1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright 2023 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.broadcast;
import java.util.HashSet;
import java.util.Set;
import org.traccar.model.BaseModel;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.ObjectOperation;
import org.traccar.model.Permission;
import org.traccar.model.Position;
public abstract class BaseBroadcastService implements BroadcastService {
private final Set<BroadcastInterface> listeners = new HashSet<>();
@Override
public boolean singleInstance() {
return true;
}
@Override
public void registerListener(BroadcastInterface listener) {
listeners.add(listener);
}
@Override
public void updateDevice(boolean local, Device device) {
BroadcastMessage message = new BroadcastMessage();
message.setDevice(device);
sendMessage(message);
}
@Override
public void updatePosition(boolean local, Position position) {
BroadcastMessage message = new BroadcastMessage();
message.setPosition(position);
sendMessage(message);
}
@Override
public void updateEvent(boolean local, long userId, Event event) {
BroadcastMessage message = new BroadcastMessage();
message.setUserId(userId);
message.setEvent(event);
sendMessage(message);
}
@Override
public void updateCommand(boolean local, long deviceId) {
BroadcastMessage message = new BroadcastMessage();
message.setCommandDeviceId(deviceId);
sendMessage(message);
}
@Override
public <T extends BaseModel> void invalidateObject(
boolean local, Class<T> clazz, long id, ObjectOperation operation) {
BroadcastMessage message = new BroadcastMessage();
var invalidateObject = new BroadcastMessage.InvalidateObject();
invalidateObject.setClazz(Permission.getKey(clazz));
invalidateObject.setId(id);
invalidateObject.setOperation(operation);
message.setInvalidateObject(invalidateObject);
sendMessage(message);
}
@Override
public synchronized <T1 extends BaseModel, T2 extends BaseModel> void invalidatePermission(
boolean local, Class<T1> clazz1, long id1, Class<T2> clazz2, long id2, boolean link) {
BroadcastMessage message = new BroadcastMessage();
var invalidatePermission = new BroadcastMessage.InvalidatePermission();
invalidatePermission.setClazz1(Permission.getKey(clazz1));
invalidatePermission.setId1(id1);
invalidatePermission.setClazz2(Permission.getKey(clazz2));
invalidatePermission.setId2(id2);
invalidatePermission.setLink(link);
message.setInvalidatePermission(invalidatePermission);
sendMessage(message);
}
protected abstract void sendMessage(BroadcastMessage message);
protected void handleMessage(BroadcastMessage message) throws Exception {
if (message.getDevice() != null) {
listeners.forEach(listener -> listener.updateDevice(false, message.getDevice()));
} else if (message.getPosition() != null) {
listeners.forEach(listener -> listener.updatePosition(false, message.getPosition()));
} else if (message.getUserId() != null && message.getEvent() != null) {
listeners.forEach(listener -> listener.updateEvent(false, message.getUserId(), message.getEvent()));
} else if (message.getCommandDeviceId() != null) {
listeners.forEach(listener -> listener.updateCommand(false, message.getCommandDeviceId()));
} else if (message.getInvalidateObject() != null) {
var invalidateObject = message.getInvalidateObject();
for (BroadcastInterface listener : listeners) {
listener.invalidateObject(
false,
Permission.getKeyClass(invalidateObject.getClazz()), invalidateObject.getId(),
invalidateObject.getOperation());
}
} else if (message.getInvalidatePermission() != null) {
var invalidatePermission = message.getInvalidatePermission();
for (BroadcastInterface listener : listeners) {
listener.invalidatePermission(
false,
Permission.getKeyClass(invalidatePermission.getClazz1()), invalidatePermission.getId1(),
Permission.getKeyClass(invalidatePermission.getClazz2()), invalidatePermission.getId2(),
invalidatePermission.getLink());
}
}
}
}
|
