http://www.jboss.org/undertow-parent/undertow-servlet: Undertow (JBoss by Red Hat) 
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 *
 *     http://www.apache.org/licenses/LICENSE-2.0
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package io.undertow.servlet.api;


A handle for a container managed instance. When the servlet container is done with it it should call the release() method 
Author:Stuart Douglas
/**
 * A handle for a container managed instance. When the servlet container is
 * done with it it should call the {@link #release()} method
 *
 * @author Stuart Douglas
 */
public interface InstanceHandle<T> {

    
Returns:The managed instance
/**
     * @return The managed instance
     *
     */
    T getInstance();

    
releases the instance, uninjecting and calling an pre-destroy methods as appropriate

/**
     * releases the instance, uninjecting and calling an pre-destroy methods as appropriate
     */
    void release();

}