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MockEntitiesActor.java
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MockEntitiesActor.java
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/*
* Copyright (c) 2022 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.policies.enforcement;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import org.eclipse.ditto.base.model.signals.Signal;
import org.eclipse.ditto.base.model.signals.WithResource;
import org.eclipse.ditto.internal.utils.akka.logging.DittoLoggerFactory;
import akka.actor.AbstractActor;
import akka.actor.Props;
import akka.event.LoggingAdapter;
import akka.japi.pf.ReceiveBuilder;
/**
* Mock entity shard region actor that delivers one canned response per resource type.
*/
public final class MockEntitiesActor extends AbstractActor {
public static final NoReply NO_REPLY = new NoReply();
private final Map<String, Function<Signal, Object>> handlers = new ConcurrentHashMap<>();
public static Props props() {
return Props.create(MockEntitiesActor.class);
}
final LoggingAdapter log = DittoLoggerFactory.getDiagnosticLoggingAdapter(this);
@Override
public Receive createReceive() {
return ReceiveBuilder.create()
.match(Signal.class, signal -> {
log.info("Got signal <{}>", signal);
getSender().tell(getReply(signal), getSelf());
})
.matchAny(message -> {
log.info("Got non-signal <{}>", message);
getSender().tell(NO_REPLY, getSelf());
})
.build();
}
public MockEntitiesActor setReply(final WithResource withResource) {
return setReply(withResource.getResourceType(), withResource);
}
public MockEntitiesActor setReply(final String resourceType, final Object reply) {
handlers.put(resourceType, signal -> reply);
return this;
}
public MockEntitiesActor setHandler(final String resourceType, final Function<Signal, Object> handler) {
handlers.put(resourceType, handler);
return this;
}
private Object getReply(final Signal signal) {
return handlers.getOrDefault(signal.getType(),
handlers.getOrDefault(signal.getResourceType(),
sameSignal -> NO_REPLY))
.apply(signal);
}
public static final class NoReply {}
}