<?xml version="1.0" encoding="ISO-8859-1"?>
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 Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
-->

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
           targetNamespace="http://ws.apache.org/ns/synapse"
           xmlns="http://ws.apache.org/ns/synapse">

    <xs:include schemaLocation="../mediators.xsd"/>
    <xs:include schemaLocation="../../misc/common.xsd"/>

    <xs:element name="rule">
        <xs:annotation>
            <xs:documentation source="description">
                Processes an XML message by applying a set of rules. The processed message can be used as the new SOAP
                body, or it can be used to route the message or perform further processing.
            </xs:documentation>
        </xs:annotation>
        <xs:complexType>
            <xs:sequence>
                <xs:element name="ruleset" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="source" minOccurs="1" maxOccurs="1">
                                <xs:complexType>
                                    <xs:sequence>
                                        <xs:any minOccurs="0" maxOccurs="unbounded"/>
                                    </xs:sequence>
                                    <xs:attribute name="key" type="xs:string" use="optional"/>
                                </xs:complexType>
                            </xs:element>
                            <xs:element name="creation" minOccurs="1" maxOccurs="1">
                                <xs:complexType>
                                    <xs:sequence>
                                        <xs:element name="property" minOccurs="0" maxOccurs="unbounded">
                                            <xs:complexType>
                                                <xs:attribute name="name" type="xs:string" use="required"/>
                                                <xs:attribute name="value" type="xs:string" use="required"/>
                                            </xs:complexType>
                                        </xs:element>
                                    </xs:sequence>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
                <xs:element name="session" minOccurs="0" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:attribute name="type" use="optional">
                            <xs:simpleType>
                                <xs:restriction base="xs:string">
                                    <xs:enumeration value="stateless"/>
                                    <xs:enumeration value="stateful"/>
                                </xs:restriction>
                            </xs:simpleType>
                        </xs:attribute>
                    </xs:complexType>
                </xs:element>
                <xs:element name="facts" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="fact" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attributeGroup ref="nameValueOrExpression"/>
                                    <xs:attribute name="type" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
                <xs:element name="results" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="result" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attributeGroup ref="nameValueOrExpression"/>
                                    <xs:attribute name="type" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
                <xs:element name="childMediators" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:group ref="mediatorList" minOccurs="1" maxOccurs="unbounded"/>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

</xs:schema>