1 files changed, 107 insertions, 0 deletions
diff --git a/library/Businessprocess/Storage/Storage.php b/library/Businessprocess/Storage/Storage.php
new file mode 100644
index 0000000..c8a07ba
--- /dev/null
+++ b/library/Businessprocess/Storage/Storage.php
@@ -0,0 +1,107 @@
+<?php
+
+namespace Icinga\Module\Businessprocess\Storage;
+
+use Icinga\Application\Config;
+use Icinga\Data\ConfigObject;
+use Icinga\Module\Businessprocess\BpConfig;
+use Icinga\Module\Businessprocess\Metadata;
+
+abstract class Storage
+{
+    /**
+     * @var static
+     */
+    protected static $instance;
+
+    /**
+     * @var ConfigObject
+     */
+    protected $config;
+
+    /**
+     * Storage constructor.
+     * @param ConfigObject $config
+     */
+    public function __construct(ConfigObject $config)
+    {
+        $this->config = $config;
+        $this->init();
+    }
+
+    protected function init()
+    {
+    }
+
+    public static function getInstance()
+    {
+        if (static::$instance === null) {
+            static::$instance = new static(Config::module('businessprocess')->getSection('global'));
+        }
+
+        return static::$instance;
+    }
+
+    /**
+     * All processes readable by the current user
+     *
+     * The returned array has the form <process name> => <nice title>, sorted
+     * by title
+     *
+     * @return array
+     */
+    abstract public function listProcesses();
+
+    /**
+     * All process names readable by the current user
+     *
+     * The returned array has the form <process name> => <process name> and is
+     * sorted
+     *
+     * @return array
+     */
+    abstract public function listProcessNames();
+
+    /**
+     * All available process names, regardless of eventual restrictions
+     *
+     * @return array
+     */
+    abstract public function listAllProcessNames();
+
+    /**
+     * Whether a configuration with the given name exists
+     *
+     * @param $name
+     *
+     * @return bool
+     */
+    abstract public function hasProcess($name);
+
+    /**
+     * @param $name
+     * @return BpConfig
+     */
+    abstract public function loadProcess($name);
+
+    /**
+     * Store eventual changes applied to the given configuration
+     *
+     * @param BpConfig $config
+     *
+     * @return mixed
+     */
+    abstract public function storeProcess(BpConfig $config);
+
+    /**
+     * @param $name
+     * @return bool Whether the process has been deleted
+     */
+    abstract public function deleteProcess($name);
+
+    /**
+     * @param  string $name
+     * @return Metadata
+     */
+    abstract public function loadMetadata($name);
+}