pt.moredata.dao.core
Class AbstractReader

java.lang.Object
  pt.moredata.dao.core.AbstractReader

All Implemented Interfaces:

Reader

public abstract class AbstractReader

extends java.lang.Object

implements Reader

Parcial implementation of the Reader interface. Company MoreData

Version:

$Revision: 1.4 $

Author:

pcarmo

Field Summary

protected DAOFieldsInfo	_fieldsInfo DAOFieldsInfo object with information about DAO columns and tables.
protected ReaderInformation	_info Aditional information to build the SQL command.
protected RecordSet	_recordSet DAO RecordSet.

Constructor Summary

AbstractReader(DAOFieldsInfo fieldsInfo, RecordSet recordSet)
Creates a new instance of AbstractReader

Method Summary

protected abstract void	read() Read data from the repository and write it to a RecordSet.
void	read(ReaderInformation info) Read data from the repository and write it to a RecordSet.
void	setDAOFieldsInfo(DAOFieldsInfo fieldsInfo) Set the DAOFieldsInfo object with information about the columns of the RecordSet.
void	setRecordSet(RecordSet recordSet) Set the RecordSet used to store the information read from the repository.

Methods inherited from class java.lang.Object

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

Field Detail

_info

protected ReaderInformation _info

Aditional information to build the SQL command.

_fieldsInfo

protected DAOFieldsInfo _fieldsInfo

DAOFieldsInfo object with information about DAO columns and tables.

_recordSet

protected RecordSet _recordSet

DAO RecordSet.

Constructor Detail

AbstractReader

public AbstractReader(DAOFieldsInfo fieldsInfo,
                      RecordSet recordSet)

Creates a new instance of AbstractReader

Parameters:

fieldsInfo - The DAO fields information object.

recordSet - The DAO RecordSet object witch contains the DAO data.

Method Detail

read

protected abstract void read()
                      throws ReaderException

Read data from the repository and write it to a RecordSet.

Throws:

ReaderException - If there is an error while reading data from the repository.

setDAOFieldsInfo

public void setDAOFieldsInfo(DAOFieldsInfo fieldsInfo)

Set the DAOFieldsInfo object with information about the columns of the RecordSet.

Specified by:

setDAOFieldsInfo in interface Reader

Parameters:

fieldsInfo - The DAOFieldInfo object.

setRecordSet

public void setRecordSet(RecordSet recordSet)

Set the RecordSet used to store the information read from the repository.

Specified by:

setRecordSet in interface Reader

Parameters:

recordSet - The RecorSet object to store the readed information.

read

public void read(ReaderInformation info)
          throws ReaderException

Read data from the repository and write it to a RecordSet.

Specified by:

read in interface Reader

Parameters:

info -

Throws:

ReadException - If an error occur will reading data from the repository.

ReaderException - If an error occur will reading data from the repository.