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
33
34
35
36
37
38
39
40
41
|
package sandcrawler
import java.util.Properties
import cascading.property.AppProps
import cascading.tuple.Fields
import com.twitter.scalding._
import com.twitter.scalding.typed.TDsl._
import org.apache.hadoop.hbase.io.ImmutableBytesWritable
import org.apache.hadoop.hbase.util.Bytes
import parallelai.spyglass.base.JobBase
import parallelai.spyglass.hbase.HBaseConstants.SourceMode
import parallelai.spyglass.hbase.HBasePipeConversions
import parallelai.spyglass.hbase.HBaseSource
import scala.util.parsing.json.JSONObject
// Dumps the SHA1 key and grobid0:tei_xml columns, as TSV/JSON (two TSV
// columns: one is key, second is JSON). Used for partner delivery/sharing
class DumpGrobidXmlJob(args: Args) extends JobBase(args) with HBasePipeConversions {
val metaPipe : TypedPipe[(String, String)] = HBaseBuilder.build(args("hbase-table"),
args("zookeeper-hosts"),
List("file:cdx", "grobid0:tei_xml"),
SourceMode.SCAN_ALL)
.read
.toTypedPipe[(ImmutableBytesWritable,ImmutableBytesWritable,ImmutableBytesWritable)](new Fields("key", "cdx", "tei_xml"))
.filter { case (_, cdx, tei_xml) => cdx != null && tei_xml != null }
.map { case (key, cdx, tei_xml) =>
(Bytes.toString(key.copyBytes()),
JSONObject(
Map(
"pdf_hash" -> Bytes.toString(key.copyBytes()),
"cdx_metadata" -> Bytes.toString(cdx.copyBytes()),
"tei_xml" -> Bytes.toString(tei_xml.copyBytes())
)).toString
)
};
metaPipe.write(TypedTsv[(String,String)](args("output")))
}
|
