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[SPARK-56491][CORE] Add ReadOnlySparkConf.getAllAsJavaMap #55352

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[SPARK-56491][CORE] Add ReadOnlySparkConf.getAllAsJavaMap #55352

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3 changes: 3 additions & 0 deletions core/src/main/scala/org/apache/spark/SparkConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,9 @@ trait ReadOnlySparkConf {
/** Get all parameters as a list of pairs */
def getAll: Array[(String, String)]

/** Get all parameters as a Java-friendly map */
def getAllAsJavaMap: JMap[String, String] = getAll.toMap.asJava

/**
* Get a parameter as an integer, falling back to a default if not set
*
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12 changes: 12 additions & 0 deletions core/src/test/scala/org/apache/spark/SparkConfSuite.scala
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Expand Up @@ -112,6 +112,18 @@ class SparkConfSuite extends SparkFunSuite with LocalSparkContext with ResetSyst
assert(conf.getOption("k4") === None)
}

test("getAllAsJavaMap") {
val conf = new SparkConf(false)
assert(conf.getAllAsJavaMap.isEmpty)
conf.set("k1", "v1")
conf.setAll(Seq(("k2", "v2"), ("k3", "v3")))
val javaMap = conf.getAllAsJavaMap
assert(javaMap.size() === 3)
assert(javaMap.get("k1") === "v1")
assert(javaMap.get("k2") === "v2")
assert(javaMap.get("k3") === "v3")
}

test("basic getAllWithPrefix") {
val prefix = "spark.prefix."
val conf = new SparkConf(false)
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