Package org.dashbuilder.dataset

Interface DataColumn

  • All Known Implementing Classes:
    DataColumnImpl
    public interface DataColumn
    A data set is a matrix of values composed by a fixed number of columns.

    • Method Detail

      • getDataSet

        DataSet getDataSet()
        Returns:
        The DataSet instance associated to this DataColumn.
        See Also:
        DataSet

      • getId

        String getId()
        Returns:
        The identifier of this DataColumn

      • setId

        void setId​(String id)

      • setColumnType

        void setColumnType​(ColumnType columnType)

      • getColumnGroup

        ColumnGroup getColumnGroup()
        The column group settings
        Returns:
        null if this column is not the result of a group operation.

      • setColumnGroup

        void setColumnGroup​(ColumnGroup columnGroup)

      • getIntervalType

        String getIntervalType()
        The interval type used to group this column.
        Returns:
        null if this column is not the result of a group operation.

      • setIntervalType

        void setIntervalType​(String type)

      • getMinValue

        Object getMinValue()
        The minimum column value
        Returns:
        null if this column is not the result of a group operation.

      • setMinValue

        void setMinValue​(Object minValue)

      • getMaxValue

        Object getMaxValue()
        The maximum column value
        Returns:
        null if this column is not the result of a group operation.

      • setMaxValue

        void setMaxValue​(Object maxValue)

      • getValues

        List getValues()
        Returns:
        A List of the values for this DataColumn.

      • setValues

        void setValues​(List values)

      • getGroupFunction

        GroupFunction getGroupFunction()
        The group function settings
        Returns:
        null if this column is not the result of a group operation.

      • setGroupFunction

        void setGroupFunction​(GroupFunction groupFunction)

      • cloneEmpty

        DataColumn cloneEmpty()
        Only clone the column definition.

      • cloneInstance

        DataColumn cloneInstance()
        Clone the column entirely (definition & values).