001    /* ====================================================================
002     * The Apache Software License, Version 1.1
003     *
004     * Copyright (c) 2003 The Apache Software Foundation.  All rights
005     * reserved.
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008     * modification, are permitted provided that the following conditions
009     * are met:
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012     *    notice, this list of conditions and the following disclaimer.
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015     *    notice, this list of conditions and the following disclaimer in
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021     *       "This product includes software developed by the
022     *        Apache Software Foundation (http://www.apache.org/)."
023     *    Alternately, this acknowledgment may appear in the software itself,
024     *    if and wherever such third-party acknowledgments normally appear.
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055    package org.jpu.patterns.singleton.onePerContext;
056    
057    /**
058     * Interface that can optionally be implemented by a context for use
059     * with the {@link OnePerContextManager} facility.  Whenever a new
060     * One-Per-Context is instantiated, the context on whose behalf
061     * it was created may implement {@link IContext} to be notified of the
062     * instantiation via its {@link IContext#initialize} method.  Typically
063     * the context would proceed to do some sort of initialization on
064     * the the newly created One-Per-Context. 
065     * <p>
066     * A default implementation of this interface called {@link SimpleContext}
067     * is included, and provides default implementations of the 
068     * interface's methods.
069     */
070    public interface IContext {
071            public Object newInstance( IOnePerContextManager opcMgr );
072            public void initialize( IOnePerContextManager opcMgr, Object opc );
073    }
074