zio.FiberFailure.scala Maven / Gradle / Ivy
/*
* Copyright 2017-2024 John A. De Goes and the ZIO Contributors
*
* 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 zio
import zio.stacktracer.TracingImplicits.disableAutoTrace
/**
* Represents a failure in a fiber. This could be caused by some non-
* recoverable error, such as a defect or system error, by some typed error, or
* by interruption (or combinations of all of the above).
*
* This class is used to wrap ZIO failures into something that can be thrown, to
* better integrate with Scala exception handling.
*/
final case class FiberFailure(cause: Cause[Any]) extends Throwable(null, null, true, false) {
override def getMessage: String = cause.unified.headOption.fold("")(_.message)
override def getStackTrace(): Array[StackTraceElement] =
cause.unified.headOption.fold[Chunk[StackTraceElement]](Chunk.empty)(_.trace).toArray
override def getCause(): Throwable =
cause.find { case Cause.Die(throwable, _) => throwable }
.orElse(cause.find { case Cause.Fail(value: Throwable, _) => value })
.orNull
def fillSuppressed()(implicit unsafe: Unsafe): Unit =
if (getSuppressed().length == 0) {
cause.unified.iterator.drop(1).foreach(unified => addSuppressed(unified.toThrowable))
}
override def toString =
cause.prettyPrint
}