LuciferYang commented on code in PR #39487:
URL: https://github.com/apache/spark/pull/39487#discussion_r1067650529
##########
core/src/main/scala/org/apache/spark/status/protobuf/KVStoreProtobufSerializer.scala:
##########
@@ -40,10 +41,16 @@ private[spark] class KVStoreProtobufSerializer extends
KVStoreScalaSerializer {
private[spark] object KVStoreProtobufSerializer {
- private[this] lazy val serializerMap: Map[Class[_], ProtobufSerDe] =
- ServiceLoader.load(classOf[ProtobufSerDe])
- .asScala.map(serDe => serDe.supportClass -> serDe).toMap
+ private[this] lazy val serializerMap: Map[Class[_], ProtobufSerDe[Any]] = {
+ def getGenericsType(klass: Class[_]): Class[_] = {
+ klass.getGenericInterfaces.head.asInstanceOf[ParameterizedType]
+ .getActualTypeArguments.head.asInstanceOf[Class[_]]
Review Comment:
The result of
```
klass.getGenericInterfaces.head.asInstanceOf[ParameterizedType]
.getActualTypeArguments.head.asInstanceOf[Class[_]]
```
are
```
class org.apache.spark.status.RDDStorageInfoWrapper
class org.apache.spark.status.ApplicationInfoWrapper
class org.apache.spark.status.ApplicationEnvironmentInfoWrapper
class org.apache.spark.status.CachedQuantile
class org.apache.spark.status.ExecutorStageSummaryWrapper
class org.apache.spark.status.StreamBlockData
class org.apache.spark.status.TaskDataWrapper
class org.apache.spark.status.JobDataWrapper
class org.apache.spark.status.ResourceProfileWrapper
class org.apache.spark.status.SpeculationStageSummaryWrapper
class org.apache.spark.status.ExecutorSummaryWrapper
class org.apache.spark.status.ProcessSummaryWrapper
class org.apache.spark.status.RDDOperationGraphWrapper
class org.apache.spark.status.StageDataWrapper
```
This is what we need(serializerMap key)
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