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package sandcrawler
import cascading.property.AppProps
import cascading.tuple.Fields
import com.twitter.scalding._
import java.util.Properties
import parallelai.spyglass.base.JobBase
import parallelai.spyglass.hbase.HBaseConstants.SourceMode
import parallelai.spyglass.hbase.HBasePipeConversions
import parallelai.spyglass.hbase.HBaseSource
class HBaseCountJob(args: Args, colSpec: String) extends JobBase(args) with HBasePipeConversions {
val output = args("output")
HBaseBuilder.parseColSpec(colSpec)
val Col: String = colSpec.split(":")(1)
HBaseCountJob.getHBaseSource(args("hbase-table"),
args("zookeeper-hosts"),
colSpec)
.read
.fromBytesWritable(Symbol(Col))
.debug
.groupBy(Col){group => group.size('count)}
.write(Tsv(output))
}
object HBaseCountJob {
def getHBaseSource(hbaseTable: String, zookeeperHosts: String, colSpec: String) : HBaseSource = HBaseBuilder.build(
hbaseTable, // HBase Table Name
zookeeperHosts, // HBase Zookeeper server (to get runtime config info; can be array?)
List(colSpec),
SourceMode.SCAN_ALL)
}
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