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/*
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 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.hk2.utilities.reflection;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Set;

/**
 * An interface representing useful reflection utilities
 * 
 * @author jwells
 */
public interface ClassReflectionHelper {
    
    /**
     * Gets all methods for a class (taking class heirarchy into account)
     * 
     * @param clazz The class to analyze for all methods
     * @return The set of all methods on this class (and all subclasses)
     */
    public Set getAllMethods(Class clazz);
    
    /**
     * Gets all fields for a class (taking class heirarchy into account)
     * 
     * @param clazz The class to analyze for all fields
     * @return The set of all fields on this class (and all subclasses)
     */
    public Set getAllFields(Class clazz);
    
    /**
     * Finds the postConstruct method on this class
     * 
     * @param clazz The class to check for the postConstruct method
     * @param matchingClass The PostConstruct interface, a small performance improvement
     * @return A matching method, or null if none can be found
     * @throws IllegalArgumentException If a method marked as postConstruct is invalid
     */
    public Method findPostConstruct(Class clazz, Class matchingClass) throws IllegalArgumentException;
    
    /**
     * Finds the preDestroy method on this class
     * 
     * @param clazz The class to check for the postConstruct method
     * @param matchingClass The PostConstruct interface, a small performance improvement
     * @return A matching method, or null if none can be found
     * @throws IllegalArgumentException If a method marked as postConstruct is invalid
     */
    public Method findPreDestroy(Class clazz, Class matchingClass) throws IllegalArgumentException;
    
    /**
     * Removes this class (and all appropriate sub-classes) from the cache
     * 
     * @param clazz The class to remove.  If null this method does nothing
     */
    public void clean(Class clazz);
    
    /**
     * Releases the entire cache
     */
    public void dispose();

}