cmu.survey.data.mysql
Class DataTableModelMySQL.ForwardOnlyDataSQL

java.lang.Object
  cmu.survey.data.mysql.DataTableModelMySQL.ForwardOnlyDataSQL

All Implemented Interfaces:

ForwardOnlyData

Enclosing class:

DataTableModelMySQL

public class DataTableModelMySQL.ForwardOnlyDataSQL
extends java.lang.Object
implements ForwardOnlyData

Constructor Summary

DataTableModelMySQL.ForwardOnlyDataSQL(java.lang.String query)

Method Summary

protected boolean	checkHandleColumnFormatBad(java.lang.String columnName, java.lang.Object data, java.lang.Class expectedColumnType)
void	close() Call when done accessing this ForwardOnlyData.
void	deleteRecord() Deletes the current row -- this method can only be called after you call moveToNextRecord() and it returns true.
java.lang.Object	getData(int columnIndex) ColumnIndex starts at 0.
java.lang.Object	getData(java.lang.String columnName)
java.util.Date	getDateData(java.lang.String columnName)
java.lang.Integer	getIntegerData(java.lang.String columnName)
java.lang.String	getStringData(java.lang.String columnName)
boolean	isOpen() If the set is open
boolean	moveToNextRecord() Moves to the next record, and if it succeeds, returns true.
void	setData(java.lang.String columnName, java.lang.Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataTableModelMySQL.ForwardOnlyDataSQL

public DataTableModelMySQL.ForwardOnlyDataSQL(java.lang.String query)
                                       throws FailedRequest

Throws:

FailedRequest

Method Detail

checkHandleColumnFormatBad

protected boolean checkHandleColumnFormatBad(java.lang.String columnName,
                                             java.lang.Object data,
                                             java.lang.Class expectedColumnType)
                                      throws FailedRequest

Throws:

FailedRequest

isOpen

public boolean isOpen()

Description copied from interface: ForwardOnlyData

If the set is open

Specified by:

isOpen in interface ForwardOnlyData

Returns:

moveToNextRecord

public boolean moveToNextRecord()
                         throws FailedRequest.AlreadyClosedError

Description copied from interface: ForwardOnlyData

Moves to the next record, and if it succeeds, returns true. Returns false if (a) there are no more records, or if (b) it can't go on to the next record due to a database error

Specified by:

moveToNextRecord in interface ForwardOnlyData

Returns:

whether going on to the next record succeeded

Throws:

FailedRequest.AlreadyClosedError - if the ForwardOnlyData has already been closed manually

getData

public java.lang.Object getData(int columnIndex)
                         throws FailedRequest

Description copied from interface: ForwardOnlyData

ColumnIndex starts at 0.

Specified by:

getData in interface ForwardOnlyData

Parameters:

columnIndex - starting at 0.

Returns:

Throws:

FailedRequest

getData

public java.lang.Object getData(java.lang.String columnName)
                         throws FailedRequest

Specified by:

getData in interface ForwardOnlyData

Throws:

FailedRequest

getStringData

public java.lang.String getStringData(java.lang.String columnName)
                               throws FailedRequest

Specified by:

getStringData in interface ForwardOnlyData

Throws:

FailedRequest

getIntegerData

public java.lang.Integer getIntegerData(java.lang.String columnName)
                                 throws FailedRequest

Specified by:

getIntegerData in interface ForwardOnlyData

Throws:

FailedRequest

getDateData

public java.util.Date getDateData(java.lang.String columnName)
                           throws FailedRequest

Specified by:

getDateData in interface ForwardOnlyData

Throws:

FailedRequest

setData

public void setData(java.lang.String columnName,
                    java.lang.Object value)
             throws FailedRequest

Specified by:

setData in interface ForwardOnlyData

Throws:

FailedRequest

deleteRecord

public void deleteRecord()
                  throws FailedRequest

Description copied from interface: ForwardOnlyData

Deletes the current row -- this method can only be called after you call moveToNextRecord() and it returns true. This does NOT move to the next record -- until you call "moveToNextRecord()" again, you cannot call any getData() methods.

Specified by:

deleteRecord in interface ForwardOnlyData

Throws:

FailedRequest

close

public void close()

Description copied from interface: ForwardOnlyData

Call when done accessing this ForwardOnlyData.

Specified by:

close in interface ForwardOnlyData