client/src/main/resources/oozie-workflow-0.3.xsd

<?xml version="1.0" encoding="UTF-8"?>
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  to you 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
  
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:workflow="uri:oozie:workflow:0.3"
           elementFormDefault="qualified" targetNamespace="uri:oozie:workflow:0.3">

    <xs:element name="workflow-app" type="workflow:WORKFLOW-APP"/>

    <xs:simpleType name="IDENTIFIER">
        <xs:restriction base="xs:string">
            <xs:pattern value="([a-zA-Z_]([\-_a-zA-Z0-9])*){1,39}"/>
        </xs:restriction>
    </xs:simpleType>

    <xs:complexType name="WORKFLOW-APP">
        <xs:sequence>
        	<xs:element name="credentials" type="workflow:CREDENTIALS" minOccurs="0" maxOccurs="1"/>
            <xs:element name="start" type="workflow:START" minOccurs="1" maxOccurs="1"/>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
                <xs:element name="decision" type="workflow:DECISION" minOccurs="1" maxOccurs="1"/>
                <xs:element name="fork" type="workflow:FORK" minOccurs="1" maxOccurs="1"/>
                <xs:element name="join" type="workflow:JOIN" minOccurs="1" maxOccurs="1"/>
                <xs:element name="kill" type="workflow:KILL" minOccurs="1" maxOccurs="1"/>
                <xs:element name="action" type="workflow:ACTION" minOccurs="1" maxOccurs="1"/>
            </xs:choice>
            <xs:element name="end" type="workflow:END" minOccurs="1" maxOccurs="1"/>
            <xs:any namespace="uri:oozie:sla:0.1" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="name" type="xs:string" use="required"/>
    </xs:complexType>

    <xs:complexType name="START">
        <xs:attribute name="to" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:complexType name="END">
        <xs:attribute name="name" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:complexType name="DECISION">
        <xs:sequence>
            <xs:element name="switch" type="workflow:SWITCH" minOccurs="1" maxOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="name" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:element name="switch" type="workflow:SWITCH"/>

    <xs:complexType name="SWITCH">
        <xs:sequence>
            <xs:sequence>
                <xs:element name="case" type="workflow:CASE" minOccurs="1" maxOccurs="unbounded"/>
                <xs:element name="default" type="workflow:DEFAULT" minOccurs="1" maxOccurs="1"/>
            </xs:sequence>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="CASE">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute name="to" type="workflow:IDENTIFIER" use="required"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="DEFAULT">
        <xs:attribute name="to" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:complexType name="FORK_TRANSITION">
        <xs:attribute name="start" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:complexType name="FORK">
        <xs:sequence>
            <xs:element name="path" type="workflow:FORK_TRANSITION" minOccurs="2" maxOccurs="unbounded"/>
        </xs:sequence>
        <xs:attribute name="name" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:complexType name="JOIN">
        <xs:attribute name="name" type="workflow:IDENTIFIER" use="required"/>
        <xs:attribute name="to" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:element name="kill" type="workflow:KILL"/>

    <xs:complexType name="KILL">
        <xs:sequence>
            <xs:element name="message" type="xs:string" minOccurs="1" maxOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="name" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:complexType name="ACTION_TRANSITION">
        <xs:attribute name="to" type="workflow:IDENTIFIER" use="required"/>
    </xs:complexType>

    <xs:element name="map-reduce" type="workflow:MAP-REDUCE"/>
    <xs:element name="pig" type="workflow:PIG"/>
    <xs:element name="sub-workflow" type="workflow:SUB-WORKFLOW"/>
    <xs:element name="fs" type="workflow:FS"/>
    <xs:element name="java" type="workflow:JAVA"/>

    <xs:complexType name="ACTION">
        <xs:sequence>
            <xs:choice minOccurs="1" maxOccurs="1">
                <xs:element name="map-reduce" type="workflow:MAP-REDUCE" minOccurs="1" maxOccurs="1"/>
                <xs:element name="pig" type="workflow:PIG" minOccurs="1" maxOccurs="1"/>
                <xs:element name="sub-workflow" type="workflow:SUB-WORKFLOW" minOccurs="1" maxOccurs="1"/>
                <xs:element name="fs" type="workflow:FS" minOccurs="1" maxOccurs="1"/>
                <xs:element name="java" type="workflow:JAVA" minOccurs="1" maxOccurs="1"/>
                <xs:any namespace="##other" minOccurs="1" maxOccurs="1"/>
            </xs:choice>
            <xs:element name="ok" type="workflow:ACTION_TRANSITION" minOccurs="1" maxOccurs="1"/>
            <xs:element name="error" type="workflow:ACTION_TRANSITION" minOccurs="1" maxOccurs="1"/>
            <xs:any namespace="uri:oozie:sla:0.1" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="name" type="workflow:IDENTIFIER" use="required"/>
        <xs:attribute name="cred" type="xs:string"/>
        <xs:attribute name="retry-max" type="xs:string"/>
        <xs:attribute name="retry-interval" type="xs:string"/>
    </xs:complexType>

