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package org.glassfish.jersey.server.spi;

import org.glassfish.hk2.api.ServiceLocator;

/**
 * This is to allow integration with other DI providers that
 * define their own request scope. Any such provider should implement
 * this to properly open/finish the scope.
 * 

* An implementation must be registered via META-INF/services mechanism. * Only one implementation will be utilized during runtime. * If more than one implementation is registered, no one will get used and * an error message will be logged out. *

* * @param external request context type * @author Jakub Podlesak (jakub.podlesak at oracle.com) * @since 2.15 */ public interface ExternalRequestScope extends AutoCloseable { /** * Invoked when a new request gets started. * Returned context data will be retained * by Jersey runtime for the whole request life-span. * * @param locator HK2 service locator * @return external request context data */ public ExternalRequestContext open(ServiceLocator locator); /** * Suspend request associated with provided context. * This will be called within the very same thread as previous open or resume call * corresponding to the actual context. * * @param c external request context * @param locator HK2 service locator */ public void suspend(ExternalRequestContext c, ServiceLocator locator); /** * Resume request associated with provided context. * The external request context instance should have been * previously suspended. * * @param c external request context * @param locator HK2 service locator */ public void resume(ExternalRequestContext c, ServiceLocator locator); /** * Finish the actual request. This method will be called * following previous open method call on the very same thread * or after open method call followed by (several) suspend/resume invocations, * where the last resume call has been invoked on the same thread * as the final close method invocation. */ @Override public void close(); }




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