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package com.sun.grizzly;

import com.sun.grizzly.Controller.Protocol;

/**
 * A ComplexSelectorHandler handles all java.nio.channels.Selector operations
 * similar way {@link SelectorHandler} does.
 * But can work with several {@link Controller.Protocol}s at the same time.
 *
 * @author Alexey Stashok
 */
public interface ComplexSelectorHandler extends SelectorHandler {
    
    /**
     * Checks if protocol is supported by RoundRobinSelectorHandler
     *
     * @param protocol Network protocol name
     * @return true if protocol is supported, false otherwise
     */
    public boolean supportsProtocol(Protocol protocol);

    /**
     * Checks if given {@link SelectorHandler} is supported on client-side by RoundRobinSelectorHandler
     *
     * @param selectorHandler {@link SelectorHandler}
     * @return true if selectorHandler is supported, false otherwise
     */
    public boolean supportsClient(SelectorHandler selectorHandler);

    /**
     * Return next aux. ReadController to process an accepted connection
     *
     * @return next aux. {@link ReadController}
     */
    public ReadController nextController();
}