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 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package com.sun.xml.internal.ws.api.model.wsdl;

import com.sun.xml.internal.ws.api.model.wsdl.WSDLExtensible;
import com.sun.istack.internal.NotNull;
import com.sun.istack.internal.Nullable;

import javax.xml.namespace.QName;

/**
 * Provides abstraction of wsdl:portType/wsdl:operation.
 *
 * @author Vivek Pandey
 */
public interface WSDLOperation extends WSDLObject, WSDLExtensible {
    /**
     * Gets the name of the wsdl:portType/wsdl:operation@name attribute value as local name and wsdl:definitions@targetNamespace
     * as the namespace uri.
     */
    @NotNull QName getName();

    /**
     * Gets the wsdl:input of this operation
     */
    @NotNull WSDLInput getInput();

    /**
     * Gets the wsdl:output of this operation.
     *
     * @return
     *      null if this is an one-way operation.
     */
    @Nullable WSDLOutput getOutput();

    /**
     * Returns true if this operation is an one-way operation.
     */
    boolean isOneWay();

    /**
     * Gets the {@link WSDLFault} corresponding to wsdl:fault of this operation.
     */
    Iterable<? extends WSDLFault> getFaults();

    /**
     * Gives {@link WSDLFault} for the given soap fault detail value.
     *
     * <pre>
     *
     * Given a wsdl fault:
     *
     * &lt;wsdl:message nae="faultMessage">
     *  &lt;wsdl:part name="fault" element="<b>ns:myException</b>/>
     * &lt;/wsdl:message>
     *
     * &lt;wsdl:portType>
     *  &lt;wsdl:operation ...>
     *      &lt;wsdl:fault name="aFault" message="faultMessage"/>
     *  &lt;/wsdl:operation>
     * &lt;wsdl:portType>
     *
     *
     * For example given a soap 11 soap message:
     *
     * &lt;soapenv:Fault>
     *      ...
     *      &lt;soapenv:detail>
     *          &lt;<b>ns:myException</b>>
     *              ...
     *          &lt;/ns:myException>
     *      &lt;/soapenv:detail>
     *
     * QName faultQName = new QName(ns, "myException");
     * WSDLFault wsdlFault  = getFault(faultQName);
     *
     * The above call will return a WSDLFault that abstracts wsdl:portType/wsdl:operation/wsdl:fault.
     *
     * </pre>
     *
     * @param faultDetailName tag name of the element inside soaenv:Fault/detail/, must be non-null.
     * @return returns null if a wsdl fault corresponding to the detail entry name not found.
     */
    @Nullable WSDLFault getFault(QName faultDetailName);

    /**
     * Gives the enclosing wsdl:portType@name attribute value.
     */
    @NotNull QName getPortTypeName();

    /**
     * Returns parameter order
     * @return Parameter order
     */
    public String getParameterOrder();
}
