com.bea.p13n.advisor
Class AbstractAdviceTransform

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

Direct Known Subclasses:

OutputToInputTransform, ResultsToRulesInputTransform, RulesInputTransform

public abstract class AbstractAdviceTransform

extends java.lang.Object

implements AdviceTransform, AdviceConstants, AdviceRequestConstants

This is an abstract base class useful for defining new AdviceTransform classes.

Constructor Summary

AbstractAdviceTransform(Metadata metadata)
Construct an instance of this object and bind it to its Metadata instance.

Method Summary

Metadata	getMetadata() Returns the Metadata that is associated with this.
boolean	initialize(java.util.Map parameters, java.lang.Object parameterDocument) Initializes this with the given parameters and a parameterDocument.
java.lang.String	toString() Constructs and returns a String representation of this object.
void	transform(Advice input, AdviceRequest output) Transforms the given Advice into AdviceRequest to pass it to another Advisor in the advislet chain defined in the advislet registry.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractAdviceTransform

public AbstractAdviceTransform(Metadata metadata)

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

Parameters:

metadata - the metadata for this object.

Method Detail

initialize

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

Initializes this with the given parameters and a parameterDocument.

Parameters:

parameters - A map containing key-value pairs.

parameterDocument - An Object representing a parameter document.

Returns:

returns true if this operation is successful, otherwise returns false.

Throws:

AdvisorException - If an error occurs during initialization process.

transform

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

Transforms the given Advice into AdviceRequest to pass it to another Advisor in the advislet chain defined in the advislet registry.

Specified by:

transform in interface AdviceTransform

Parameters:

input - An Advice from which the parameters are extracted and transformed.

output - An AdviceRequest that is prepared from the given Advice.

Throws:

AdvisorException - If an error occurs during the transformation process.

getMetadata

public Metadata getMetadata()

Returns the Metadata that is associated with this.

Returns:

The Metadata.

toString

public java.lang.String toString()

Constructs and returns a String representation of this object.

Returns:

a String representation of this object.

Overrides:

toString in class java.lang.Object