    <xs:complexType name="MAP-REDUCE">
        <xs:sequence>
            <xs:element name="job-tracker" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="name-node" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="prepare" type="workflow:PREPARE" minOccurs="0" maxOccurs="1"/>
            <xs:choice minOccurs="0" maxOccurs="1">
                <xs:element name="streaming" type="workflow:STREAMING" minOccurs="0" maxOccurs="1"/>
                <xs:element name="pipes" type="workflow:PIPES" minOccurs="0" maxOccurs="1"/>
            </xs:choice>
            <xs:element name="job-xml" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="configuration" type="workflow:CONFIGURATION" minOccurs="0" maxOccurs="1"/>
            <xs:element name="file" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="archive" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="PIG">
        <xs:sequence>
            <xs:element name="job-tracker" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="name-node" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="prepare" type="workflow:PREPARE" minOccurs="0" maxOccurs="1"/>
            <xs:element name="job-xml" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="configuration" type="workflow:CONFIGURATION" minOccurs="0" maxOccurs="1"/>
            <xs:element name="script" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="param" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="argument" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="file" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="archive" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="SUB-WORKFLOW">
        <xs:sequence>
            <xs:element name="app-path" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="propagate-configuration" type="workflow:FLAG" minOccurs="0" maxOccurs="1"/>
            <xs:element name="configuration" type="workflow:CONFIGURATION" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="FS">
	<xs:choice minOccurs="0" maxOccurs="unbounded">
            <xs:element name="delete" type="workflow:DELETE"/>
            <xs:element name="mkdir" type="workflow:MKDIR"/>
            <xs:element name="move" type="workflow:MOVE"/>
            <xs:element name="chmod" type="workflow:CHMOD"/>
        </xs:choice>
    </xs:complexType>

    <xs:complexType name="JAVA">
        <xs:sequence>
            <xs:element name="job-tracker" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="name-node" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="prepare" type="workflow:PREPARE" minOccurs="0" maxOccurs="1"/>
            <xs:element name="job-xml" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="configuration" type="workflow:CONFIGURATION" minOccurs="0" maxOccurs="1"/>
            <xs:element name="main-class" type="xs:string" minOccurs="1" maxOccurs="1"/>
            <xs:element name="java-opts" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="arg" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="file" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="archive" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="capture-output" type="workflow:FLAG" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="FLAG"/>

    <xs:complexType name="CONFIGURATION">
        <xs:sequence>
            <xs:element name="property" minOccurs="1" maxOccurs="unbounded">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="name" minOccurs="1" maxOccurs="1" type="xs:string"/>
                        <xs:element name="value" minOccurs="1" maxOccurs="1" type="xs:string"/>
                        <xs:element name="description" minOccurs="0" maxOccurs="1" type="xs:string"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="STREAMING">
        <xs:sequence>
            <xs:element name="mapper" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="reducer" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="record-reader" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="record-reader-mapping" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="env" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="PIPES">
        <xs:sequence>
            <xs:element name="map" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="reduce" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="inputformat" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="partitioner" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="writer" type="xs:string" minOccurs="0" maxOccurs="1"/>
            <xs:element name="program" type="xs:string" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="PREPARE">
        <xs:sequence>
            <xs:element name="delete" type="workflow:DELETE" minOccurs="0" maxOccurs="unbounded"/>
            <xs:element name="mkdir" type="workflow:MKDIR" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="DELETE">
        <xs:attribute name="path" type="xs:string" use="required"/>
    </xs:complexType>

    <xs:complexType name="MKDIR">
        <xs:attribute name="path" type="xs:string" use="required"/>
    </xs:complexType>

    <xs:complexType name="MOVE">
        <xs:attribute name="source" type="xs:string" use="required"/>
        <xs:attribute name="target" type="xs:string" use="required"/>
    </xs:complexType>

    <xs:complexType name="CHMOD">
        <xs:attribute name="path" type="xs:string" use="required"/>
        <xs:attribute name="permissions" type="xs:string" use="required"/>
        <xs:attribute name="dir-files" type="xs:string"/>
    </xs:complexType>
    
    <xs:complexType name="CREDENTIALS">             
        <xs:sequence minOccurs="0" maxOccurs="unbounded">
            <xs:element name="credential" type="workflow:CREDENTIAL"/>
		</xs:sequence>                
    </xs:complexType>
    
   	<xs:complexType name="CREDENTIAL">
        <xs:sequence  minOccurs="0" maxOccurs="unbounded" >
                   <xs:element name="property" minOccurs="1" maxOccurs="unbounded">
                	<xs:complexType>
	                    <xs:sequence>
	                        <xs:element name="name" minOccurs="1" maxOccurs="1" type="xs:string"/>
	                        <xs:element name="value" minOccurs="1" maxOccurs="1" type="xs:string"/>
	                        <xs:element name="description" minOccurs="0" maxOccurs="1" type="xs:string"/>
	                    </xs:sequence>
                	</xs:complexType>
           		</xs:element>
        </xs:sequence>
        <xs:attribute name="name" type="xs:string" use="required"/>
        <xs:attribute name="type" type="xs:string" use="required"/>
    </xs:complexType>
</xs:schema>