/**
* builds an ScheduleItem object from a Result object obtained from a Scan or Get in the
* underlying storage
*
* @param result
* @return
*/
public static ScheduleItem fromResultObject(Schedule schedule, Result result) {
ScheduleItem r = ScheduleItem.fromRowKey(schedule, result.getRowKey());
byte[] stat = result.getValue("bigs", "status");
if (stat != null) {
r.setStatusFromString(new String(stat));
}
byte[] etime = result.getValue("bigs", "elapsedtime");
if (etime != null) {
r.setElapsedTime(new Long(new String(etime)));
}
byte[] lastupdate = result.getValue("bigs", "lastupdate");
if (lastupdate != null) {
r.setLastUpdateFromString(new String(lastupdate));
}
byte[] suuid = result.getValue("bigs", "uuid");
if (suuid != null) {
r.setUuidStored(new String(suuid));
}
byte[] smethod = result.getValue("scheduling", "method");
if (smethod != null) {
r.setMethodName(new String(smethod));
}
byte[] shostname = result.getValue("bigs", "hostname");
if (shostname != null) {
r.setHostnameStored(new String(shostname));
}
String parentsIdsString = new String(result.getValue("scheduling", "parents"));
if (parentsIdsString != null && !parentsIdsString.trim().isEmpty()) {
r.parentsRowkeys = Text.parseObjectList(parentsIdsString, " ", String.class);
}
r.preparedTask = TaskHelper.fromResultObject(result, "scheduling", "task.class", "task.object");
r.processState = State.fromResultObject(result, "content", "class", "data");
r.preparedTaskContainer =
TaskContainer.fromResultObject(
result, "scheduling", "task.container.class", "task.container.object");
if (schedule != null) {
r.preparedTaskContainer.setPipelineStage(schedule.getPipelineStage());
}
r.tags = result.getFamilyMap("tags");
return r;
}
@Override
public void run(String[] args) throws Exception {
String tableName = args[0];
File destinationDir = new File(".");
if (args.length == 2) destinationDir = new File(args[1]);
DataSource dataSource = BIGS.globalProperties.getPreparedDataSource();
Table table = dataSource.getTable(tableName);
ResultScanner scanner = table.getScan(table.createScanObject());
Result r = null;
while ((r = scanner.next()) != null) {
File destFile = new File(destinationDir, r.getRowKey());
Log.info("downloading to file " + destFile.getName());
DataItem dataItem = DataItem.fromResult(r);
FileOutputStream fstream = new FileOutputStream(destFile);
fstream.write(dataItem.asFileContent());
fstream.close();
}
}