use of org.apache.accumulo.core.tabletserver.thrift.ScanState in project accumulo by apache.
the class SessionManager method getActiveScans.
public List<ActiveScan> getActiveScans() {
final List<ActiveScan> activeScans = new ArrayList<>();
final long ct = System.currentTimeMillis();
final Set<Entry<Long, Session>> copiedIdleSessions = new HashSet<>();
synchronized (idleSessions) {
/**
* Add sessions so that get the list returned in the active scans call
*/
for (Session session : idleSessions) {
copiedIdleSessions.add(Maps.immutableEntry(expiredSessionMarker, session));
}
}
for (Entry<Long, Session> entry : Iterables.concat(sessions.entrySet(), copiedIdleSessions)) {
Session session = entry.getValue();
if (session instanceof ScanSession) {
ScanSession ss = (ScanSession) session;
ScanState state = ScanState.RUNNING;
ScanTask<ScanBatch> nbt = ss.nextBatchTask;
if (nbt == null) {
state = ScanState.IDLE;
} else {
switch(nbt.getScanRunState()) {
case QUEUED:
state = ScanState.QUEUED;
break;
case FINISHED:
state = ScanState.IDLE;
break;
case RUNNING:
default:
/* do nothing */
break;
}
}
ActiveScan activeScan = new ActiveScan(ss.client, ss.getUser(), ss.extent.getTableId().canonicalID(), ct - ss.startTime, ct - ss.lastAccessTime, ScanType.SINGLE, state, ss.extent.toThrift(), Translator.translate(ss.columnSet, Translators.CT), ss.ssiList, ss.ssio, ss.auths.getAuthorizationsBB(), ss.context);
// scanId added by ACCUMULO-2641 is an optional thrift argument and not available in ActiveScan constructor
activeScan.setScanId(entry.getKey());
activeScans.add(activeScan);
} else if (session instanceof MultiScanSession) {
MultiScanSession mss = (MultiScanSession) session;
ScanState state = ScanState.RUNNING;
ScanTask<MultiScanResult> nbt = mss.lookupTask;
if (nbt == null) {
state = ScanState.IDLE;
} else {
switch(nbt.getScanRunState()) {
case QUEUED:
state = ScanState.QUEUED;
break;
case FINISHED:
state = ScanState.IDLE;
break;
case RUNNING:
default:
/* do nothing */
break;
}
}
activeScans.add(new ActiveScan(mss.client, mss.getUser(), mss.threadPoolExtent.getTableId().canonicalID(), ct - mss.startTime, ct - mss.lastAccessTime, ScanType.BATCH, state, mss.threadPoolExtent.toThrift(), Translator.translate(mss.columnSet, Translators.CT), mss.ssiList, mss.ssio, mss.auths.getAuthorizationsBB(), mss.context));
}
}
return activeScans;
}
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