tech.bitey.dataframe.db

Interface IFromResultSet<E,B extends ColumnBuilder<E>>

Type Parameters:

E - - the column's element type

B - - the ColumnBuilder type

All Known Implementing Classes:

BooleanFromResultSet, ByteFromResultSet, DateFromResultSet, DateTimeFromResultSet, DecimalFromResultSet, DoubleFromResultSet, FloatFromResultSet, IntFromResultSet, LongFromResultSet, ShortFromResultSet, StringFromResultSet

public interface IFromResultSet<E,B extends ColumnBuilder<E>>

Logic for converting a column in a ResultSet into a Column via a ColumnBuilder.

A number of pre-canned implementations have been provided:

• BooleanFromResultSet
• DateFromResultSet
• DateTimeFromResultSet
• DecimalFromResultSet
• DoubleFromResultSet
• FloatFromResultSet
• IntFromResultSet
• LongFromResultSet
• StringFromResultSet

Author:

biteytech@protonmail.com

Method Summary

Modifier and Type	Method and Description
void	get(ResultSet rs, int columnIndex, B builder) Gets one elements from the ResultSet at the current row, for the specified column, and adds it to the builder.
ColumnType<E>	getColumnType() Returns the ColumnType used to create the ColumnBuilder (via ColumnType.builder()).

Method Detail

getColumnType

ColumnType<E> getColumnType()

Returns the ColumnType used to create the ColumnBuilder (via ColumnType.builder()).

Returns:

the ColumnType used to create the ColumnBuilder

get

void get(ResultSet rs,
         int columnIndex,
         B builder)
  throws SQLException

Gets one elements from the ResultSet at the current row, for the specified column, and adds it to the builder.

Parameters:

rs - - the ResultSet

columnIndex - - one-based index of a column in the ResultSet

builder - - the ColumnBuilder into which elements are added

Throws:

SQLException - if some SQL or database error occurs