bogao007 commented on code in PR #40895:
URL: https://github.com/apache/spark/pull/40895#discussion_r1173336296
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connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/streaming/progress.scala:
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@@ -17,6 +17,265 @@
package org.apache.spark.sql.streaming
+import java.{util => ju}
+import java.lang.{Long => JLong}
+import java.util.UUID
+
+import scala.collection.JavaConverters._
+import scala.util.control.NonFatal
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.scala.DefaultScalaModule
+import org.json4s._
+import org.json4s.JsonAST.JValue
+import org.json4s.JsonDSL._
+import org.json4s.jackson.JsonMethods._
+
+import org.apache.spark.annotation.Evolving
+import org.apache.spark.sql.streaming.SafeJsonSerializer.{safeDoubleToJValue,
safeMapToJValue}
+import org.apache.spark.sql.streaming.SinkProgress.DEFAULT_NUM_OUTPUT_ROWS
+
+/**
+ * Information about progress made in the execution of a [[StreamingQuery]]
during
+ * a trigger.
+ * @param json A json string that contains entire streaming query progress.
+ */
+@Evolving
class StreamingQueryProgress private[sql] (val json: String) {
- // TODO(SPARK-43128): (Implement full object by parsing from json).
+ private val jsonMapper = new
ObjectMapper().registerModule(DefaultScalaModule)
+
+ /** Deserialize streaming query progress json string to
[[LegacyStreamingQueryProgress]] */
+ def fromJson(): LegacyStreamingQueryProgress = {
+ jsonMapper.readValue(json, classOf[LegacyStreamingQueryProgress])
+ }
+}
+
+/**
+ * Information about updates made to stateful operators in a
[[StreamingQuery]] during a trigger.
+ */
+@Evolving
+class StateOperatorProgress private[spark](
Review Comment:
Mostly copied from `org.apache.spark.sql.streaming.progress.scala`, did some
small adjustment.
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