net.wgen.op.db.xform
Class ChainedOutputTransformCallback

java.lang.Object
  net.wgen.op.db.xform.ChainedOutputTransformCallback

All Implemented Interfaces:

OutputTransformCallback

public class ChainedOutputTransformCallback

extends java.lang.Object

implements OutputTransformCallback

Version:

$Id: ChainedOutputTransformCallback.html,v 1.2 2007/01/28 04:09:37 paulfeuer Exp $

Author:

Paul Feuer, Wireless Generation, Inc.

Field Summary

private OutputTransformCallback[]

_chain

Constructor Summary

ChainedOutputTransformCallback(OutputTransformCallback[] chain)

Method Summary

java.lang.Object	transformOutputValue(java.lang.Object val, java.lang.String functionName, int paramIdx, TraceKey traceKey, org.apache.log4j.Logger logger) When processing an output value, transform it.
java.lang.Object	transformResultSetKey(java.lang.Object key, java.lang.String functionName, int paramIdx, TraceKey traceKey, org.apache.log4j.Logger logger) When processing a ResultSet, transform a key in a record.
java.lang.Object	transformResultSetValue(java.lang.Object val, java.lang.String columnName, java.lang.String functionName, int paramIdx, TraceKey traceKey, org.apache.log4j.Logger logger) When processing a ResultSet, transform a value in a record.

Methods inherited from class java.lang.Object

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

Field Detail

_chain

private OutputTransformCallback[] _chain

Constructor Detail

ChainedOutputTransformCallback

public ChainedOutputTransformCallback(OutputTransformCallback[] chain)

Method Detail

transformResultSetKey

public java.lang.Object transformResultSetKey(java.lang.Object key,
                                              java.lang.String functionName,
                                              int paramIdx,
                                              TraceKey traceKey,
                                              org.apache.log4j.Logger logger)

When processing a ResultSet, transform a key in a record.

Specified by:

transformResultSetKey in interface OutputTransformCallback

Parameters:

key - the column name as read by the database

functionName - the name of the function that was executed

paramIdx -

traceKey -

logger -

Returns:

the transformed key

transformResultSetValue

public java.lang.Object transformResultSetValue(java.lang.Object val,
                                                java.lang.String columnName,
                                                java.lang.String functionName,
                                                int paramIdx,
                                                TraceKey traceKey,
                                                org.apache.log4j.Logger logger)

When processing a ResultSet, transform a value in a record.

Specified by:

transformResultSetValue in interface OutputTransformCallback

Parameters:

val -

columnName -

functionName -

paramIdx -

traceKey -

logger -

Returns:

the transformed record value

transformOutputValue

public java.lang.Object transformOutputValue(java.lang.Object val,
                                             java.lang.String functionName,
                                             int paramIdx,
                                             TraceKey traceKey,
                                             org.apache.log4j.Logger logger)

When processing an output value, transform it.

Specified by:

transformOutputValue in interface OutputTransformCallback

Parameters:

val -

functionName -

paramIdx -

traceKey -

logger -

Returns:

the transformed value