com.bea.p13n.rules.advislets
Class ResultsToRulesInputTransform

java.lang.Object
  |
  +--com.bea.p13n.advisor.AbstractAdviceTransform
        |
        +--com.bea.p13n.rules.advislets.ResultsToRulesInputTransform

public class ResultsToRulesInputTransform

extends AbstractAdviceTransform

An AdviceTransform that converts the results in one Advice instance into rule inputs in the AdviceRequest.

Field Summary

static java.lang.String	REQUEST_SPECIFIC_KEY A string key for identifying a request-specific key.
static java.lang.String	REQUEST_SPECIFIC_VALUE A string key for identifying a request-specific value.

Constructor Summary

ResultsToRulesInputTransform(Advisor advisor, Metadata metadata)
Construct an instance of this object and bind it to its Advisor and Metadata instances.

Method Summary

boolean	initialize(java.util.Map parameters, java.lang.Object parameterDocument) Initialize this AdviceTransform from its configuration environment in the AdvisletRegistry XML file.
void	transform(Advice input, AdviceRequest output) Maps objects in the Advice objects into objects in a subsequent AdviceRequest.

Methods inherited from class com.bea.p13n.advisor.AbstractAdviceTransform

getMetadata, toString

Methods inherited from class java.lang.Object

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

Field Detail

REQUEST_SPECIFIC_KEY

public static final java.lang.String REQUEST_SPECIFIC_KEY

A string key for identifying a request-specific key.

REQUEST_SPECIFIC_VALUE

public static final java.lang.String REQUEST_SPECIFIC_VALUE

A string key for identifying a request-specific value.

Constructor Detail

ResultsToRulesInputTransform

public ResultsToRulesInputTransform(Advisor advisor,
                                    Metadata metadata)

Construct an instance of this object and bind it to its Advisor and Metadata instances.

Parameters:

advisor - the Advisor for this transform.

metadata - the Metadata for this transform.

Method Detail

initialize

public boolean initialize(java.util.Map parameters,
                          java.lang.Object parameterDocument)
                   throws AdvisorException

Initialize this AdviceTransform from its configuration environment in the AdvisletRegistry XML file.

Parameters:

parameters - the Map containing the initialization parameters.

parameterDocument - the XML Document Object containing the configuration environment for this AdviceTransform instance.

Overrides:

initialize in class AbstractAdviceTransform

transform

public void transform(Advice input,
                      AdviceRequest output)
               throws AdvisorException

Maps objects in the Advice objects into objects in a subsequent AdviceRequest.

If the Advice.getResult() call returns a List, each item in the List is appended to a List in the AdviceRequest keyed to the value RULES_INPUT_OBJECTS.

In addition a single value from the configuration environment is added to to the AdviceRequest, using the key of "request-specific-key" (loaded from the XML configuration) and the value "request-specific-value"" (loaded from the XML configuration).

Parameters:

input - the Advice that was previously executed.

output - the AdviceRequest to be populated.

Overrides:

transform in class AbstractAdviceTransform