| /* |
| 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.griffin.measure.sink |
| |
| import java.util.Date |
| import java.util.concurrent.TimeUnit |
| |
| import org.apache.griffin.measure.Loggable |
| |
| import scala.concurrent._ |
| import scala.concurrent.duration._ |
| import scala.util.{Failure, Success} |
| |
| /** |
| * sink task runner, to sink metrics in block or non-block mode |
| */ |
| object SinkTaskRunner extends Loggable { |
| |
| import scala.concurrent.ExecutionContext.Implicits.global |
| |
| val MAX_RETRY = 100 |
| |
| def addNonBlockTask(func: () => (Long, Future[_]), retry: Int): Unit = { |
| val r = validRetryNum(retry) |
| nonBlockExecute(func, r) |
| } |
| |
| def addBlockTask(func: () => (Long, Future[_]), retry: Int, wait: Long): Unit = { |
| val r = validRetryNum(retry) |
| val duration = if (wait >= 0) Duration(wait, TimeUnit.MILLISECONDS) else Duration.Inf |
| blockExecute(func, r, duration) |
| } |
| |
| private def nonBlockExecute(func: () => (Long, Future[_]), retry: Int): Unit = { |
| val nextRetry = nextRetryCount(retry) |
| val st = new Date().getTime |
| val (t, res) = func() |
| res.onComplete { |
| case Success(value) => { |
| val et = new Date().getTime |
| info(s"task ${t} success with (${value}) [ using time ${et - st} ms ]") |
| } |
| case Failure(e) => { |
| val et = new Date().getTime |
| warn(s"task ${t} fails [ using time ${et - st} ms ] : ${e.getMessage}") |
| if (nextRetry >= 0) { |
| info(s"task ${t} retry [ rest retry count: ${nextRetry} ]") |
| nonBlockExecute(func, nextRetry) |
| } else { |
| error(s"task fails: task ${t} retry ends but fails") |
| } |
| } |
| } |
| } |
| |
| private def blockExecute(func: () => (Long, Future[_]), retry: Int, waitDuration: Duration): Unit = { |
| val nextRetry = nextRetryCount(retry) |
| val st = new Date().getTime |
| val (t, res) = func() |
| try { |
| val value = Await.result(res, waitDuration) |
| val et = new Date().getTime |
| info(s"task ${t} success with (${value}) [ using time ${et - st} ms ]") |
| } catch { |
| case e: Throwable => { |
| val et = new Date().getTime |
| warn(s"task ${t} fails [ using time ${et - st} ms ] : ${e.getMessage}") |
| if (nextRetry >= 0) { |
| info(s"task ${t} retry [ rest retry count: ${nextRetry} ]") |
| blockExecute(func, nextRetry, waitDuration) |
| } else { |
| error(s"task fails: task ${t} retry ends but fails") |
| } |
| } |
| } |
| } |
| |
| private def validRetryNum(retry: Int): Int = { |
| if (retry > MAX_RETRY) MAX_RETRY else retry |
| } |
| private def nextRetryCount(retry: Int): Int = { |
| if (retry >= 0) retry - 1 else -1 |
| } |
| |
| } |