io.mantisrx.master.akka.UnboundedMeteredMailbox Maven / Gradle / Ivy
/*
* Copyright 2019 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.mantisrx.master.akka;
import akka.actor.ActorPath;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.dispatch.MailboxType;
import akka.dispatch.MessageQueue;
import akka.dispatch.ProducesMessageQueue;
import com.typesafe.config.Config;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import scala.Option;
/**
* A simple unbounded metered mail box.
*/
public class UnboundedMeteredMailbox implements MailboxType, ProducesMessageQueue {
private final ActorSystem.Settings settings;
private final Config config;
private static final Logger LOGGER = LoggerFactory.getLogger(UnboundedMeteredMailbox.class);
/**
* Creates an instance of this class.
* @param settings
* @param config
*/
public UnboundedMeteredMailbox(final ActorSystem.Settings settings, final Config config) {
this.settings = settings;
this.config = config;
}
/**
* Creates an instance of a {@link MessageQueue}.
* @param owner
* @param system
* @return
*/
public MessageQueue create(final Option owner, final Option system) {
String path = owner.fold(() -> "unknown", r -> tagValue(r.path()));
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("created message queue for {}", path);
}
return new MeteredMessageQueue(path);
}
/** Summarizes a path for use in a metric tag. */
private String tagValue(ActorPath path) {
return path.name();
}
}