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110
scio-core/src/main/scala/com/spotify/scio/coders/instances/kryo/ThrowableSerializer.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /* | ||
| * Copyright 2024 Spotify AB | ||
| * | ||
| * 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.spotify.scio.coders.instances.kryo | ||
|
|
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| import com.esotericsoftware.kryo.KryoException | ||
| import com.google.api.gax.rpc.{ApiException, ApiExceptionFactory, StatusCode} | ||
| import com.twitter.chill.{Input, KSerializer, Kryo, Output} | ||
| import io.grpc.{Status, StatusException, StatusRuntimeException} | ||
|
|
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| import java.io.{InputStream, ObjectInputStream, ObjectOutputStream, OutputStream} | ||
|
|
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| /** | ||
| * Java based serialization for `Throwable`. This uses replace/resolve for throwable that do not | ||
| * respect the Serializable interface: | ||
| * - io.grpc.StatusException | ||
| * - io.grpc.StatusRuntimeException | ||
| * - com.google.api.gax.rpc.ApiException | ||
| */ | ||
| private object ThrowableSerializer { | ||
| final private case class SerializableStatusException( | ||
| code: Status.Code, | ||
| desc: String, | ||
| cause: Throwable | ||
| ) | ||
| final private case class SerializableStatusRuntimeException( | ||
| code: Status.Code, | ||
| desc: String, | ||
| cause: Throwable | ||
| ) | ||
| final private case class SerializableApiException( | ||
| message: String, | ||
| code: StatusCode.Code, | ||
| retryable: Boolean, | ||
| cause: Throwable | ||
| ) | ||
|
|
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| final class ThrowableObjectOutputStream(out: OutputStream) extends ObjectOutputStream(out) { | ||
| enableReplaceObject(true) | ||
| override def replaceObject(obj: AnyRef): AnyRef = obj match { | ||
| case e: StatusException => | ||
| SerializableStatusException( | ||
| e.getStatus.getCode, | ||
| e.getStatus.getDescription, | ||
| e.getStatus.getCause | ||
| ) | ||
| case e: StatusRuntimeException => | ||
| SerializableStatusRuntimeException( | ||
| e.getStatus.getCode, | ||
| e.getStatus.getDescription, | ||
| e.getStatus.getCause | ||
| ) | ||
| case e: ApiException => | ||
| SerializableApiException(e.getMessage, e.getStatusCode.getCode, e.isRetryable, e.getCause) | ||
| case _ => obj | ||
| } | ||
| } | ||
|
|
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| final class ThrowableObjectInputStream(in: InputStream) extends ObjectInputStream(in) { | ||
| enableResolveObject(true) | ||
| override def resolveObject(obj: AnyRef): AnyRef = obj match { | ||
| case SerializableStatusException(code, desc, cause) => | ||
| new StatusException(Status.fromCode(code).withDescription(desc).withCause(cause)) | ||
| case SerializableStatusRuntimeException(code, desc, cause) => | ||
| new StatusRuntimeException(Status.fromCode(code).withDescription(desc).withCause(cause)) | ||
| case SerializableApiException(message, code, retryable, cause) => | ||
| // generic status code. we lost transport information during serialization | ||
| val c = new StatusCode() { | ||
| override def getCode: StatusCode.Code = code | ||
| override def getTransportCode: AnyRef = null | ||
| } | ||
| ApiExceptionFactory.createException(message, cause, c, retryable) | ||
| case _ => obj | ||
| } | ||
| } | ||
| } | ||
|
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| final private[coders] class ThrowableSerializer extends KSerializer[Throwable] { | ||
| import ThrowableSerializer._ | ||
| override def write(kryo: Kryo, out: Output, obj: Throwable): Unit = { | ||
| try { | ||
| val objectStream = new ThrowableObjectOutputStream(out) | ||
| objectStream.writeObject(obj) | ||
| objectStream.flush() | ||
| } catch { | ||
| case e: Exception => throw new KryoException("Error during Java serialization.", e) | ||
| } | ||
| } | ||
|
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| override def read(kryo: Kryo, input: Input, `type`: Class[Throwable]): Throwable = | ||
| try { | ||
| val objectStream = new ThrowableObjectInputStream(input) | ||
| objectStream.readObject.asInstanceOf[Throwable] | ||
| } catch { | ||
| case e: Exception => throw new KryoException("Error during Java deserialization.", e) | ||
| } | ||
| } |
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