com.datamountaineer.streamreactor.common.concurrent.ExecutorExtension.scala Maven / Gradle / Ivy

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/*
 *
 *  * Copyright 2020 Lenses.io.
 *  *
 *  * 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 com.datamountaineer.streamreactor.common.concurrent

import java.util.concurrent.Executor

import scala.concurrent.{Future, Promise}

object ExecutorExtension {

  implicit class RunnableWrapper(val executor: Executor) extends AnyVal {
    def submit[T](thunk: => T): Future[T] = {
      val promise = Promise[T]()
      executor.execute(() => {
        try {
          val t = thunk
          promise.success(t)
        } catch {
          case t: Throwable => promise.failure(t)
        }
      })
      promise.future
    }
  }

}