com.datamountaineer.streamreactor.connect.concurrent.ExecutorExtension.scala Maven / Gradle / Ivy
/**
* Copyright 2016 Datamountaineer.
*
* 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.connect.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(new Runnable {
override def run(): Unit = {
try {
val t = thunk
promise.success(t)
} catch {
case t: Throwable => promise.failure(t)
}
}
})
promise.future
}
}
}