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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://lucene.apache.org/nutch"
xmlns="http://lucene.apache.org/nutch"
elementFormDefault="qualified">
<xs:element name="writers">
<xs:annotation>
<xs:documentation>
Root tag of index-writers.xml document. It's a wrapper for the all index writers.
</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element name="writer" type="writerType" maxOccurs="unbounded" minOccurs="1">
<xs:annotation>
<xs:documentation>
Contains all the configuration of a particular index writer.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:complexType name="writerType">
<xs:sequence>
<xs:element type="parametersType" name="parameters" maxOccurs="1" minOccurs="1">
<xs:annotation>
<xs:documentation>
This tag contains all the parameters that will be passed to the index writer implementation.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element type="mappingType" name="mapping" maxOccurs="1" minOccurs="1">
<xs:annotation>
<xs:documentation>
It's a wrapper for the allowed actions over a document before it's indexed.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute type="xs:string" name="id" use="required">
<xs:annotation>
<xs:documentation>
Writer's ID.
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute type="xs:string" name="class" use="required">
<xs:annotation>
<xs:documentation>
The class of the index writer implementation which will be used.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="parametersType">
<xs:sequence>
<xs:element type="parameterType" name="param" maxOccurs="unbounded" minOccurs="1">
<xs:annotation>
<xs:documentation>
One single parameter that will be pass to the index writer implementation.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="parameterType">
<xs:attribute type="xs:string" name="name" use="required">
<xs:annotation>
<xs:documentation>
Parameter's name. It is used to identify the parameter.
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute type="xs:string" name="value" use="required">
<xs:annotation>
<xs:documentation>
Parameter's value.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="mappingType">
<xs:sequence>
<xs:element type="fieldsType" name="copy" maxOccurs="1" minOccurs="1">
<xs:annotation>
<xs:documentation>
Action of copy fields. Multiple comma-separated targets can be specified.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element type="fieldsType" name="rename" maxOccurs="1" minOccurs="1">
<xs:annotation>
<xs:documentation>
Action of rename fields.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="remove" maxOccurs="1" minOccurs="1">
<xs:annotation>
<xs:documentation>
Action of remove fields.
</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element name="field" maxOccurs="unbounded" minOccurs="0">
<xs:annotation>
<xs:documentation>
One single field that will be mapped.
</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute type="xs:string" name="source" use="required">
<xs:annotation>
<xs:documentation>
Field's name before it's mapped.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="fieldsType">
<xs:sequence>
<xs:element type="fieldType" name="field" maxOccurs="unbounded" minOccurs="0">
<xs:annotation>
<xs:documentation>
One single field that will be mapped.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="fieldType">
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute type="xs:string" name="source" use="required">
<xs:annotation>
<xs:documentation>
Field's name before it's mapped.
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute type="xs:string" name="dest" use="required">
<xs:annotation>
<xs:documentation>
Field's name after the action is applied.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:schema>