From a1e4e6e92b11c9b57037a65ff19e184c04ca19f4 Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@netways.de>
Date: Mon, 15 Jun 2015 16:05:37 +0200
Subject: [PATCH] ObjectList: Implement interface Filterable

Allows to use instances of it for Controller::applyRestriction().

refs #9009
---
 .../library/Monitoring/Object/ObjectList.php  | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/modules/monitoring/library/Monitoring/Object/ObjectList.php b/modules/monitoring/library/Monitoring/Object/ObjectList.php
index c4ecdddb2..f2e51daf2 100644
--- a/modules/monitoring/library/Monitoring/Object/ObjectList.php
+++ b/modules/monitoring/library/Monitoring/Object/ObjectList.php
@@ -6,10 +6,11 @@ namespace Icinga\Module\Monitoring\Object;
 use ArrayIterator;
 use Countable;
 use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filterable;
 use IteratorAggregate;
 use Icinga\Module\Monitoring\Backend\MonitoringBackend;
 
-abstract class ObjectList implements Countable, IteratorAggregate
+abstract class ObjectList implements Countable, IteratorAggregate, Filterable
 {
     /**
      * @var string
@@ -81,9 +82,29 @@ abstract class ObjectList implements Countable, IteratorAggregate
      */
     public function getFilter()
     {
+        if ($this->filter === null) {
+            $this->filter = Filter::matchAny();
+        }
+
         return $this->filter;
     }
 
+    public function applyFilter(Filter $filter)
+    {
+        $this->getFilter()->addFilter($filter);
+        return $this;
+    }
+
+    public function addFilter(Filter $filter)
+    {
+        $this->getFilter()->addFilter($filter);
+    }
+
+    public function where($condition, $value = null)
+    {
+        $this->getFilter()->addFilter(Filter::where($condition, $value));
+    }
+
     abstract protected function fetchObjects();
 
     /**