10110346 closed pull request #23295: [MINOR][SQL]Change
`ThreadLocal.withInitial` to Scala lambda syntax
URL: https://github.com/apache/spark/pull/23295
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diff --git
a/sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala
b/sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala
index fbda0d87a175f..30c46975877f2 100644
---
a/sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala
+++
b/sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala
@@ -19,7 +19,6 @@ package org.apache.spark.sql.execution
import java.io.Writer
import java.util.Locale
-import java.util.function.Supplier
import scala.collection.mutable
import scala.util.control.NonFatal
@@ -557,9 +556,7 @@ object WholeStageCodegenId {
// is created, e.g. for special fallback handling when an existing
WholeStageCodegenExec
// failed to generate/compile code.
- private val codegenStageCounter = ThreadLocal.withInitial(new
Supplier[Integer] {
- override def get() = 1 // TODO: change to Scala lambda syntax when
upgraded to Scala 2.12+
- })
+ private val codegenStageCounter = ThreadLocal.withInitial[Int](() => 1)
def resetPerQuery(): Unit = codegenStageCounter.set(1)
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