public ObjectInspector init()

in src/main/java/org/apache/datasketches/hive/tuple/UnionDoubleSummaryWithModeSketchUDAF.java [100:120]

19 lines of code
6 McCabe index (conditional complexity)


    public ObjectInspector init(final Mode mode, final ObjectInspector[] inspectors) throws HiveException {
      final ObjectInspector resultInspector = super.init(mode, inspectors);
      if ((mode == Mode.PARTIAL1) || (mode == Mode.COMPLETE)) {
        // input is original data
        if (inspectors.length > 2) {
          this.summaryModeInspector_ = (PrimitiveObjectInspector) inspectors[2];
        }
      }
      if ((mode == Mode.PARTIAL1) || (mode == Mode.PARTIAL2)) {
        // intermediate results need to include the nominal number of entries and the summary mode
        return ObjectInspectorFactory.getStandardStructObjectInspector(
          Arrays.asList(NOMINAL_NUM_ENTRIES_FIELD, SUMMARY_MODE_FIELD, SKETCH_FIELD),
          Arrays.asList(
            PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.INT),
            PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.STRING),
            PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(PrimitiveCategory.BINARY)
          )
        );
      }
      return resultInspector;
    }