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[autoinstallsdev/mediawiki.git] / vendor / nmred / kafka-php / src / Kafka / Protocol / Fetch / Helper / Helper.php

diff --git a/vendor/nmred/kafka-php/src/Kafka/Protocol/Fetch/Helper/Helper.php b/vendor/nmred/kafka-php/src/Kafka/Protocol/Fetch/Helper/Helper.php
new file mode 100644 (file)
index 0000000..33ba7d2
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+++ b/vendor/nmred/kafka-php/src/Kafka/Protocol/Fetch/Helper/Helper.php
@@ -0,0 +1,160 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
+// +---------------------------------------------------------------------------
+// | SWAN [ $_SWANBR_SLOGAN_$ ]
+// +---------------------------------------------------------------------------
+// | Copyright $_SWANBR_COPYRIGHT_$
+// +---------------------------------------------------------------------------
+// | Version  $_SWANBR_VERSION_$
+// +---------------------------------------------------------------------------
+// | Licensed ( $_SWANBR_LICENSED_URL_$ )
+// +---------------------------------------------------------------------------
+// | $_SWANBR_WEB_DOMAIN_$
+// +---------------------------------------------------------------------------
+
+namespace Kafka\Protocol\Fetch\Helper;
+
+/**
++------------------------------------------------------------------------------
+* Kafka protocol since Kafka v0.8
++------------------------------------------------------------------------------
+*
+* @package
+* @version $_SWANBR_VERSION_$
+* @copyright Copyleft
+* @author $_SWANBR_AUTHOR_$
++------------------------------------------------------------------------------
+*/
+
+class Helper
+{
+    // {{{ members
+
+    /**
+     * helper object
+     */
+    private static $helpers = array();
+
+    // }}}
+    // {{{ functions
+    // {{{ public staitc function registerHelper()
+
+    /**
+     * register helper
+     *
+     * @param string $key
+     * @param \Kafka\Protocol\Fetch\Helper\HelperAbstract $helper
+     * @static
+     * @access public
+     * @return void
+     */
+    public static function registerHelper($key, $helper = null)
+    {
+        if (is_null($helper)) {
+            $className = '\\Kafka\\Protocol\\Fetch\\Helper\\' . $key;
+            if (!class_exists($className)) {
+                throw new \Kafka\Exception('helper is not exists.');
+            }
+            $helper = new $className();
+        }
+
+        if ($helper instanceof \Kafka\Protocol\Fetch\Helper\HelperAbstract) {
+            self::$helpers[$key] = $helper;
+        } else {
+            throw new \Kafka\Exception('this helper not instance of `\Kafka\Protocol\Fetch\Helper\HelperAbstract`');
+        }
+    }
+
+    // }}}
+    // {{{ public staitc function unRegisterHelper()
+
+    /**
+     * unregister helper
+     *
+     * @param string $key
+     * @static
+     * @access public
+     * @return void
+     */
+    public static function unRegisterHelper($key)
+    {
+        if (isset(self::$helpers[$key])) {
+            unset(self::$helpers[$key]);
+        }
+    }
+
+    // }}}
+    // {{{ public static function onStreamEof()
+
+    /**
+     * on stream eof call
+     *
+     * @param string $streamKey
+     * @static
+     * @access public
+     * @return void
+     */
+    public static function onStreamEof($streamKey)
+    {
+        if (empty(self::$helpers)) {
+            return;
+        }
+
+        foreach (self::$helpers as $key => $helper) {
+            if (method_exists($helper, 'onStreamEof')) {
+                $helper->onStreamEof($streamKey);
+            }
+        }
+    }
+
+    // }}}
+    // {{{ public static function onTopicEof()
+
+    /**
+     * on topic eof call
+     *
+     * @param string $topicName
+     * @static
+     * @access public
+     * @return void
+     */
+    public static function onTopicEof($topicName)
+    {
+        if (empty(self::$helpers)) {
+            return;
+        }
+
+        foreach (self::$helpers as $key => $helper) {
+            if (method_exists($helper, 'onTopicEof')) {
+                $helper->onStreamEof($topicName);
+            }
+        }
+    }
+
+    // }}}
+    // {{{ public static function onPartitionEof()
+
+    /**
+     * on partition eof call
+     *
+     * @param \Kafka\Protocol\Fetch\Partition $partition
+     * @static
+     * @access public
+     * @return void
+     */
+    public static function onPartitionEof($partition)
+    {
+        if (empty(self::$helpers)) {
+            return;
+        }
+
+        foreach (self::$helpers as $key => $helper) {
+            if (method_exists($helper, 'onPartitionEof')) {
+                $helper->onPartitionEof($partition);
+            }
+        }
+    }
+
+    // }}}
+    // }}}
+}