1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
package parallelai.spyglass.hbase.example
import com.twitter.scalding.{Tsv, Args}
import parallelai.spyglass.base.JobBase
import org.apache.log4j.{Level, Logger}
import parallelai.spyglass.hbase.{HBasePipeConversions, HBaseSource}
import parallelai.spyglass.hbase.HBaseConstants.SourceMode
import cascading.tuple.Fields
/**
* Simple example of HBaseSource usage
*/
class SimpleHBaseSourceExample(args: Args) extends JobBase(args) with HBasePipeConversions {
val isDebug: Boolean = args("debug").toBoolean
if (isDebug) Logger.getRootLogger.setLevel(Level.DEBUG)
val output = args("output")
val hbs = new HBaseSource(
"table_name",
"quorum_name:2181",
new Fields("key"),
List("column_family"),
List(new Fields("column_name1", "column_name2")),
sourceMode = SourceMode.GET_LIST, keyList = List("1", "2", "3"))
.read
.fromBytesWritable(new Fields("key", "column_name1", "column_name2"))
.write(Tsv(output format "get_list"))
}
|