Introduce interface Extensible

refs #8826

library/Icinga/Data/Extensible.php

@@ -0,0 +1,22 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Data;
+
+use Icinga\Exception\StatementException;
+
+/**
+ * Interface for data insertion
+ */
+interface Extensible
+{
+    /**
+     * Insert the given data for the given target
+     *
+     * @param   string  $target
+     * @param   array   $data
+     *
+     * @throws  StatementException
+     */
+    public function insert($target, array $data);
+}