New ComponentConfigStore that uses a ConsistentMap configured with sequential consistency
Change-Id: Ic24e6c59b1cec2b3b8ee8690cd8e4dfaec5ed476 (cherry picked from commit a4be1845)
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116 additions
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1 deletions
core/store/dist/src/main/java/org/onosproject/store/cfg/DistributedComponentConfigStore.java
0 → 100644
1 | +/* | ||
2 | + * Copyright 2016-present Open Networking Laboratory | ||
3 | + * | ||
4 | + * Licensed under the Apache License, Version 2.0 (the "License"); | ||
5 | + * you may not use this file except in compliance with the License. | ||
6 | + * You may obtain a copy of the License at | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
10 | + * Unless required by applicable law or agreed to in writing, software | ||
11 | + * distributed under the License is distributed on an "AS IS" BASIS, | ||
12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
13 | + * See the License for the specific language governing permissions and | ||
14 | + * limitations under the License. | ||
15 | + */ | ||
16 | +package org.onosproject.store.cfg; | ||
17 | + | ||
18 | +import org.apache.felix.scr.annotations.Activate; | ||
19 | +import org.apache.felix.scr.annotations.Component; | ||
20 | +import org.apache.felix.scr.annotations.Deactivate; | ||
21 | +import org.apache.felix.scr.annotations.Reference; | ||
22 | +import org.apache.felix.scr.annotations.ReferenceCardinality; | ||
23 | +import org.apache.felix.scr.annotations.Service; | ||
24 | +import org.onosproject.cfg.ComponentConfigEvent; | ||
25 | +import org.onosproject.cfg.ComponentConfigStore; | ||
26 | +import org.onosproject.cfg.ComponentConfigStoreDelegate; | ||
27 | +import org.onosproject.store.AbstractStore; | ||
28 | +import org.onosproject.store.serializers.KryoNamespaces; | ||
29 | +import org.onosproject.store.service.ConsistentMap; | ||
30 | +import org.onosproject.store.service.MapEvent; | ||
31 | +import org.onosproject.store.service.MapEventListener; | ||
32 | +import org.onosproject.store.service.Serializer; | ||
33 | +import org.onosproject.store.service.StorageService; | ||
34 | +import org.slf4j.Logger; | ||
35 | + | ||
36 | +import static org.onosproject.cfg.ComponentConfigEvent.Type.PROPERTY_SET; | ||
37 | +import static org.onosproject.cfg.ComponentConfigEvent.Type.PROPERTY_UNSET; | ||
38 | +import static org.onosproject.store.service.MapEvent.Type.INSERT; | ||
39 | +import static org.onosproject.store.service.MapEvent.Type.REMOVE; | ||
40 | +import static org.onosproject.store.service.MapEvent.Type.UPDATE; | ||
41 | +import static org.slf4j.LoggerFactory.getLogger; | ||
42 | + | ||
43 | +/** | ||
44 | + * Manages inventory of component configurations in a distributed data store | ||
45 | + * that provides strong sequential consistency guarantees. | ||
46 | + */ | ||
47 | +@Component(immediate = true, enabled = true) | ||
48 | +@Service | ||
49 | +public class DistributedComponentConfigStore | ||
50 | + extends AbstractStore<ComponentConfigEvent, ComponentConfigStoreDelegate> | ||
51 | + implements ComponentConfigStore { | ||
52 | + | ||
53 | + private static final String SEP = "#"; | ||
54 | + | ||
55 | + private final Logger log = getLogger(getClass()); | ||
56 | + | ||
57 | + private ConsistentMap<String, String> properties; | ||
58 | + | ||
59 | + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) | ||
60 | + protected StorageService storageService; | ||
61 | + | ||
62 | + InternalPropertiesListener propertiesListener = new InternalPropertiesListener(); | ||
63 | + | ||
64 | + @Activate | ||
65 | + public void activate() { | ||
66 | + properties = storageService.<String, String>consistentMapBuilder() | ||
67 | + .withName("onos-component-cfg") | ||
68 | + .withSerializer(Serializer.using(KryoNamespaces.API)) | ||
69 | + .withRelaxedReadConsistency() | ||
70 | + .build(); | ||
71 | + | ||
72 | + properties.addListener(propertiesListener); | ||
73 | + log.info("Started"); | ||
74 | + } | ||
75 | + | ||
76 | + @Deactivate | ||
77 | + public void deactivate() { | ||
78 | + properties.removeListener(propertiesListener); | ||
79 | + log.info("Stopped"); | ||
80 | + } | ||
81 | + | ||
82 | + @Override | ||
83 | + public void setProperty(String componentName, String name, String value) { | ||
84 | + properties.put(key(componentName, name), value); | ||
85 | + | ||
86 | + } | ||
87 | + | ||
88 | + @Override | ||
89 | + public void unsetProperty(String componentName, String name) { | ||
90 | + properties.remove(key(componentName, name)); | ||
91 | + } | ||
92 | + | ||
93 | + /** | ||
94 | + * Listener to component configuration properties distributed map changes. | ||
95 | + */ | ||
96 | + private final class InternalPropertiesListener | ||
97 | + implements MapEventListener<String, String> { | ||
98 | + | ||
99 | + @Override | ||
100 | + public void event(MapEvent<String, String> event) { | ||
101 | + String[] keys = event.key().split(SEP); | ||
102 | + if (event.type() == INSERT || event.type() == UPDATE) { | ||
103 | + String value = event.newValue().value(); | ||
104 | + delegate.notify(new ComponentConfigEvent(PROPERTY_SET, keys[0], keys[1], value)); | ||
105 | + } else if (event.type() == REMOVE) { | ||
106 | + delegate.notify(new ComponentConfigEvent(PROPERTY_UNSET, keys[0], keys[1], null)); | ||
107 | + } | ||
108 | + } | ||
109 | + } | ||
110 | + | ||
111 | + // Generates a key from component name and property name. | ||
112 | + private String key(String componentName, String name) { | ||
113 | + return componentName + SEP + name; | ||
114 | + } | ||
115 | +} |
... | @@ -44,7 +44,7 @@ import static org.slf4j.LoggerFactory.getLogger; | ... | @@ -44,7 +44,7 @@ import static org.slf4j.LoggerFactory.getLogger; |
44 | * Manages inventory of component configurations in a distributed data store | 44 | * Manages inventory of component configurations in a distributed data store |
45 | * that uses optimistic replication and gossip based anti-entropy techniques. | 45 | * that uses optimistic replication and gossip based anti-entropy techniques. |
46 | */ | 46 | */ |
47 | -@Component(immediate = true) | 47 | +@Component(immediate = true, enabled = false) |
48 | @Service | 48 | @Service |
49 | public class GossipComponentConfigStore | 49 | public class GossipComponentConfigStore |
50 | extends AbstractStore<ComponentConfigEvent, ComponentConfigStoreDelegate> | 50 | extends AbstractStore<ComponentConfigEvent, ComponentConfigStoreDelegate> | ... | ... |
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