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 * Licensed to the Apache Software Foundation (ASF) under one   *
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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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package org.apache.james.protocols.api.handler;

import java.util.LinkedList;

/**
 * Chain which can be used to get all Handlers for a given Class.
 *
 */
public interface ProtocolHandlerChain {

    /**
     * Returns a list of handler of the requested type.
     * @param <T>
     * 
     * @param type the type of handler we're interested in
     * @return a List of handlers
     */
    <T> LinkedList<T> getHandlers(Class<T> type);
    
    /**
     * Destroy the {@link ProtocolHandlerChain}. After this call it will not be usable anymore
     */
    void destroy();

}