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ConnectionPersistenceStreamingActorCreator.java
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ConnectionPersistenceStreamingActorCreator.java
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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.api.ConnectionTag;
import org.eclipse.ditto.connectivity.model.ConnectionId;
import org.eclipse.ditto.internal.models.streaming.EntityIdWithRevision;
import org.eclipse.ditto.internal.utils.persistence.mongo.DefaultPersistenceStreamingActor;
import org.eclipse.ditto.internal.utils.persistence.mongo.streaming.PidWithSeqNr;
import org.apache.pekko.actor.Props;
/**
* Creates an actor which streams information about persisted connections.
*/
public final class ConnectionPersistenceStreamingActorCreator {
/**
* The name of the created Actor in the ActorSystem.
*/
public static final String ACTOR_NAME = "persistenceStreamingActor";
private ConnectionPersistenceStreamingActorCreator() {
throw new AssertionError();
}
/**
* Creates Pekko configuration object Props for this PersistenceQueriesActor.
*
* @return the Pekko configuration Props object.
*/
public static Props props() {
return DefaultPersistenceStreamingActor.props(ConnectionTag.class,
ConnectionPersistenceStreamingActorCreator::createElement,
ConnectionPersistenceStreamingActorCreator::createPidWithSeqNr);
}
private static ConnectionTag createElement(final PidWithSeqNr pidWithSeqNr) {
final String id = pidWithSeqNr.getPersistenceId()
.replaceFirst(ConnectionPersistenceActor.PERSISTENCE_ID_PREFIX, "");
return ConnectionTag.of(ConnectionId.of(id), pidWithSeqNr.getSequenceNr());
}
private static PidWithSeqNr createPidWithSeqNr(final EntityIdWithRevision<?> connectionTag) {
return new PidWithSeqNr(ConnectionPersistenceActor.PERSISTENCE_ID_PREFIX + connectionTag.getEntityId(),
connectionTag.getRevision());
}
}