org.eclipse.ditto.connectivity.service.messaging.persistence.ConnectionPersistenceOperationsActor Maven / Gradle / Ivy

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Eclipse Ditto is a framework for creating and managing digital twins in the IoT.
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/*
 * 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.connectivity.service.messaging.persistence;

import org.eclipse.ditto.connectivity.model.ConnectivityConstants;
import org.eclipse.ditto.internal.utils.persistence.mongo.MongoClientWrapper;
import org.eclipse.ditto.internal.utils.persistence.mongo.config.MongoDbConfig;
import org.eclipse.ditto.internal.utils.persistence.mongo.ops.eventsource.MongoEntitiesPersistenceOperations;
import org.eclipse.ditto.internal.utils.persistence.mongo.ops.eventsource.MongoEventSourceSettings;
import org.eclipse.ditto.internal.utils.persistence.operations.AbstractPersistenceOperationsActor;
import org.eclipse.ditto.internal.utils.persistence.operations.EntityPersistenceOperations;
import org.eclipse.ditto.internal.utils.persistence.operations.PersistenceOperationsConfig;

import com.mongodb.reactivestreams.client.MongoDatabase;
import com.typesafe.config.Config;

import akka.actor.ActorRef;
import akka.actor.Props;

/**
 * Ops for the event-sourcing persistence of things.
 */
public final class ConnectionPersistenceOperationsActor extends AbstractPersistenceOperationsActor {

    public static final String ACTOR_NAME = "connectionOps";

    private ConnectionPersistenceOperationsActor(final ActorRef pubSubMediator,
            final EntityPersistenceOperations entitiesOps,
            final MongoClientWrapper mongoClientWrapper,
            final PersistenceOperationsConfig persistenceOperationsConfig) {

        super(pubSubMediator,
                ConnectivityConstants.ENTITY_TYPE,
                null,
                entitiesOps,
                persistenceOperationsConfig,
                mongoClientWrapper);
    }

    /**
     * Create Props of this actor.
     *
     * @param pubSubMediator Akka pub-sub mediator.
     * @param mongoDbConfig the MongoDB configuration settings.
     * @param config configuration with info about event journal, snapshot store and database.
     * @param persistenceOperationsConfig the persistence operations configuration settings.
     * @return a Props object.
     */
    public static Props props(final ActorRef pubSubMediator,
            final MongoDbConfig mongoDbConfig,
            final Config config,
            final PersistenceOperationsConfig persistenceOperationsConfig) {

        return Props.create(ConnectionPersistenceOperationsActor.class, () -> {
            final MongoEventSourceSettings eventSourceSettings =
                    MongoEventSourceSettings.fromConfig(config, ConnectionPersistenceActor.PERSISTENCE_ID_PREFIX,
                            false, ConnectionPersistenceActor.JOURNAL_PLUGIN_ID,
                            ConnectionPersistenceActor.SNAPSHOT_PLUGIN_ID);

            final MongoClientWrapper mongoClient = MongoClientWrapper.newInstance(mongoDbConfig);
            final MongoDatabase db = mongoClient.getDefaultDatabase();

            final EntityPersistenceOperations entitiesOps =
                    MongoEntitiesPersistenceOperations.of(db, eventSourceSettings);

            return new ConnectionPersistenceOperationsActor(pubSubMediator, entitiesOps, mongoClient,
                    persistenceOperationsConfig);
        });
    }

    @Override
    public String getActorName() {
        return ACTOR_NAME;
    }

}