org.apache.flink.runtime.FlinkActor.scala Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.flink.runtime
import _root_.akka.actor.Actor
import grizzled.slf4j.Logger
/** Base trait for Flink's actors.
*
* The message handling logic is defined in the handleMessage method. This allows to mixin
* stackable traits which change the message receiving behaviour.
*/
trait FlinkActor extends Actor {
val log: Logger
override def receive: Receive = handleMessage
/** Handle incoming messages
*
* @return
*/
def handleMessage: Receive
/** Factory method for messages. This method can be used by mixins to decorate messages
*
* @param message The message to decorate
* @return The decorated message
*/
def decorateMessage(message: Any): Any = {
message
}
}