tech.bitey.dataframe

Class ReadFromDbConfig

java.lang.Object

tech.bitey.dataframe.ReadFromDbConfig

public class ReadFromDbConfig
extends Object

Configuration for reading a dataframe from a ResultSet. The two configurable settings are:

• Mandatory per-column logic for getting data from a ResultSet. See IFromResultSet for details.
• Optional fetch size - passed to ResultSet.setFetchSize(int)

Author:

biteytech@protonmail.com

See Also:

DataFrameFactory.readFrom(ResultSet, ReadFromDbConfig), IFromResultSet

Constructor Summary

Constructors

Constructor and Description
ReadFromDbConfig(List<IFromResultSet<?,?>> fromResultSetLogic) Creates a configuration for reading a dataframe from a ResultSet, with a fetch size of 1000.
ReadFromDbConfig(List<IFromResultSet<?,?>> fromResultSetLogic, int fetchSize) Creates a configuration for reading a dataframe from a ResultSet.

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReadFromDbConfig

public ReadFromDbConfig(List<IFromResultSet<?,?>> fromResultSetLogic,
                        int fetchSize)

Creates a configuration for reading a dataframe from a ResultSet.

Parameters:

fromResultSetLogic - - Per-column logic for getting data from a ResultSet. See IFromResultSet for details. The size of this list must match the number of columns in the ResultSet.

fetchSize - - passed to ResultSet.setFetchSize(int)

Throws:

NullPointerException - if fromResultSetLogic is null

IllegalArgumentException - if fromResultSetLogic is empty or fetchSize

ReadFromDbConfig

public ReadFromDbConfig(List<IFromResultSet<?,?>> fromResultSetLogic)

Creates a configuration for reading a dataframe from a ResultSet, with a fetch size of 1000.

Parameters:

fromResultSetLogic - - Per-column logic for getting data from a ResultSet. See IFromResultSet for details. The size of this list must match the number of columns in the ResultSet.

Throws:

NullPointerException - if fromResultSetLogic is null

IllegalArgumentException - if fromResultSetLogic is empty or fetchSize