
$defaultClass = $defaultClass ? $defaultClass : 'SimpleMessagingGateway';
|
444
|
|
|
$gateway = ServiceFactory::buildAndModify($config, $args, $defaultClass);
|
|
|
|
|
445
|
|
|
$id = (string)$config["id"];
|
446
|
|
|
$this->gateways[$id] = $gateway;
|
447
|
|
|
return $gateway;
|
448
|
|
|
}
|
449
|
|
|
|
450
|
|
|
/**
|
451
|
|
|
* Creates and registers router from a configuration object.
|
452
|
|
|
* Adds this context instance as channel-resolver to the router if
|
453
|
|
|
* none is set in config.
|
454
|
|
|
*
|
455
|
|
|
* @see XMLContext::resolveChannelName
|
456
|
|
|
* @see XMLContext::initNodeBuilders
|
457
|
|
|
* @access public
|
458
|
|
|
* @param object $config configuration object for the gateway.
|
459
|
|
|
* @param string $defaultClass the class to use if none is set in config.
|
460
|
|
|
* @return object the router instance
|
461
|
|
|
*/
|
462
|
|
View Code Duplication |
public function createRouter($config, $defaultClass = false){
|
|
|
|
|
463
|
|
|
$resolver = $config['channel_resolver'] ? (string)$config['channel_resolver'] : $this->channelRegistry;
|
464
|
|
|
return ServiceFactory::buildAndModify($config, array(
|
|
|
|
|
465
|
|
|
$resolver,
|
466
|
|
|
$this->doGetChannel('input', $config)
|
467
|
|
|
), $defaultClass);
|
|
|
|
|
468
|
|
|
}
|
469
|
|
|
|
470
|
|
|
/**
|
471
|
|
|
* Creates and registers splitter from a configuration object.
|
472
|
|
|
*
|
473
|
|
|
* @see XMLContext::initNodeBuilders
|
474
|
|
|
* @see XMLContext::createReplyMessageHandler
|
475
|
|
|
* @access public
|
476
|
|
|
* @param object $config configuration object for the splitter.
|
477
|
|
|
* @return object the splitter instance
|
478
|
|
|
*/
|
479
|
|
|
public function createSplitter($config){
|
480
|
|
|
return $this->createReplyMessageHandler($config);
|
481
|
|
|
}
|
482
|
|
|
|
483
|
|
|
/**
|
484
|
|
|
* Creates and registers transformer from a configuration object.
|
485
|
|
|
*
|
486
|
|
|
* @see XMLContext::initNodeBuilders
|
487
|
|
|
* @see XMLContext::createReplyMessageHandler
|
488
|
|
|
* @access public
|
489
|
|
|
* @param object $config configuration object for the transformer.
|
490
|
|
|
* @return object the transformer instance
|
491
|
|
|
*/
|
492
|
|
|
public function createTransformer($config){
|
493
|
|
|
return $this->createReplyMessageHandler($config);
|
494
|
|
|
}
|
495
|
|
|
|
496
|
|
|
/**
|
497
|
|
|
* Creates aggregator from a configuration object.
|
498
|
|
|
*
|
499
|
|
|
* @see XMLContext::initNodeBuilders
|
500
|
|
|
* @see XMLContext::createReplyMessageHandler
|
501
|
|
|
* @access public
|
502
|
|
|
* @param object $config configuration object for the aggregator.
|
503
|
|
|
* @return object the aggregator instance
|
504
|
|
|
*/
|
505
|
|
|
public function createAggregator($config){
|
506
|
|
|
return $this->createReplyMessageHandler($config);
|
507
|
|
|
}
|
508
|
|
|
|
509
|
|
|
/**
|
510
|
|
|
* Creates wiretap from a configuration object.
|
511
|
|
|
*
|
512
|
|
|
* @see XMLContext::initNodeBuilders
|
513
|
|
|
* @see XMLContext::createReplyMessageHandler
|
514
|
|
|
* @access public
|
515
|
|
|
* @param object $config configuration object for the wiretap.
|
516
|
|
|
* @return object the wiretap instance
|
517
|
|
|
*/
|
518
|
|
|
public function createWiretap($config){
|
519
|
|
|
return $this->createReplyMessageHandler($config, 'Wiretap');
|
520
|
|
|
}
|
521
|
|
|
|
522
|
|
|
/**
|
523
|
|
|
* Creates a reply-message-handler from a configuration object.
