<!--
    License information for this file is provided in LICENSE.TXT
    For support, more information, or to report implementation bugs, 
    please contact the Open Applications Group at xml@openapplications.org 
     
    ** Revision: 8.0 **
    ** Date: 05 April 2002 **
    Open Applications Group XSD
    Copyright 1998-2002, All Rights Reserved
    
    Name: Verbs/Verb.xsd
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://www.openapplications.org/oagis" targetNamespace="http://www.openapplications.org/oagis" elementFormDefault="qualified" attributeFormDefault="unqualified">
        <xs:include schemaLocation="VerbBase.xsd"/>
        <xs:simpleType name="ConfirmType">
                <xs:restriction base="xs:NMTOKEN">
                        <xs:enumeration value="Always"/>
                        <xs:enumeration value="OnChange"/>
                        <xs:enumeration value="Never"/>
                </xs:restriction>
        </xs:simpleType>
        <xs:complexType name="ConfirmableVerb">
                <xs:complexContent>
                        <xs:extension base="Verb">
                                <xs:attribute name="confirm" type="ConfirmType"/>
                        </xs:extension>
                </xs:complexContent>
        </xs:complexType>
        <xs:complexType name="AcknowledgableVerb" abstract="true">
                <xs:complexContent>
                        <xs:extension base="ConfirmableVerb">
                                <xs:attribute name="acknowledge" type="AcknowledgementType"/>
                        </xs:extension>
                </xs:complexContent>
        </xs:complexType>
        <xs:simpleType name="AcknowledgementType">
                <xs:restriction base="xs:NMTOKEN">
                        <xs:enumeration value="Always"/>
                        <xs:enumeration value="OnChange"/>
                        <xs:enumeration value="Never"/>
                </xs:restriction>
        </xs:simpleType>
<!-- These are used in Verbs and not in Nouns, they too, should go out of the noun space -->
        <xs:complexType name="ExpressionCriteria">
                <xs:sequence>
                        <xs:element name="SelectExpression" type="Expression" maxOccurs="unbounded">
                                <xs:annotation>
                                        <xs:documentation source="http://www.openapplications.org/oagis">Allows the 1-n number of selection expressions for the information to be returned.</xs:documentation>
                                </xs:annotation>
                        </xs:element>
                </xs:sequence>
                <xs:attribute name="expressionLanguage" type="xs:string" use="optional" default="XPath"/>
        </xs:complexType>
        <xs:simpleType name="Expression">
                <xs:restriction base="xs:string"/>
        </xs:simpleType>
        <xs:complexType name="RequestVerb">
                <xs:complexContent>
                        <xs:extension base="ConfirmableVerb">
                                <xs:sequence>
                                        <xs:element name="ReturnCriteria">
                                                <xs:annotation>
                                                        <xs:documentation source="http://www.openapplications.org/oagis">Allows the initator of the BOD to indicate the information (down to the field level) that is requested to be returned. The expressionLanguage indicates the expression language being used.</xs:documentation>
                                                </xs:annotation>
                                                <xs:complexType>
                                                        <xs:complexContent>
                                                                <xs:extension base="ExpressionCriteria"/>
                                                        </xs:complexContent>
                                                </xs:complexType>
                                        </xs:element>
                                </xs:sequence>
                        </xs:extension>
                </xs:complexContent>
        </xs:complexType>
</xs:schema>

• AcknowledgableVerb
• ConfirmableVerb
• ExpressionCriteria
• RequestVerb

• AcknowledgementType
• ConfirmType
• Expression