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package javax.ejb.spi;

import java.util.Map;
import javax.ejb.embeddable.EJBContainer;
import javax.ejb.EJBException;

/**
 * The EJBContainerProvider SPI is used by the embeddable container bootstrap
 * class to initialize a suitable embeddable container.
 *
 * @since EJB 3.1
 */
public interface EJBContainerProvider {

    /**
     * Called by the embeddable container bootstrap process to find a
     * suitable embeddable container implementation.  An embeddable
     * container provider may deem itself as appropriate for the
     * embeddable application if any of the following are true :
     * 
     * 
     * 
     *   The javax.ejb.embeddable.provider property was
     *   included in the Map passed to createEJBContainer
     *   and the value of the property is the provider's
     *   implementation class.
     *
     * 

     *   No javax.ejb.embeddable.provider property was specified.
     *
     *
     * If a provider does not qualify as the provider for the
     * embeddable application, it must return null.
     *
     * @param properties Spec-defined and/or vendor-specific
     * properties, that were passed to javax.ejb.embeddable.EJBContainer#createEJBContainer(Map<?,?>) call
     * 
     * @return EJBContainer instance or null
     */
    public EJBContainer createEJBContainer(Map properties) throws EJBException;

}