|
524
|
|
|
*
|
525
|
|
|
* @see XMLContext::initNodeBuilders
|
526
|
|
|
* @access public
|
527
|
|
|
* @param object $config configuration object for the reply-message-handler.
|
528
|
|
|
* @param string $defaultClass the class to use if none is set in config.
|
529
|
|
|
* @return object the reply-message-handler instance
|
530
|
|
|
*/
|
531
|
|
|
public function createReplyMessageHandler($config, $defaultClass = false){
|
532
|
|
|
return ServiceFactory::buildAndModify($config, $this->getReplyHandlerArguments($config), $defaultClass);
|
|
|
|
|
533
|
|
|
}
|
534
|
|
|
|
535
|
|
|
/**
|
536
|
|
|
* Creates and registers service-activator from a configuration object.
|
537
|
|
|
*
|
538
|
|
|
* @see XMLContext::initNodeBuilders
|
539
|
|
|
* @access public
|
540
|
|
|
* @param object $config configuration object for the service-activator.
|
541
|
|
|
* @param string $defaultClass the class to use if none is set in config.
|
542
|
|
|
* @return object the service-activator instance
|
543
|
|
|
*/
|
544
|
|
View Code Duplication |
public function createServiceActivator($config, $defaultClass = false){
|
|
|
|
|
545
|
|
|
$method = (string)$config['method'];
|
546
|
|
|
$service = $this->getService((string)$config['ref']);
|
547
|
|
|
if($method && $service){
|
548
|
|
|
$args = $this->getReplyHandlerArguments($config);
|
549
|
|
|
array_unshift($args,array(
|
550
|
|
|
$service,
|
551
|
|
|
$method
|
552
|
|
|
));
|
553
|
|
|
$defaultClass = $defaultClass ? $defaultClass : 'ServiceActivator';
|
554
|
|
|
return ServiceFactory::buildAndModify($config, $args, $defaultClass);
|
|
|
|
|
555
|
|
|
}
|
556
|
|
|
}
|
557
|
|
|
|
558
|
|
|
|
559
|
|
|
/**
|
560
|
|
|
* Provides a service for a configuration object.
|
561
|
|
|
* Returns reference to a service if configured, otherwise
|
562
|
|
|
* creates new service instance.
|
563
|
|
|
*
|
564
|
|
|
* @see XMLContext::getService
|
565
|
|
|
* @see XMLContext::createService
|
566
|
|
|
* @access protected
|
567
|
|
|
* @param object $config configuration object for the service.
|
568
|
|
|
* @return
|
569
|
|
|
*/
|
570
|
|
|
protected function provideService($config){
|
571
|
|
|
$ref = trim((string)$config['ref']);
|
572
|
|
|
if($ref != ''){
|
573
|
|
|
$service = $this->getService($ref);
|
574
|
|
|
}else{
|
575
|
|
|
$service = $this->createService($config);
|
|
|
|
|
576
|
|
|
}
|
577
|
|
|
return $service;
|
578
|
|
|
}
|
579
|
|
|
|
580
|
|
|
/**
|
581
|
|
|
* Utility method to return a (camel-cased) setter method-name for a property of a config-obect.
|
582
|
|
|
* Returns setter-name if set in configuration, otherwise if name of property is set, returns
|
583
|
|
|
* camel-cased setter-name build from property-name.
|
584
|
|
|
*
|
585
|
|
|
* @see XMLContext::getService
|
586
|
|
|
* @see XMLContext::createService
|
587
|
|
|
* @access protected
|
588
|
|
|
* @param object $config configuration object for the setter-method.
|
589
|
|
|
* @return string camel-cased
|
590
|
|
|
*/
|
591
|
|
|
protected static function getSetter($config){
|
592
|
|
|
if($config['setter']){
|
593
|
|
|
$setter = (string)$config['setter'];
|
594
|
|
|
}elseif($config['name']){
|
595
|
|
|
$setter = 'set'.ucfirst((string)$config['name']);
|
596
|
|
|
}
|
597
|
|
|
return $setter;
|
|
|
|
|
598
|
|
|
}
|
599
|
|
|
|
600
|
|
|
/**
|
601
|
|
|
* Builds single argument (to call a method with later) from a config-obect.
