Examples of io.druid.segment.ReferenceCountingSegment

io.druid.segment.ReferenceCountingSegment

      }


      loadedIntervals.add(
          segment.getInterval(),
          segment.getVersion(),
          segment.getShardSpec().createChunk(new ReferenceCountingSegment(adapter))
      );
      synchronized (dataSourceSizes) {
        dataSourceSizes.add(dataSource, segment.getSize());
      }
      synchronized (dataSourceCounts) {

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      PartitionChunk<ReferenceCountingSegment> removed = loadedIntervals.remove(
          segment.getInterval(),
          segment.getVersion(),
          segment.getShardSpec().createChunk((ReferenceCountingSegment) null)
      );
      ReferenceCountingSegment oldQueryable = (removed == null) ? null : removed.getObject();


      if (oldQueryable != null) {
        synchronized (dataSourceSizes) {
          dataSourceSizes.add(dataSource, -segment.getSize());
        }
        synchronized (dataSourceCounts) {
          dataSourceCounts.add(dataSource, -1L);
        }


        try {
          log.info("Attempting to close segment %s", segment.getIdentifier());
          oldQueryable.close();
        }
        catch (IOException e) {
          log.makeAlert(e, "Exception closing segment")
             .addData("dataSource", dataSource)
             .addData("segmentId", segment.getIdentifier())

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                final PartitionChunk<ReferenceCountingSegment> chunk = entry.getChunk(input.getPartitionNumber());
                if (chunk == null) {
                  return null;
                }


                final ReferenceCountingSegment adapter = chunk.getObject();
                return Arrays.asList(
                    buildAndDecorateQueryRunner(factory, toolChest, adapter, input)
                );
              }
            }

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    public QueryRunner<Result<SearchResultValue>> createRunner(Segment adapter)
    {
      if (!(adapter instanceof ReferenceCountingSegment)) {
        throw new IAE("Expected instance of ReferenceCountingSegment, got %s", adapter.getClass());
      }
      final ReferenceCountingSegment segment = (ReferenceCountingSegment) adapter;


      Assert.assertTrue(segment.getNumReferences() > 0);
      segmentReferences.add(segment);
      adapters.add((SegmentForTesting) segment.getBaseSegment());
      return new BlockingQueryRunner<Result<SearchResultValue>>(
          new NoopQueryRunner<Result<SearchResultValue>>(), waitLatch, waitYieldLatch, notifyLatch
      );
    }

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      int count,
      String segmentIdentifier
  )
  {
    this.index = index;
    this.adapter = new ReferenceCountingSegment(new IncrementalIndexSegment(index, segmentIdentifier));
    this.count = count;
  }

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      Segment adapter,
      int count
  )
  {
    this.index = null;
    this.adapter = new ReferenceCountingSegment(adapter);
    this.count = count;
  }

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      }
      catch (IOException e) {
        throw Throwables.propagate(e);
      }
    }
    this.adapter = new ReferenceCountingSegment(adapter);
    this.index = null;
  }

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