From af05b3d031dc1c20ae540615dd0f11ca014e37d8 Mon Sep 17 00:00:00 2001
From: Evgeny Ushkalov <info@kuvalda.spb.ru>
Date: Thu, 24 Jul 2014 12:09:38 +0200
Subject: [PATCH] Properly clear features in ol.source.ServerVector#clear

---
 src/ol/source/servervectorsource.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/ol/source/servervectorsource.js b/src/ol/source/servervectorsource.js
index b2b4f6e873..54a80d7e17 100644
--- a/src/ol/source/servervectorsource.js
+++ b/src/ol/source/servervectorsource.js
@@ -2,6 +2,7 @@
 
 goog.provide('ol.source.ServerVector');
 
+goog.require('goog.object');
 goog.require('ol.extent');
 goog.require('ol.loadingstrategy');
 goog.require('ol.source.FormatVector');
@@ -79,6 +80,16 @@ ol.source.ServerVector.prototype.addFeaturesInternal = function(features) {
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.source.ServerVector.prototype.clear = function() {
+  goog.object.clear(this.loadedFeatures_);
+  this.loadedExtents_.clear();
+  goog.base(this, 'clear');
+};
+
+
 /**
  * @inheritDoc
  */