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-rw-r--r--src/main/java/org/traccar/session/cache/CacheManager.java13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/main/java/org/traccar/session/cache/CacheManager.java b/src/main/java/org/traccar/session/cache/CacheManager.java
index 0865b2647..07f27d776 100644
--- a/src/main/java/org/traccar/session/cache/CacheManager.java
+++ b/src/main/java/org/traccar/session/cache/CacheManager.java
@@ -42,6 +42,7 @@ import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
+import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
@@ -65,7 +66,7 @@ public class CacheManager implements BroadcastInterface {
private final Map<CacheKey, CacheValue> deviceCache = new HashMap<>();
private final Map<Long, Integer> deviceReferences = new HashMap<>();
- private final Map<Long, Map<Class<? extends BaseModel>, List<Long>>> deviceLinks = new HashMap<>();
+ private final Map<Long, Map<Class<? extends BaseModel>, Set<Long>>> deviceLinks = new HashMap<>();
private final Map<Long, Position> devicePositions = new HashMap<>();
private Server server;
@@ -271,7 +272,7 @@ public class CacheManager implements BroadcastInterface {
}
private void unsafeAddDevice(long deviceId) throws StorageException {
- Map<Class<? extends BaseModel>, List<Long>> links = new HashMap<>();
+ Map<Class<? extends BaseModel>, Set<Long>> links = new HashMap<>();
Device device = storage.getObject(Device.class, new Request(
new Columns.All(), new Condition.Equals("id", "id", deviceId)));
@@ -283,7 +284,7 @@ public class CacheManager implements BroadcastInterface {
while (groupDepth < GROUP_DEPTH_LIMIT && groupId > 0) {
Group group = storage.getObject(Group.class, new Request(
new Columns.All(), new Condition.Equals("id", "id", groupId)));
- links.computeIfAbsent(Group.class, k -> new LinkedList<>()).add(group.getId());
+ links.computeIfAbsent(Group.class, k -> new LinkedHashSet<>()).add(group.getId());
addObject(deviceId, group);
groupId = group.getGroupId();
groupDepth += 1;
@@ -292,13 +293,13 @@ public class CacheManager implements BroadcastInterface {
for (Class<? extends BaseModel> clazz : CLASSES) {
var objects = storage.getObjects(clazz, new Request(
new Columns.All(), new Condition.Permission(Device.class, deviceId, clazz)));
- links.put(clazz, objects.stream().map(BaseModel::getId).collect(Collectors.toList()));
+ links.put(clazz, objects.stream().map(BaseModel::getId).collect(Collectors.toSet()));
objects.forEach(object -> addObject(deviceId, object));
}
var users = storage.getObjects(User.class, new Request(
new Columns.All(), new Condition.Permission(User.class, Device.class, deviceId)));
- links.put(User.class, users.stream().map(BaseModel::getId).collect(Collectors.toList()));
+ links.put(User.class, users.stream().map(BaseModel::getId).collect(Collectors.toSet()));
for (var user : users) {
addObject(deviceId, user);
var notifications = storage.getObjects(Notification.class, new Request(
@@ -306,7 +307,7 @@ public class CacheManager implements BroadcastInterface {
notifications.stream()
.filter(Notification::getAlways)
.forEach(object -> {
- links.computeIfAbsent(Notification.class, k -> new LinkedList<>()).add(object.getId());
+ links.computeIfAbsent(Notification.class, k -> new LinkedHashSet<>()).add(object.getId());
addObject(deviceId, object);
});
}