From 65d3654dcca878cfd839e40c0dd020da199be09e Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Wed, 8 Jun 2022 08:14:20 -0700
Subject: More cache improvements

---
 .../org/traccar/session/cache/CacheManager.java    | 35 +++++++++++++---------
 1 file changed, 21 insertions(+), 14 deletions(-)

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

diff --git a/src/main/java/org/traccar/session/cache/CacheManager.java b/src/main/java/org/traccar/session/cache/CacheManager.java
index 8e1737441..a934431be 100644
--- a/src/main/java/org/traccar/session/cache/CacheManager.java
+++ b/src/main/java/org/traccar/session/cache/CacheManager.java
@@ -136,36 +136,43 @@ public class CacheManager {
         }
     }
 
-    public void updateOrInvalidate(Class<? extends BaseModel> clazz, long id) throws StorageException {
-        boolean invalidate = false;
-        var before = getObject(clazz, id);
-        var after = storage.getObject(clazz, new Request(
+    public <T extends BaseModel> void updateOrInvalidate(Class<T> clazz, long id) throws StorageException {
+        var object = storage.getObject(clazz, new Request(
                 new Columns.All(), new Condition.Equals("id", "id", id)));
+        if (object != null) {
+            updateOrInvalidate(object);
+        } else {
+            invalidate(clazz, id);
+        }
+    }
+
+    public <T extends BaseModel> void updateOrInvalidate(T object) throws StorageException {
+        boolean invalidate = false;
+        var before = getObject(object.getClass(), object.getId());
         if (before == null) {
             return;
-        } else if (after == null) {
-            invalidate = true;
-        } else if (clazz.isInstance(GroupedModel.class)) {
-            if (((GroupedModel) before).getGroupId() != ((GroupedModel) after).getGroupId()) {
+        } else if (object instanceof GroupedModel) {
+            if (((GroupedModel) before).getGroupId() != ((GroupedModel) object).getGroupId()) {
                 invalidate = true;
             }
         }
         if (invalidate) {
-            invalidate(new CacheKey(clazz, id));
+            invalidate(object.getClass(), object.getId());
         } else {
+            // TODO if device, also need to update geofences
             try {
                 lock.writeLock().lock();
-                var cacheValue = deviceCache.get(new CacheKey(clazz, id));
-                if (cacheValue != null) {
-                    cacheValue.setValue(after);
-                }
-                // TODO if device, also need to update geofences
+                deviceCache.get(new CacheKey(object.getClass(), object.getId())).setValue(object);
             } finally {
                 lock.writeLock().unlock();
             }
         }
     }
 
+    public <T extends BaseModel> void invalidate(Class<T> clazz, long id) throws StorageException {
+        invalidate(new CacheKey(clazz, id));
+    }
+
     public void invalidate(
             Class<? extends BaseModel> clazz1, long id1,
             Class<? extends BaseModel> clazz2, long id2) throws StorageException {
-- 
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