|
602
|
|
|
*
|
603
|
|
|
* @access protected
|
604
|
|
|
* @param object $config configuration object to create argument from.
|
605
|
|
|
* @return mixed build argument
|
606
|
|
|
*/
|
607
|
|
View Code Duplication |
protected function buildArg($config){
|
|
|
|
|
608
|
|
|
if(trim((string)$config['value']) != ''){
|
609
|
|
|
$arg = (string)$config['value'];
|
610
|
|
|
}elseif($config->getName() == 'value'){
|
611
|
|
|
$arg = (string)$config;
|
612
|
|
|
}elseif($config->getName() == 'list'){
|
613
|
|
|
$arg = array();
|
614
|
|
|
foreach($config->children() as $entry){
|
615
|
|
|
if($entry->getName() == 'value'){
|
616
|
|
|
if($entry['key']){
|
617
|
|
|
$arg[(string)$entry['key']] = (string)$entry;
|
618
|
|
|
}else{
|
619
|
|
|
$arg[] = (string)$entry;
|
620
|
|
|
}
|
621
|
|
|
}elseif($entry->getName() == 'service'){
|
622
|
|
|
$arg[] = $this->provideService($entry);
|
623
|
|
|
}
|
624
|
|
|
}
|
625
|
|
|
}elseif($config->getName() == 'service'){
|
626
|
|
|
$arg = $this->provideService($config);
|
627
|
|
|
}elseif($config->list){
|
628
|
|
|
$arg = $this->buildArg($config->list);
|
629
|
|
|
}elseif($config->service){
|
630
|
|
|
$arg = $this->buildArg($config->service);
|
631
|
|
|
}
|
632
|
|
|
return $arg;
|
|
|
|
|
633
|
|
|
}
|
634
|
|
|
|
635
|
|
|
|
636
|
|
|
/**
|
637
|
|
|
* Utility method to create arguments for a reply-handler constructor from a config-obect.
|
638
|
|
|
*
|
639
|
|
|
* @access protected
|
640
|
|
|
* @param object $config configuration object to create arguments from.
|
641
|
|
|
* @return mixed build arguments
|
642
|
|
|
*/
|
643
|
|
View Code Duplication |
protected function getReplyHandlerArguments($config){
|
|
|
|
|
644
|
|
|
$args = array(
|
645
|
|
|
$this->doGetChannel('input', $config),
|
646
|
|
|
$this->doGetChannel('output', $config)
|
647
|
|
|
);
|
648
|
|
|
if($args[0] == NULL){
|
649
|
|
|
throw new \RuntimeException('Could not receive input channel.');
|
650
|
|
|
}
|
651
|
|
|
return $args;
|
652
|
|
|
}
|
653
|
|
|
|
654
|
|
|
|
655
|
|
|
/**
|
656
|
|
|
* Utility method to return a request-channel from a config-obect.
|
657
|
|
|
*
|
658
|
|
|
* @see XMLContext::doGetChannel
|
659
|
|
|
* @access protected
|
660
|
|
|
* @param object $config configuration object to return request-channel from.
|
661
|
|
|
* @return \PEIP\INF\Channel\Channel request-channel
|
662
|
|
|
*/
|
663
|
|
|
protected function getRequestChannel($config){
|
664
|
|
|
return $this->doGetChannel('request', $config);
|
665
|
|
|
}
|
666
|
|
|
|
667
|
|
|
|
668
|
|
|
/**
|
669
|
|
|
* Utility method to return a reply-channel from a config-obect.
|
670
|
|
|
*
|
671
|
|
|
* @see XMLContext::doGetChannel
|
672
|
|
|
* @access protected
|
673
|
|
|
* @param object $config configuration object to return reply-channel from.
|
674
|
|
|
* @return \PEIP\INF\Channel\Channel reply-channel
|
675
|
|
|
*/
|
676
|
|
|
protected function getReplyChannel($config){
|
677
|
|
|
return $this->doGetChannel('reply', $config);
|
678
|
|
|
}
|
679
|
|
|
|
680
|
|
|
|
681
|
|
|
/**
|
682
|
|
|
* Utility method to return a certainn channel from a config-obect.
