The public class localdatetimeattributeconverter implements attributeconverter & ltlocaldatetime with timestamp & gt{

@ Overlay

public Timestamp convertToDatabaseColumn(local datetime loc datetime){

return (locDateTime == null？ null:timestamp . value of(loc datetime))；

}

@ Overlay

Public local datetime converttoentityattribute (SQL timestamp) (

return (sqlTimestamp == null？ null:sqltimestamp . tolocaldatetime())；

}

}