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• StickyFeature.java

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * file that accompanied this code.
 *
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package com.sun.xml.ws.api.ha;


/**
 * Provides a way to tell the runtime about stickiness of requests. In a
 * HA environment, a client's requests need to land on the same instance so
 * that a {@link org.glassfish.ha.store.api.BackingStore} entry for a key is
 * accessed/modified from the same instance.
 *
 * 

 * A web service feature may implement this interface. JAX-WS runtime
 * checks if any feature needs stickiness of requests, and if HA is configured
 * ({@link HighAvailabilityProvider#isHaEnvironmentConfigured()}), it will take
 * an appropriate action. For example, in servlet transport, it would create
 * JSESSIONID cookie so that a typical loadbalancer would stick the subsequent
 * client requests to the same instance.
 * 
 * @author Jitendra Kotamraju
 * @since JAX-WS RI 2.2.2
 */
public interface StickyFeature {
}