How to use org.apache.druid.segment.incremental

private long getMaxTimeMillis()
{
 return getFacts().getMaxTimeMillis();
}

private long getMinTimeMillis()
{
 return getFacts().getMinTimeMillis();
}

@Override
public int getNumRows()
{
 return index.size();
}

 @Override
 public IncrementalIndex createIndex()
 {
  return new IncrementalIndex.Builder()
    .setIndexSchema(schema)
    .setSortFacts(sortFacts)
    .setMaxRowCount(1000000)
    .buildOffheap(stupidPool);
 }
},

public static IncrementalIndex createNoRollupIndex(AggregatorFactory[] aggregatorFactories)
{
 if (null == aggregatorFactories) {
  aggregatorFactories = defaultAggregatorFactories;
 }
 return new IncrementalIndex.Builder()
   .setSimpleTestingIndexSchema(false, aggregatorFactories)
   .setMaxRowCount(1000000)
   .buildOnheap();
}

 @Override
 public void close()
 {
  index.close();
 }
}

@Override
public StorageAdapter asStorageAdapter()
{
 return new IncrementalIndexStorageAdapter(index);
}

@Override
public Interval getInterval()
{
 return index.getInterval();
}

@Override
public List<String> getDimensionNames()
{
 return index.getDimensionNames();
}

 @Override
 public Metadata getMetadata()
 {
  return index.getMetadata();
 }
}

@Override
public ColumnCapabilities getCapabilities(String column)
{
 return index.getCapabilities(column);
}

@Override
public void advanceTo(int offset)
{
 int count = 0;
 while (count < offset && !isDone()) {
  advance();
  count++;
 }
}

@Override
protected Aggregator[] getAggsForRow(int rowOffset)
{
 return concurrentGet(rowOffset);
}

@Override
public DateTime getMinTime()
{
 return index.getMinTime();
}

@Override
public DateTime getMaxTime()
{
 return index.getMaxTime();
}

@Override
public String getMetricType(String metric)
{
 return index.getMetricType(metric);
}

@Override
public TransformableRowIterator getRows()
{
 return new IncrementalIndexRowIterator(index);
}

@Override
public DateTime getMaxIngestedEventTime()
{
 return index.getMaxIngestedEventTime();
}

@Override
public int getNumRows()
{
 return index.size();
}

@Override
public StorageAdapter toStorageAdapter()
{
 return new IncrementalIndexStorageAdapter(this);
}