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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.xml.ws;
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/**
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* <p>Service endpoints may implement the <code>Provider</code>
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* interface as a dynamic alternative to an SEI.
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*
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* <p>Implementations are required to support <code>Provider<Source></code>,
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* <code>Provider<SOAPMessage></code> and
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* <code>Provider<DataSource></code>, depending on the binding
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* in use and the service mode.
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*
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* <p>The <code>ServiceMode</code> annotation can be used to control whether
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* the <code>Provider</code> instance will receive entire protocol messages
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* or just message payloads.
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*
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* @since JAX-WS 2.0
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*
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* @see javax.xml.transform.Source
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* @see javax.xml.soap.SOAPMessage
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* @see javax.xml.ws.ServiceMode
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**/
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public interface Provider<T> {
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/** Invokes an operation occording to the contents of the request
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* message.
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*
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* @param request The request message or message payload.
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* @return The response message or message payload. May be <code>null</code> if
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there is no response.
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* @throws WebServiceException If there is an error processing request.
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* The cause of the <code>WebServiceException</code> may be set to a subclass
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* of <code>ProtocolException</code> to control the protocol level
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* representation of the exception.
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* @see javax.xml.ws.handler.MessageContext
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* @see javax.xml.ws.ProtocolException
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**/
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public T invoke(T request);
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}
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