integration/spark/src/main/scala/org/apache/carbondata/spark/thriftserver/CarbonThriftServer.scala

/*
 * 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.spark.thriftserver

import java.io.File

import org.apache.spark.{SparkConf, SparkContext}
import org.apache.spark.sql.CarbonContext
import org.apache.spark.sql.hive.thriftserver.HiveThriftServer2

import org.apache.carbondata.common.logging.LogServiceFactory
import org.apache.carbondata.core.util.CarbonProperties

object CarbonThriftServer {

  def main(args: Array[String]): Unit = {
    val conf = new SparkConf()
      .setAppName("Carbon Thrift Server")
    if (!conf.contains("carbon.properties.filepath")) {
      val sparkHome = System.getenv.get("SPARK_HOME")
      if (sparkHome != null) {
        val file = new File(sparkHome + '/' + "conf" + '/' + "carbon.properties")
        if (file.exists()) {
          conf.set("carbon.properties.filepath", file.getCanonicalPath)
          System.setProperty("carbon.properties.filepath", file.getCanonicalPath)
        }
      }
    } else {
      System.setProperty("carbon.properties.filepath", conf.get("carbon.properties.filepath"))
    }
    if (org.apache.spark.SPARK_VERSION.startsWith("1.6")) {
      conf.set("spark.sql.hive.thriftServer.singleSession", "true")
    }
    val sc = new SparkContext(conf)
    val warmUpTime = CarbonProperties.getInstance().getProperty("carbon.spark.warmUpTime", "5000")
    try {
      Thread.sleep(Integer.parseInt(warmUpTime))
    } catch {
      case e: Exception =>
        val LOG = LogServiceFactory.getLogService(this.getClass.getCanonicalName)
        LOG.error(s"Wrong value for carbon.spark.warmUpTime $warmUpTime " +
                  "Using default Value and proceeding")
        Thread.sleep(30000)
    }
    val storePath = if (args.length > 0) args.head else null
    val cc = new CarbonContext(sc, storePath)

    HiveThriftServer2.startWithContext(cc)
  }

}