org.mule.metadata.message.el

Interface ExpressionLanguageMetadataTypeResolver

public interface ExpressionLanguageMetadataTypeResolver

Resolves the metadata for a specific expression language.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	ExpressionLanguageMetadataTypeResolver.MessageCallback Callback from the resolver

Method Summary

Modifier and Type	Method and Description
void	getInputType(String expression, MetadataType output, MuleEventMetadataTypeBuilder builder, ExpressionLanguageMetadataTypeResolver.MessageCallback callback) Infers the expected input mule event type MuleEventMetadataType for specified output type with the given script.
MetadataType	getOutputType(MuleEventMetadataType input, String expression, ExpressionLanguageMetadataTypeResolver.MessageCallback callback) Returns the result type expression when invoked with the given MuleEventMetadataType.

Method Detail

getInputType

void getInputType(String expression,
                  MetadataType output,
                  MuleEventMetadataTypeBuilder builder,
                  ExpressionLanguageMetadataTypeResolver.MessageCallback callback)

Infers the expected input mule event type MuleEventMetadataType for specified output type with the given script.

Parameters:

expression - The scripting text.

output - The expected output type

builder - The builder to be used to build the event type

callback - The callback

getOutputType

MetadataType getOutputType(MuleEventMetadataType input,
                           String expression,
                           ExpressionLanguageMetadataTypeResolver.MessageCallback callback)

Returns the result type expression when invoked with the given MuleEventMetadataType.

Parameters:

input - The input type

expression - The scripting text.

callback - The callback

Returns:

The return type of the expression.