Package com.ziclix.python.sql

Class FilterDataHandler

java.lang.Object

com.ziclix.python.sql.DataHandler

com.ziclix.python.sql.FilterDataHandler

Direct Known Subclasses:

JDBC20DataHandler, JDBC30DataHandler

public abstract class FilterDataHandler
extends DataHandler

A FilterDataHandler contains some other DataHandler, which it uses as its basic source of functionality, possibly transforming the calls along the way or providing additional functionality. The class FilterDataHandler itself simply overrides all methods of DataHandler with versions that pass all requests to the contained data handler.

Version:

$Revision: 2414 $

Author:

brian zimmer, last revised by $Author: bzimmer $

Constructor Summary

Constructors

Constructor	Description
FilterDataHandler(DataHandler delegate)	Constructor FilterDataHandler

Method Summary

Modifier and Type	Method	Description
PyObject	__chain__()	Returns a list of datahandlers chained together through the use of delegation.
PyObject	getPyObject(java.sql.ResultSet set, int col, int type)	Method getPyObject
PyObject	getRowId(java.sql.Statement stmt)	Returns the row id of the last executed statement.
void	postExecute(java.sql.Statement stmt)	Method postExecute
void	preExecute(java.sql.Statement stmt)	Method preExecute
void	setJDBCObject(java.sql.PreparedStatement stmt, int index, PyObject object)	Method setJDBCObject
void	setJDBCObject(java.sql.PreparedStatement stmt, int index, PyObject object, int type)	Method setJDBCObject

Methods inherited from class com.ziclix.python.sql.DataHandler

checkNull, getMetaDataName, getProcedure, getPyObject, getSystemDataHandler, read, read, registerOut, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FilterDataHandler

public FilterDataHandler(DataHandler delegate)

Constructor FilterDataHandler

Parameters:

delegate -

Method Detail

getRowId

public PyObject getRowId(java.sql.Statement stmt)
                  throws java.sql.SQLException

Returns the row id of the last executed statement.

Overrides:

getRowId in class DataHandler

Parameters:

stmt -

Returns:

PyObject

Throws:

java.sql.SQLException

preExecute

public void preExecute(java.sql.Statement stmt)
                throws java.sql.SQLException

Method preExecute

Overrides:

preExecute in class DataHandler

Parameters:

stmt -

Throws:

java.sql.SQLException

postExecute

public void postExecute(java.sql.Statement stmt)
                 throws java.sql.SQLException

Method postExecute

Overrides:

postExecute in class DataHandler

Parameters:

stmt -

Throws:

java.sql.SQLException

setJDBCObject

public void setJDBCObject(java.sql.PreparedStatement stmt,
                          int index,
                          PyObject object)
                   throws java.sql.SQLException

Method setJDBCObject

Overrides:

setJDBCObject in class DataHandler

Parameters:

stmt -

index -

object -

Throws:

java.sql.SQLException

setJDBCObject

public void setJDBCObject(java.sql.PreparedStatement stmt,
                          int index,
                          PyObject object,
                          int type)
                   throws java.sql.SQLException

Method setJDBCObject

Overrides:

setJDBCObject in class DataHandler

Parameters:

stmt -

index -

object -

type -

Throws:

java.sql.SQLException

getPyObject

public PyObject getPyObject(java.sql.ResultSet set,
                            int col,
                            int type)
                     throws java.sql.SQLException

Method getPyObject

Overrides:

getPyObject in class DataHandler

Parameters:

set -

col -

type -

Returns:

PyObject

Throws:

java.sql.SQLException

__chain__

public PyObject __chain__()

Returns a list of datahandlers chained together through the use of delegation.

Overrides:

__chain__ in class DataHandler

Returns:

a list of datahandlers chained together through the use of delegation