Package org.apache.accumulo.core.data.thrift

Examples of org.apache.accumulo.core.data.thrift.MultiScanResult

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        InitialMultiScan imsr = client.startMultiScan(Tracer.traceInfo(), credentials, thriftTabletRanges, Translator.translate(columns, Translators.CT),
            options.serverSideIteratorList, options.serverSideIteratorOptions, ByteBufferUtil.toByteBuffers(authorizations.getAuthorizations()), waitForWrites);
        if (waitForWrites)
          ThriftScanner.serversWaitedForWrites.get(ttype).add(server);
       
        MultiScanResult scanResult = imsr.result;
       
        opTimer.stop("Got 1st multi scan results, #results=" + scanResult.results.size() + (scanResult.more ? "  scanID=" + imsr.scanID : "")
            + " in %DURATION%");
       
        ArrayList<Entry<Key,Value>> entries = new ArrayList<Map.Entry<Key,Value>>(scanResult.results.size());
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      mss.threadPoolExtent = threadPoolExtent;
     
      long sid = sessionManager.createSession(mss, true);
     
      MultiScanResult result;
      try {
        result = continueMultiScan(tinfo, sid, mss);
      } catch (NoSuchScanIDException e) {
        log.error("the impossible happened", e);
        throw new RuntimeException("the impossible happened", e);
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        session.lookupTask = new LookupTask(scanID);
        resourceManager.executeReadAhead(session.threadPoolExtent, session.lookupTask);
      }
     
      try {
        MultiScanResult scanResult = session.lookupTask.get(MAX_TIME_TO_WAIT_FOR_SCAN_RESULT_MILLIS, TimeUnit.MILLISECONDS);
        session.lookupTask = null;
        return scanResult;
      } catch (TimeoutException e1) {
        long timeout = acuConf.getTimeInMillis(Property.TSERV_CLIENT_TIMEOUT);
        sessionManager.removeIfNotAccessed(scanID, timeout);
        List<TKeyValue> results = Collections.emptyList();
        Map<TKeyExtent,List<TRange>> failures = Collections.emptyMap();
        List<TKeyExtent> fullScans = Collections.emptyList();
        return new MultiScanResult(results, failures, fullScans, null, null, false, true);
      } catch (Throwable t) {
        sessionManager.removeSession(scanID);
        log.warn("Failed to get multiscan result", t);
        throw new RuntimeException(t);
      }
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          if (partScan != null) {
            retPartScan = partScan.toThrift();
            retPartNextKey = partNextKey.toThrift();
          }
          // add results to queue
          addResult(new MultiScanResult(retResults, retFailures, retFullScans, retPartScan, retPartNextKey, partNextKeyInclusive, session.queries.size() != 0));
        } catch (IterationInterruptedException iie) {
          if (!isCancelled()) {
            log.warn("Iteration interrupted, when scan not cancelled", iie);
            addResult(iie);
          }
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        InitialMultiScan imsr = client.startMultiScan(null, credentials, thriftTabletRanges, Translator.translate(columns, Translators.CT),
            options.serverSideIteratorList, options.serverSideIteratorOptions, ByteBufferUtil.toByteBuffers(authorizations.getAuthorizations()), waitForWrites);
        if (waitForWrites)
          ThriftScanner.serversWaitedForWrites.get(ttype).add(server);
       
        MultiScanResult scanResult = imsr.result;
       
        opTimer.stop("Got 1st multi scan results, #results=" + scanResult.results.size() + (scanResult.more ? "  scanID=" + imsr.scanID : "")
            + " in %DURATION%");
       
        for (TKeyValue kv : scanResult.results) {
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      mss.threadPoolExtent = threadPoolExtent;

      long sid = sessionManager.createSession(mss, true);

      MultiScanResult result;
      try {
        result = continueMultiScan(tinfo, sid, mss);
      } catch (NoSuchScanIDException e) {
        log.error("the impossible happened", e);
        throw new RuntimeException("the impossible happened", e);
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        session.lookupTask = new LookupTask(scanID);
        resourceManager.executeReadAhead(session.threadPoolExtent, session.lookupTask);
      }

      try {
        MultiScanResult scanResult = session.lookupTask.get(MAX_TIME_TO_WAIT_FOR_SCAN_RESULT_MILLIS, TimeUnit.MILLISECONDS);
        session.lookupTask = null;
        return scanResult;
      } catch (TimeoutException e1) {
        long timeout = acuConf.getTimeInMillis(Property.TSERV_CLIENT_TIMEOUT);
        sessionManager.removeIfNotAccessed(scanID, timeout);
        List<TKeyValue> results = Collections.emptyList();
        Map<TKeyExtent,List<TRange>> failures = Collections.emptyMap();
        List<TKeyExtent> fullScans = Collections.emptyList();
        return new MultiScanResult(results, failures, fullScans, null, null, false, true);
      } catch (Throwable t) {
        sessionManager.removeSession(scanID);
        log.warn("Failed to get multiscan result", t);
        throw new RuntimeException(t);
      }
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          if (partScan != null) {
            retPartScan = partScan.toThrift();
            retPartNextKey = partNextKey.toThrift();
          }
          // add results to queue
          addResult(new MultiScanResult(retResults, retFailures, retFullScans, retPartScan, retPartNextKey, partNextKeyInclusive, session.queries.size() != 0));
        } catch (IterationInterruptedException iie) {
          if (!isCancelled()) {
            log.warn("Iteration interrupted, when scan not cancelled", iie);
            addResult(iie);
          }
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      mss.threadPoolExtent = threadPoolExtent;
     
      long sid = sessionManager.createSession(mss, true);
     
      MultiScanResult result;
      try {
        result = continueMultiScan(tinfo, sid, mss);
      } catch (NoSuchScanIDException e) {
        log.error("the impossible happened", e);
        throw new RuntimeException("the impossible happened", e);
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        session.lookupTask = new LookupTask(scanID);
        resourceManager.executeReadAhead(session.threadPoolExtent, session.lookupTask);
      }
     
      try {
        MultiScanResult scanResult = session.lookupTask.get(MAX_TIME_TO_WAIT_FOR_SCAN_RESULT_MILLIS, TimeUnit.MILLISECONDS);
        session.lookupTask = null;
        return scanResult;
      } catch (TimeoutException e1) {
        long timeout = acuConf.getTimeInMillis(Property.TSERV_CLIENT_TIMEOUT);
        sessionManager.removeIfNotAccessed(scanID, timeout);
        List<TKeyValue> results = Collections.emptyList();
        Map<TKeyExtent,List<TRange>> failures = Collections.emptyMap();
        List<TKeyExtent> fullScans = Collections.emptyList();
        return new MultiScanResult(results, failures, fullScans, null, null, false, true);
      } catch (Throwable t) {
        sessionManager.removeSession(scanID);
        log.warn("Failed to get multiscan result", t);
        throw new RuntimeException(t);
      }
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Related Classes of org.apache.accumulo.core.data.thrift.MultiScanResult

  • org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator
  • org.apache.accumulo.server.tabletserver.TabletServer$ThriftClientHandler
  • org.apache.accumulo.server.tabletserver.TabletServer$ThriftClientHandler$LookupTask
  • org.apache.accumulo.server.util.VerifyTabletAssignments
  • org.apache.accumulo.tserver.TabletServer$ThriftClientHandler
  • org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask
  • org.apache.thrift.protocol.TTupleProtocol
  • java.util.BitSet
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