org.apache.flink.runtime.LogMessages.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

/** Mixin to add message logging if the debug log level is activated
  *
  */
trait LogMessages extends FlinkActor {
  abstract override def receive: Receive = {
    val _receive = super.receive

    new Receive {
      override def isDefinedAt(x: Any): Boolean = _receive.isDefinedAt(x)

      override def apply(x: Any): Unit = {
        if (!log.isTraceEnabled) {
          _receive(x)
        }
        else {
          log.trace(s"Received message $x at ${context.self.path} from ${context.sender()}.")

          val start = System.nanoTime()

          _receive(x)

          val duration = (System.nanoTime() - start) / 1000000
          log.trace(s"Handled message $x in $duration ms from ${context.sender()}.")
        }
      }
    }
  }
}