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package org.glassfish.apf;
import java.util.Map;
import java.lang.annotation.Annotation;
/**
* This interface defines the result of an annotation processing
* returned by an annotation handler. Annotation handlers are supposed
* to handle ONE annotation at a time. However, this simplistic
* approach does not always work as annotations on a element can have
* interdependencies.
*
* This could be resolved trough sophisticated caching in the context
* for instance but it is usually easier to notify the processor that
* a particular annotation handler has processed more than one annotation
* (which shouldn't be reprocessed subsequently...)
*
* @author Jerome Dochez
*/
public interface HandlerProcessingResult {
/**
* Returns a map of annotation types processed by this handler as keys
* and a ResultType as a value to communicate the result of the annotation
* processing for each processed annotation types.
* @return the map of processed annoation types and result.
*/
public Map<Class<? extends Annotation>,ResultType> processedAnnotations();
/**
* @return the overall result for this handler processing. Since handlers
* can process more than one annotation, this overall result will contain
* the most severe error the haandler encountered while processing the
* annotations.
*/
public ResultType getOverallResult();
}