org.mule.runtime.core.transformer.graph

Class GraphTransformerResolver

java.lang.Object

org.mule.runtime.core.transformer.graph.GraphTransformerResolver

All Implemented Interfaces:

TransformerResolver

public class GraphTransformerResolver
extends Object
implements TransformerResolver

Nested Class Summary

Nested classes/interfaces inherited from interface org.mule.runtime.core.api.registry.TransformerResolver

TransformerResolver.RegistryAction

Constructor Summary

Constructors

Constructor and Description
GraphTransformerResolver()

Method Summary

Modifier and Type	Method and Description
Transformer	resolve(org.mule.runtime.api.metadata.DataType source, org.mule.runtime.api.metadata.DataType result) Responsible for finding a transformer with the given criteria.
void	transformerChange(Transformer transformer, TransformerResolver.RegistryAction registryAction) A callback that is called when a transformer is registered or unregistered from the registry.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphTransformerResolver

public GraphTransformerResolver()

Method Detail

resolve

public Transformer resolve(org.mule.runtime.api.metadata.DataType source,
                           org.mule.runtime.api.metadata.DataType result)
                    throws ResolverException

Description copied from interface: TransformerResolver

Responsible for finding a transformer with the given criteria. Note that if a transformer is not found null should be return, an exception must NOT be thrown.

Specified by:

resolve in interface TransformerResolver

Parameters:

source - information about the source object including the object iself

result - information about the result object to transform to

Returns:

a transformer from the registry that matches the criteria or null if a transformer was not found

Throws:

ResolverException - Only thrown if an exception is thrown during the search, this exception will just be a wrapper

transformerChange

public void transformerChange(Transformer transformer,
                              TransformerResolver.RegistryAction registryAction)

Description copied from interface: TransformerResolver

A callback that is called when a transformer is registered or unregistered from the registry. This is used in situations where the resolver caches transformers and the cache needs to be updated.

Specified by:

transformerChange in interface TransformerResolver

Parameters:

transformer - the transformer that has changed

registryAction - whether the transformer was added or removed