metadata.xsd

<?xml version="1.0" encoding="utf-8"?>

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<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:simpleType name="periodType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="beginChunk" />
      <xs:enumeration value="endChunk" />
      <xs:enumeration value="everyChunk" />
    </xs:restriction>
  </xs:simpleType>
    <xs:simpleType name="transitionType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="from" />
      <xs:enumeration value="to" />
    </xs:restriction>
  </xs:simpleType> 
  <xs:element name="Metadata">
    <xs:complexType>
      <xs:sequence>
        <xs:choice maxOccurs="unbounded">
          <xs:element maxOccurs="unbounded" name="Event">
            <xs:complexType>
              <xs:sequence>
                <xs:element maxOccurs="unbounded" name="Field">
                  <xs:complexType>
                    <xs:attribute name="type" type="xs:NMTOKEN" use="required" />
                    <xs:attribute name="struct" type="xs:boolean" use="optional" />
                    <xs:attribute name="array" type="xs:boolean" use="optional" />
                    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
                    <xs:attribute name="label" type="xs:string" use="required" />
                    <xs:attribute name="description" type="xs:string" use="optional" />
                    <xs:attribute name="contentType" type="xs:string" use="optional" />
                    <xs:attribute name="relation" type="xs:string" use="optional" />
                    <xs:attribute name="experimental" type="xs:boolean" use="optional" />
                    <xs:attribute name="transition" type="transitionType" use="optional" />
                  </xs:complexType>
                </xs:element>
              </xs:sequence>
              <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
              <xs:attribute name="category" type="xs:string" use="required" />
              <xs:attribute name="label" type="xs:string" use="required" />
              <xs:attribute name="description" type="xs:string" use="optional" />
              <xs:attribute name="experimental" type="xs:boolean" use="optional" />
              <xs:attribute name="thread" type="xs:boolean" use="optional" />
              <xs:attribute name="startTime" type="xs:boolean" use="optional" />
              <xs:attribute name="stackTrace" type="xs:boolean" use="optional" />
              <xs:attribute name="period" type="periodType" use="optional" />
              <xs:attribute name="cutoff" type="xs:boolean" use="optional" />
            </xs:complexType>
          </xs:element>
          <xs:element maxOccurs="unbounded" name="Type">
            <xs:complexType>
              <xs:sequence>
                <xs:element maxOccurs="unbounded" name="Field">
                  <xs:complexType>
                    <xs:attribute name="type" type="xs:NMTOKEN" use="required" />
                    <xs:attribute name="struct" type="xs:boolean" use="optional" />
                    <xs:attribute name="array" type="xs:boolean" use="optional" />
                    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
                    <xs:attribute name="contentType" type="xs:string" use="optional" />
                    <xs:attribute name="label" type="xs:string" use="required" />
                    <xs:attribute name="description" type="xs:string" use="optional" />
                    <xs:attribute name="experimental" type="xs:boolean" use="optional" />
                    <xs:attribute name="relation" type="xs:string" use="optional" />
                  </xs:complexType>
                </xs:element>
              </xs:sequence>
              <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
              <xs:attribute name="label" type="xs:string" use="optional" />
              <xs:attribute name="experimental" type="xs:boolean" use="optional" />
            </xs:complexType>
          </xs:element>
          <xs:element name="XmlType">
            <xs:complexType>
              <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
              <xs:attribute name="contentType" type="xs:NMTOKEN" use="optional" />
              <xs:attribute name="javaType" type="xs:NMTOKEN" use="optional" />
              <xs:attribute name="unsigned" type="xs:boolean" use="optional" />
              <xs:attribute name="parameterType" type="xs:string" use="required" />
              <xs:attribute name="fieldType" type="xs:string" use="required" />
             </xs:complexType>
          </xs:element>
          <xs:element name="XmlContentType">
            <xs:complexType>
              <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
              <xs:attribute name="annotation" type="xs:string" use="required" />
            </xs:complexType>
          </xs:element>
          <xs:element name="Relation">
            <xs:complexType>
              <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
            </xs:complexType>
          </xs:element>
        </xs:choice>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
</xs:schema>