From 6e1d43d86414281ca562c45488b82808936fc980 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Thu, 2 Jun 2022 17:11:17 -0700
Subject: Integrate cache manager

---
 src/main/java/org/traccar/session/cache/CacheManager.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/main/java/org/traccar/session/cache')

diff --git a/src/main/java/org/traccar/session/cache/CacheManager.java b/src/main/java/org/traccar/session/cache/CacheManager.java
index ae514ce8b..d019b072b 100644
--- a/src/main/java/org/traccar/session/cache/CacheManager.java
+++ b/src/main/java/org/traccar/session/cache/CacheManager.java
@@ -99,7 +99,9 @@ public class CacheManager {
     public void addDevice(long deviceId) throws StorageException {
         try {
             lock.writeLock().lock();
-            unsafeAddDevice(deviceId);
+            if (!deviceLinks.containsKey(deviceId)) {
+                unsafeAddDevice(deviceId);
+            }
         } finally {
             lock.writeLock().unlock();
         }
@@ -108,7 +110,9 @@ public class CacheManager {
     public void removeDevice(long deviceId) {
         try {
             lock.writeLock().lock();
-            unsafeRemoveDevice(deviceId);
+            if (deviceLinks.containsKey(deviceId)) {
+                unsafeRemoveDevice(deviceId);
+            }
         } finally {
             lock.writeLock().unlock();
         }
-- 
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