From 9a0e47a3e1ed081461db1252d7c00a27933883e2 Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@netways.de>
Date: Mon, 3 Aug 2015 14:49:33 +0200
Subject: [PATCH] SimpleQuery: Add method hasResult()

refs #9632
---
 library/Icinga/Data/SimpleQuery.php                    | 10 ++++++++++
 library/Icinga/Repository/RepositoryQuery.php          | 10 ++++++++++
 .../library/Monitoring/DataView/DataView.php           | 10 ++++++++++
 3 files changed, 30 insertions(+)

diff --git a/library/Icinga/Data/SimpleQuery.php b/library/Icinga/Data/SimpleQuery.php
index 33745a822..2dcecfc9c 100644
--- a/library/Icinga/Data/SimpleQuery.php
+++ b/library/Icinga/Data/SimpleQuery.php
@@ -422,6 +422,16 @@ class SimpleQuery implements QueryInterface, Queryable, Iterator
         return $this->hasMore;
     }
 
+    /**
+     * Return whether this query will or has yielded any result
+     *
+     * @return  bool
+     */
+    public function hasResult()
+    {
+        return $this->iteratorPosition !== null || $this->fetchRow() !== false;
+    }
+
     /**
      * Set a limit count and offset to the query
      *
diff --git a/library/Icinga/Repository/RepositoryQuery.php b/library/Icinga/Repository/RepositoryQuery.php
index 163bb40ff..c975654db 100644
--- a/library/Icinga/Repository/RepositoryQuery.php
+++ b/library/Icinga/Repository/RepositoryQuery.php
@@ -367,6 +367,16 @@ class RepositoryQuery implements QueryInterface, SortRules, Iterator
         return $this->query->hasMore();
     }
 
+    /**
+     * Return whether this query will or has yielded any result
+     *
+     * @return  bool
+     */
+    public function hasResult()
+    {
+        return $this->query->hasResult();
+    }
+
     /**
      * Limit this query's results
      *
diff --git a/modules/monitoring/library/Monitoring/DataView/DataView.php b/modules/monitoring/library/Monitoring/DataView/DataView.php
index 49f14a2e9..11543351c 100644
--- a/modules/monitoring/library/Monitoring/DataView/DataView.php
+++ b/modules/monitoring/library/Monitoring/DataView/DataView.php
@@ -433,6 +433,16 @@ abstract class DataView implements QueryInterface, SortRules, IteratorAggregate
         return $this->query->hasMore();
     }
 
+    /**
+     * Return whether this query will or has yielded any result
+     *
+     * @return  bool
+     */
+    public function hasResult()
+    {
+        return $this->query->hasResult();
+    }
+
     /**
      * Set a limit count and offset
      *