com.ziclix.python.sql
Class FilterDataHandler

java.lang.Object
  extended by com.ziclix.python.sql.DataHandler
      extended by 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
FilterDataHandler(DataHandler delegate)
          Constructor FilterDataHandler
 
Method Summary
 PyObject __chain__()
          Returns a list of datahandlers chained together through the use of delegation.
 PyObject getPyObject(ResultSet set, int col, int type)
          Method getPyObject
 PyObject getRowId(Statement stmt)
          Returns the row id of the last executed statement.
 void postExecute(Statement stmt)
          Method postExecute
 void preExecute(Statement stmt)
          Method preExecute
 void setJDBCObject(PreparedStatement stmt, int index, PyObject object)
          Method setJDBCObject
 void setJDBCObject(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(Statement stmt)
                  throws SQLException
Returns the row id of the last executed statement.

Overrides:
getRowId in class DataHandler
Parameters:
stmt -
Returns:
PyObject
Throws:
SQLException

preExecute

public void preExecute(Statement stmt)
                throws SQLException
Method preExecute

Overrides:
preExecute in class DataHandler
Parameters:
stmt -
Throws:
SQLException

postExecute

public void postExecute(Statement stmt)
                 throws SQLException
Method postExecute

Overrides:
postExecute in class DataHandler
Parameters:
stmt -
Throws:
SQLException

setJDBCObject

public void setJDBCObject(PreparedStatement stmt,
                          int index,
                          PyObject object)
                   throws SQLException
Method setJDBCObject

Overrides:
setJDBCObject in class DataHandler
Parameters:
stmt -
index -
object -
Throws:
SQLException

setJDBCObject

public void setJDBCObject(PreparedStatement stmt,
                          int index,
                          PyObject object,
                          int type)
                   throws SQLException
Method setJDBCObject

Overrides:
setJDBCObject in class DataHandler
Parameters:
stmt -
index -
object -
type -
Throws:
SQLException

getPyObject

public PyObject getPyObject(ResultSet set,
                            int col,
                            int type)
                     throws SQLException
Method getPyObject

Overrides:
getPyObject in class DataHandler
Parameters:
set -
col -
type -
Returns:
PyObject
Throws:
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


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