-
Notifications
You must be signed in to change notification settings - Fork 214
/
SearchRootActor.java
143 lines (119 loc) · 7.07 KB
/
SearchRootActor.java
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.thingsearch.service.starter.actors;
import static org.eclipse.ditto.thingsearch.service.persistence.PersistenceConstants.BACKGROUND_SYNC_COLLECTION_NAME;
import org.eclipse.ditto.base.service.RootChildActorStarter;
import org.eclipse.ditto.base.service.actors.DittoRootActor;
import org.eclipse.ditto.internal.utils.pekko.streaming.TimestampPersistence;
import org.eclipse.ditto.internal.utils.cluster.DistPubSubAccess;
import org.eclipse.ditto.internal.utils.config.ScopedConfig;
import org.eclipse.ditto.internal.utils.persistence.mongo.DittoMongoClient;
import org.eclipse.ditto.internal.utils.persistence.mongo.streaming.MongoTimestampPersistence;
import org.eclipse.ditto.rql.query.QueryBuilderFactory;
import org.eclipse.ditto.rql.query.expression.ThingsFieldExpressionFactory;
import org.eclipse.ditto.thingsearch.api.ThingsSearchConstants;
import org.eclipse.ditto.thingsearch.service.common.config.SearchConfig;
import org.eclipse.ditto.thingsearch.service.persistence.query.QueryParser;
import org.eclipse.ditto.thingsearch.service.persistence.query.validation.QueryCriteriaValidator;
import org.eclipse.ditto.thingsearch.service.persistence.read.MongoThingsSearchPersistence;
import org.eclipse.ditto.thingsearch.service.persistence.read.ThingsSearchPersistence;
import org.eclipse.ditto.thingsearch.service.persistence.read.query.MongoQueryBuilderFactory;
import org.eclipse.ditto.thingsearch.service.updater.actors.SearchUpdaterRootActor;
import org.apache.pekko.actor.ActorRef;
import org.apache.pekko.actor.ActorSystem;
import org.apache.pekko.actor.Props;
import org.apache.pekko.event.Logging;
import org.apache.pekko.event.LoggingAdapter;
import org.apache.pekko.stream.SystemMaterializer;
/**
* Our "Parent" Actor which takes care of supervision of all other Actors in our system.
*/
public final class SearchRootActor extends DittoRootActor {
/**
* The name of this Actor in the ActorSystem.
*/
public static final String ACTOR_NAME = ThingsSearchConstants.ROOT_ACTOR_NAME;
private final LoggingAdapter log;
@SuppressWarnings("unused")
private SearchRootActor(final SearchConfig searchConfig, final ActorRef pubSubMediator) {
final var actorSystem = getContext().getSystem();
log = Logging.getLogger(actorSystem, this);
final var mongoDbConfig = searchConfig.getMongoDbConfig();
final var monitoringConfig = mongoDbConfig.getMonitoringConfig();
final DittoMongoClient mongoDbClient = MongoClientExtension.get(actorSystem).getSearchClient();
RootChildActorStarter.get(actorSystem, ScopedConfig.dittoExtension(actorSystem.settings().config()))
.execute(getContext());
final var thingsSearchPersistence =
getThingsSearchPersistence(searchConfig, mongoDbClient);
final ActorRef searchActor = initializeSearchActor(searchConfig, thingsSearchPersistence, pubSubMediator);
pubSubMediator.tell(DistPubSubAccess.put(searchActor), getSelf());
final TimestampPersistence backgroundSyncPersistence =
MongoTimestampPersistence.initializedInstance(BACKGROUND_SYNC_COLLECTION_NAME, mongoDbClient,
SystemMaterializer.get(actorSystem).materializer());
final ActorRef searchUpdaterRootActor = startChildActor(SearchUpdaterRootActor.ACTOR_NAME,
SearchUpdaterRootActor.props(searchConfig, pubSubMediator, thingsSearchPersistence,
backgroundSyncPersistence));
final ActorRef healthCheckingActor = initializeHealthCheckActor(searchConfig, searchUpdaterRootActor);
bindHttpStatusRoute(searchConfig.getHttpConfig(), healthCheckingActor);
}
static QueryParser getQueryParser(final SearchConfig searchConfig, final ActorSystem actorSystem) {
final var limitsConfig = searchConfig.getLimitsConfig();
final var fieldExpressionFactory = getThingsFieldExpressionFactory(searchConfig);
final QueryBuilderFactory queryBuilderFactory = new MongoQueryBuilderFactory(limitsConfig);
final var queryCriteriaValidator =
QueryCriteriaValidator.get(actorSystem, ScopedConfig.dittoExtension(actorSystem.settings().config()));
return QueryParser.of(fieldExpressionFactory, queryBuilderFactory, queryCriteriaValidator);
}
private MongoThingsSearchPersistence getThingsSearchPersistence(final SearchConfig searchConfig,
final DittoMongoClient mongoDbClient) {
final ActorContext context = getContext();
final var persistenceConfig = searchConfig.getQueryPersistenceConfig();
final var persistence = new MongoThingsSearchPersistence(mongoDbClient, context.getSystem(), persistenceConfig);
final var indexInitializationConfig = searchConfig.getIndexInitializationConfig();
if (indexInitializationConfig.isIndexInitializationConfigEnabled()) {
persistence.initializeIndices();
} else {
log.info("Skipping IndexInitializer because it is disabled.");
}
return searchConfig.getMongoHintsByNamespace()
.map(mongoHintsByNamespace -> {
log.info("Applying MongoDB hints <{}>.", mongoHintsByNamespace);
return persistence.withHintsByNamespace(mongoHintsByNamespace);
})
.orElse(persistence);
}
private ActorRef initializeHealthCheckActor(final SearchConfig searchConfig,
final ActorRef searchUpdaterRootActor) {
return startChildActor(SearchHealthCheckingActorFactory.ACTOR_NAME,
SearchHealthCheckingActorFactory.props(searchConfig, searchUpdaterRootActor));
}
/**
* Creates Pekko configuration object Props for this SearchRootActor.
*
* @param searchConfig the configuration settings of this service.
* @param pubSubMediator the PubSub mediator Actor.
* @return the Pekko configuration Props object.
*/
public static Props props(final SearchConfig searchConfig, final ActorRef pubSubMediator) {
return Props.create(SearchRootActor.class, searchConfig, pubSubMediator);
}
private static ThingsFieldExpressionFactory getThingsFieldExpressionFactory(final SearchConfig searchConfig) {
return ThingsFieldExpressionFactory.of(searchConfig.getSimpleFieldMappings());
}
private ActorRef initializeSearchActor(final SearchConfig searchConfig,
final ThingsSearchPersistence thingsSearchPersistence, final ActorRef pubSubMediator) {
final var queryParser = getQueryParser(searchConfig, getContext().getSystem());
final var props = SearchActor.props(queryParser, thingsSearchPersistence, pubSubMediator);
return startChildActor(SearchActor.ACTOR_NAME, props);
}
}