Interface SegmentDataset

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      SegmentBody createSegmentBody​(java.util.List<Pair<java.util.SortedSet<java.lang.Comparable>,​java.lang.Boolean>> axes)
      Return an immutable, final and serializable implementation of a SegmentBody in order to cache this dataset.
      boolean exists​(CellKey pos)
      Returns whether there is a value at a given coordinate.
      double getBytes()
      Returns the number of bytes occupied by this dataset.
      double getDouble​(CellKey pos)
      Returns the value at a given coordinate, as a double.
      int getInt​(CellKey pos)
      Returns the value at a given coordinate, as an int.
      java.lang.Object getObject​(CellKey pos)
      Returns the value at a given coordinate, as an Object.
      SqlStatement.Type getType()
      Returns the SQL type of the data contained in this dataset.
      boolean isNull​(CellKey pos)
      Returns whether the cell at a given coordinate is null.
      void populateFrom​(int[] pos, SegmentDataset data, CellKey key)  
      void populateFrom​(int[] pos, SegmentLoader.RowList rowList, int column)
      Sets the value a given ordinal.
      • Methods inherited from interface java.lang.Iterable

        forEach, iterator, spliterator
    • Method Detail

      • getObject

        java.lang.Object getObject​(CellKey pos)
        Returns the value at a given coordinate, as an Object.
        Parameters:
        pos - Coordinate position
        Returns:
        Value
      • getInt

        int getInt​(CellKey pos)
        Returns the value at a given coordinate, as an int.
        Parameters:
        pos - Coordinate position
        Returns:
        Value
      • getDouble

        double getDouble​(CellKey pos)
        Returns the value at a given coordinate, as a double.
        Parameters:
        pos - Coordinate position
        Returns:
        Value
      • isNull

        boolean isNull​(CellKey pos)
        Returns whether the cell at a given coordinate is null.
        Parameters:
        pos - Coordinate position
        Returns:
        Whether cell value is null
      • exists

        boolean exists​(CellKey pos)
        Returns whether there is a value at a given coordinate.
        Parameters:
        pos - Coordinate position
        Returns:
        Whether there is a value
      • getBytes

        double getBytes()
        Returns the number of bytes occupied by this dataset.
        Returns:
        number of bytes
      • populateFrom

        void populateFrom​(int[] pos,
                          SegmentLoader.RowList rowList,
                          int column)
        Sets the value a given ordinal.
        Parameters:
        pos - Ordinal
        rowList - Row list
        column - Column of row list
      • getType

        SqlStatement.Type getType()
        Returns the SQL type of the data contained in this dataset.
        Returns:
        A value of SqlStatement.Type
      • createSegmentBody

        SegmentBody createSegmentBody​(java.util.List<Pair<java.util.SortedSet<java.lang.Comparable>,​java.lang.Boolean>> axes)
        Return an immutable, final and serializable implementation of a SegmentBody in order to cache this dataset.
        Parameters:
        axes - An array with, for each axis, the set of axis values, sorted in natural order, and a flag saying whether the null value is also present. This is supplied by the SegmentLoader.
        Returns:
        A SegmentBody.