From 7546048a58c16ad083d732aacd2af2d4a200b47c Mon Sep 17 00:00:00 2001
From: Philipp Prangenberg <philipp.prangenberg@derkurier.de>
Date: Tue, 6 Dec 2016 11:45:05 +0100
Subject: Updating HashMap groupsByName in group-access methods

---
 src/org/traccar/database/DeviceManager.java | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/org/traccar/database/DeviceManager.java b/src/org/traccar/database/DeviceManager.java
index 403953d56..a75b0616c 100644
--- a/src/org/traccar/database/DeviceManager.java
+++ b/src/org/traccar/database/DeviceManager.java
@@ -313,17 +313,24 @@ public class DeviceManager implements IdentityManager {
         checkGroupCycles(group);
         dataManager.addGroup(group);
         groupsById.put(group.getId(), group);
+        groupsByName.put(group.getName(), group);
     }
 
     public void updateGroup(Group group) throws SQLException {
+        String oldGroupName = groupsById.get(group.getId()).getName();
         checkGroupCycles(group);
         dataManager.updateGroup(group);
         groupsById.put(group.getId(), group);
+        if (!oldGroupName.equals(group.getName())) {
+            groupsByName.remove(oldGroupName);
+        }
+        groupsByName.put(group.getName(), group);
     }
 
     public void removeGroup(long groupId) throws SQLException {
         dataManager.removeGroup(groupId);
         groupsById.remove(groupId);
+        groupsByName.remove(getGroupById(groupId).getName());
     }
 
     public boolean lookupAttributeBoolean(
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