|
683
|
|
|
*
|
684
|
|
|
* @access protected
|
685
|
|
|
* @param string the configuration type ofthe channel (e.g.: 'reply', 'request')
|
686
|
|
|
* @param object $config configuration object to return channel from.
|
687
|
|
|
* @return \PEIP\INF\Channel\Channel reply-channel
|
688
|
|
|
*/
|
689
|
|
View Code Duplication |
public function doGetChannel($type, $config){
|
|
|
|
|
690
|
|
|
$channelName = $config[$type."_channel"]
|
691
|
|
|
? $config[$type."_channel"]
|
692
|
|
|
: $config["default_".$type."_channel"];
|
693
|
|
|
return $this->serviceProvider->provideService(trim((string)$channelName));
|
694
|
|
|
$channel = $this->services[trim((string)$channelName)];
|
|
|
|
|
695
|
|
|
if($channel instanceof \PEIP\INF\Channel\Channel){
|
|
|
|
|
696
|
|
|
return $channel;
|
697
|
|
|
}else{
|
698
|
|
|
return NULL;
|
699
|
|
|
}
|
700
|
|
|
}
|
701
|
|
|
|
702
|
|
|
|
703
|
|
|
|
704
|
|
|
/**
|
705
|
|
|
* Builds an arbitrary service/object instance from a config-obect.
|
706
|
|
|
*
|
707
|
|
|
* @static
|
708
|
|
|
* @access protected
|
709
|
|
|
* @param object $config configuration object to build a service instance from.
|
710
|
|
|
* @param array $arguments arguments for the service constructor
|
711
|
|
|
* @param string $defaultClass class to create instance for if none is set in config
|
712
|
|
|
* @return object build and modified srvice instance
|
713
|
|
|
*/
|
714
|
|
|
protected static function doBuild($config, $arguments, $defaultClass = false){
|
715
|
|
|
$cls = $config["class"] ? trim((string)$config["class"]) : (string)$defaultClass;
|
716
|
|
|
if($cls != ''){
|
717
|
|
|
try {
|
718
|
|
|
$constructor = (string)$config["constructor"];
|
719
|
|
|
if($constructor != ''){
|
720
|
|
|
$service = call_user_func_array(array($cls, $constructor), $arguments);
|
721
|
|
|
}else{
|
722
|
|
|
$service = self::build($cls, $arguments);
|
|
|
|
|
723
|
|
|
}
|
724
|
|
|
}catch(\Exception $e){
|
725
|
|
|
throw new \RuntimeException('Could not create Service "'.$cls.'" -> '.$e->getMessage());
|
726
|
|
|
}
|
727
|
|
|
}
|
728
|
|
|
if(is_object($service)){
|
729
|
|
|
return $service;
|
|
|
|
|
730
|
|
|
}
|
731
|
|
|
throw new \RuntimeException('Could not create Service "'.$cls.'". Class does not exist.');
|
732
|
|
|
}
|
733
|
|
|
|
734
|
|
|
/**
|
735
|
|
|
* Utility function to build an object instance for given class with given constructor-arguments.
|
736
|
|
|
*
|
737
|
|
|
* @see GenericBuilder
|
738
|
|
|
* @static
|
739
|
|
|
* @access protected
|
740
|
|
|
* @param object $className name of class to build instance for.
|
741
|
|
|
* @param array $arguments arguments for the constructor
|
742
|
|
|
* @return object build and modified srvice instance
|
743
|
|
|
*/
|
744
|
|
|
protected static function build($className, $arguments){
|
745
|
|
|
return GenericBuilder::getInstance($className)->build($arguments);
|
|
|
|
|
746
|
|
|
}
|
747
|
|
|
|
748
|
|
|
protected static function hasPublicProperty($service, $type, $name){
|
749
|
|
|
$reflection = GenericBuilder::getInstance(get_class($service))->getReflectionClass();
|
750
|
|
|
if($reflection->{'has'.$type}($name) && $reflection->{'get'.$type}($name)->isPublic()){
|
751
|
|
|
return true;
|
752
|
|
|
}
|
753
|
|
|
return false;
|
754
|
|
|
}
|
755
|
|
|
|
756
|
|
|
}
|
757
|
|
|
|