Package org.dashbuilder.dataset

Interface DataSetMetadata

  • All Known Implementing Classes:
    DataSetMetadataImpl
    public interface DataSetMetadata
    Metadata associated with a data set instance

    • Method Detail

      • getUUID

        String getUUID()
        The unique identifier for this data set.

      • getNumberOfRows

        int getNumberOfRows()
        Get the number of rows.

      • getNumberOfColumns

        int getNumberOfColumns()
        Get the number of columns.

      • getColumnId

        String getColumnId​(int columnIndex)
        Get the identifier of the specified column.
        Parameters:
        columnIndex - The column index (starting at 0).

      • getColumnIds

        List<String> getColumnIds()
        Get the column ids

      • getColumnType

        ColumnType getColumnType​(int columnIndex)
        Get the type of the specified column.
        Parameters:
        columnIndex - The column index (starting at 0).

      • getColumnType

        ColumnType getColumnType​(String columnId)
        Get the type of the specified column.
        Parameters:
        columnId - The column id.

      • getColumnTypes

        List<ColumnType> getColumnTypes()
        Get the column types

      • getEstimatedSize

        int getEstimatedSize()
        Get the estimated size in bytes.

      • getDefinition

        DataSetDef getDefinition()
        Get the definition this data set has been created from. Is null for manually created data set instances.