Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2328#discussion_r194651326
--- Diff:
integration/spark2/src/main/scala/org/apache/carbondata/stream/StreamJobManager.scala
---
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.carbondata.stream
+
+import java.util.concurrent.{CountDownLatch, TimeUnit}
+
+import scala.collection.mutable
+
+import org.apache.spark.sql.{DataFrame, SparkSession}
+import org.apache.spark.sql.streaming.StreamingQuery
+
+import org.apache.carbondata.common.logging.LogServiceFactory
+import org.apache.carbondata.core.metadata.schema.table.CarbonTable
+import org.apache.carbondata.spark.StreamingOption
+import org.apache.carbondata.streaming.CarbonStreamException
+
+object StreamJobManager {
+ private val LOGGER =
LogServiceFactory.getLogService(this.getClass.getCanonicalName)
+ private val jobs = mutable.Map[String, StreamJobDesc]()
+
+ /**
+ * Start a spark streaming query
+ * @param sparkSession session instance
+ * @param sourceTable stream source table
+ * @param sinkTable sink table to insert to
+ * @param query query string
+ * @param streamDf dataframe that containing the query from stream
source table
+ * @param options options provided by user
+ * @return Job ID
+ */
+ def startJob(
+ sparkSession: SparkSession,
+ sourceTable: CarbonTable,
+ sinkTable: CarbonTable,
+ query: String,
+ streamDf: DataFrame,
+ options: StreamingOption): String = {
+ val latch = new CountDownLatch(1)
+ var exception: Throwable = null
+ var job: StreamingQuery = null
+
+ // start a new thread to run the streaming ingest job, the job will be
running
+ // until user stops it by STOP STREAM JOB
--- End diff --
fixed
---
