statecontextlookup.java

mina是以Java实现的一个开源的网络程序框架

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package org.apache.mina.statemachine.context;

import org.apache.mina.statemachine.event.Event;

/**
 * Lookups a {@link StateContext} from a collection of event arguments.
 *
 * @author The Apache MINA Project ([e-mail])
 * @version $Rev: 593479 $, $Date: 2007-11-09 11:21:35 +0100 (Fri, 09 Nov 2007) $
 */
public interface StateContextLookup {
    /**
     * Searches the arguments from an {@link Event} and returns a 
     * {@link StateContext} if any of the arguments holds one. NOTE! This method
     * must create a new {@link StateContext} if a compatible object is in
     * the arguments and the next time that same object is passed to this
     * method the same {@link StateContext} should be returned.
     */
    StateContext lookup(Object[] eventArgs);
}