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DefaultHealthCheckingActorFactory.java
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DefaultHealthCheckingActorFactory.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.internal.utils.health;
import java.util.LinkedHashMap;
import javax.annotation.Nullable;
import org.apache.pekko.actor.Props;
/**
* Provides an actor for checking and caching the health of a ditto service.
*/
public final class DefaultHealthCheckingActorFactory {
private DefaultHealthCheckingActorFactory() {
throw new AssertionError();
}
/**
* The actor name of the Actor to be created in the ActorSystem.
*/
public static final String ACTOR_NAME = AbstractHealthCheckingActor.ACTOR_NAME;
private static final String PERSISTENCE_LABEL = "persistence";
/**
* Creates Pekko configuration object Props for a health checking actor.
*
* @param options the options to configure this actor.
* @param persistenceCheckerProps props to create persistence health checkers.
* @param otherProps props of other child actors.
* @return the Pekko configuration Props object.
*/
public static Props props(final HealthCheckingActorOptions options, @Nullable final Props persistenceCheckerProps,
final Props... otherProps) {
final LinkedHashMap<String, Props> childActorProps = new LinkedHashMap<>();
if (options.isPersistenceCheckEnabled() && persistenceCheckerProps != null) {
childActorProps.put(PERSISTENCE_LABEL, persistenceCheckerProps);
}
for (final Props props : otherProps) {
childActorProps.put(props.actorClass().getSimpleName(), props);
}
return CompositeCachingHealthCheckingActor.props(childActorProps, options.getInterval(),
options.isHealthCheckEnabled());
}
}