blob: 8d5a1001756eebec9157bfc7eb310ef0e364decf (
plain)
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
|
/*
* Copyright 2015 Open Networking Laboratory
*
* 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.onosproject.store.resource.impl;
import com.google.common.annotations.Beta;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.felix.scr.annotations.Service;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.intent.IntentId;
import org.onosproject.net.resource.device.IntentSetMultimap;
import org.onosproject.store.serializers.KryoNamespaces;
import org.onosproject.store.service.ConsistentMap;
import org.onosproject.store.service.Serializer;
import org.onosproject.store.service.StorageService;
import org.onosproject.store.service.Versioned;
import org.slf4j.Logger;
import java.util.HashSet;
import java.util.Set;
import static org.slf4j.LoggerFactory.getLogger;
/**
* A collection that maps Intent IDs as keys to values as Intent IDs,
* where each key may associated with multiple values without duplication.
*/
@Component(immediate = true, enabled = true)
@Service
@Beta
public class ConsistentIntentSetMultimap implements IntentSetMultimap {
private final Logger log = getLogger(getClass());
private static final String INTENT_MAPPING = "IntentMapping";
private static final Serializer SERIALIZER = Serializer.using(KryoNamespaces.API);
private ConsistentMap<IntentId, Set<IntentId>> intentMapping;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected StorageService storageService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DeviceService deviceService;
@Activate
public void activate() {
intentMapping = storageService.<IntentId, Set<IntentId>>consistentMapBuilder()
.withName(INTENT_MAPPING)
.withSerializer(SERIALIZER)
.build();
log.info("Started");
}
@Deactivate
public void deactivate() {
log.info("Stopped");
}
@Override
public Set<IntentId> getMapping(IntentId intentId) {
Versioned<Set<IntentId>> result = intentMapping.get(intentId);
if (result != null) {
return result.value();
}
return null;
}
@Override
public boolean allocateMapping(IntentId keyIntentId, IntentId valIntentId) {
Versioned<Set<IntentId>> versionedIntents = intentMapping.get(keyIntentId);
if (versionedIntents == null) {
Set<IntentId> newSet = new HashSet<>();
newSet.add(valIntentId);
intentMapping.put(keyIntentId, newSet);
} else {
versionedIntents.value().add(valIntentId);
}
return true;
}
@Override
public void releaseMapping(IntentId intentId) {
for (IntentId intent : intentMapping.keySet()) {
// TODO: optimize by checking for identical src & dst
Set<IntentId> mapping = intentMapping.get(intent).value();
if (mapping.remove(intentId)) {
return;
}
}
}
}
|
