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package org.glassfish.persistence.ejb.entitybean.container.distributed;

/**
 * ReadOnlyBeanRefreshEventHandler defines the methods that can be used to 
 *  implement a distributed ReadOnly beans. An instance of 
 *  ReadOnlyBeanRefreshEventHandler is used to handle requests received from
 *  other server instances. An instance of  DistributedReadOnlyBeanNotifier is used to
 *  notify other server instances.
 *  
 * @author Mahesh Kannan
 * @see DistributedReadOnlyBeanService
 */
public interface ReadOnlyBeanRefreshEventHandler {

    /**
     * Called from DistributedReadOnlyBeanServiceImpl before de-serializing
     *  the bean's pk
     * @return the application class loader
     */
    public ClassLoader getClassLoader();
    
    /**
     * Called from DistributedReadOnlyBeanServiceImpl when a refresh message
     *  arrives at this instance
     * @param pk the primary key that needs to be refreshed
     */
    public void handleRefreshRequest(Object pk);
    
    /**
     * Called from DistributedReadOnlyBeanServiceImpl when a refreshAll message
     *  arrives at this instance
     */
    public void handleRefreshAllRequest();
    
}




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