monix.execution.exceptions.CompositeException.scala Maven / Gradle / Ivy
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/*
* Copyright (c) 2014-2019 by The Monix Project Developers.
* See the project homepage at: https://monix.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 monix.execution.exceptions
import scala.runtime.AbstractFunction1
/**
* A composite exception represents a list of exceptions
* that were caught while delaying errors.
*/
final class CompositeException(val errors: Seq[Throwable]) extends RuntimeException() with Serializable {
override def toString: String = {
getClass.getName + (if (errors.isEmpty) ""
else {
val (first, last) = errors.splitAt(2)
val str = first.map(_.getClass.getName).mkString(", ")
val reasons = if (last.nonEmpty) str + "..." else str
"(" + reasons + ")"
})
}
}
object CompositeException extends AbstractFunction1[Seq[Throwable], CompositeException] {
/** Builder for [[CompositeException]]. */
def apply(errors: Seq[Throwable]): CompositeException =
new CompositeException(errors.toList)
/** For pattern matching [[CompositeException]] references. */
def unapply(ref: CompositeException): Option[List[Throwable]] =
Some(ref.errors.toList)
}