Package com.jk.core.jpa

Class JKCSVConvertor

java.lang.Object

com.jk.core.jpa.JKCSVConvertor

All Implemented Interfaces:

jakarta.persistence.AttributeConverter<List<String>,String>

public class JKCSVConvertor
extends Object
implements jakarta.persistence.AttributeConverter<List<String>,String>

This class is can be used to convert entity attribute state into database column representation and back again.

Version:

1.0

Author:

Dr. Jalal H. Kiswani

Constructor Summary

Constructors

Constructor	Description
JKCSVConvertor()

Method Summary

Modifier and Type	Method	Description
String	convertToDatabaseColumn(List<String> attribute)	Converts the value stored in the entity attribute into the data representation to be stored in the database.
List	convertToEntityAttribute(String dbData)	Converts the data stored in the database column into the value to be stored in the entity attribute.

Methods inherited from class java.lang.Object

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

Constructor Details

JKCSVConvertor

public JKCSVConvertor()

Method Details

convertToDatabaseColumn

public String convertToDatabaseColumn(List<String> attribute)

Converts the value stored in the entity attribute into the data representation to be stored in the database.

Specified by:

convertToDatabaseColumn in interface jakarta.persistence.AttributeConverter<List<String>,String>

Parameters:

attribute - the entity attribute value to be converted

Returns:

the converted data to be stored in the database column

convertToEntityAttribute

public List convertToEntityAttribute(String dbData)

Converts the data stored in the database column into the value to be stored in the entity attribute. Note that it is the responsibility of the converter writer to specify the correct dbData type for the corresponding column for use by the JDBC driver: i.e., persistence providers are not expected to do such type conversion.

Specified by:

convertToEntityAttribute in interface jakarta.persistence.AttributeConverter<List<String>,String>

Parameters:

dbData - the data from the database column to be converted

Returns:

the converted value to be stored in the entity attribute