| /* |
| * 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 scala.concurrent._ |
| import scala.concurrent.duration._ |
| import scala.util.{Failure, Success} |
| |
| import org.apache.griffin.measure.Loggable |
| |
| /** |
| * 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", e) |
| } |
| } |
| } |
| |
| @scala.annotation.tailrec |
| 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", e) |
| } |
| } |
| } |
| |
| 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 |
| } |
| |
| } |