RemoteCommandFile: Accept option `instance'

refs #9651

modules/monitoring/library/Monitoring/Command/Transport/RemoteCommandFile.php

@@ -22,6 +22,13 @@ class RemoteCommandFile implements CommandTransportInterface
      */
     const TRANSPORT = 'remote';
 
+    /**
+     * The name of the Icinga instance this transport will transfer commands to
+     *
+     * @var string
+     */
+    protected $instanceName;
+
     /**
      * Remote host
      *
@@ -74,6 +81,29 @@ class RemoteCommandFile implements CommandTransportInterface
         $this->renderer = new IcingaCommandFileCommandRenderer();
     }
 
+    /**
+     * Set the name of the Icinga instance this transport will transfer commands to
+     *
+     * @param   string  $name
+     *
+     * @return  $this
+     */
+    public function setInstance($name)
+    {
+        $this->instanceName = $name;
+        return $this;
+    }
+
+    /**
+     * Return the name of the Icinga instance this transport will transfer commands to
+     *
+     * @return  string
+     */
+    public function getInstance()
+    {
+        return $this->instanceName;
+    }
+
     /**
      * Set the remote host
      *