scalding/src/main/scala/sandcrawler/HBaseStatusCountJob.scala


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package sandcrawler

import cascading.property.AppProps
import cascading.tuple.Fields
import com.twitter.scalding._
import com.twitter.scalding.typed.TDsl._
import java.util.Properties
import parallelai.spyglass.base.JobBase
import org.apache.hadoop.hbase.util.Bytes
import parallelai.spyglass.hbase.{HBaseSource, HBasePipeConversions}
import parallelai.spyglass.hbase.HBaseConstants.SourceMode
import com.twitter.scalding.Args
import org.apache.hadoop.hbase.io.ImmutableBytesWritable

class HBaseStatusCountJob(args: Args) extends JobBase(args) with HBasePipeConversions {

  val colSpec = "grobid0:status_code"
  val output = args("output")
  HBaseBuilder.parseColSpec(colSpec)
  val Col: String = colSpec.split(":")(1)

  val source : TypedPipe[Long] = HBaseCountJob.getHBaseSource(args("hbase-table"),
                                                              args("zookeeper-hosts"),
                                                              colSpec)
    .read
    .toTypedPipe[(ImmutableBytesWritable,ImmutableBytesWritable)]('key, 'status_code)
    .map { case (key, raw_code) => Bytes.toLong(raw_code.copyBytes()) }

  source.groupBy { identity }
    .size
    .debug
    .write(TypedTsv[(Long,Long)](output))
}