120 lines
5.4 KiB
XML
120 lines
5.4 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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~ Copyright The WildFly Authors
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~ SPDX-License-Identifier: Apache-2.0
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-->
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<xs:schema targetNamespace="urn:jboss:domain:singleton:1.0"
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xmlns:xs="http://www.w3.org/2001/XMLSchema"
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xmlns:tns="urn:jboss:domain:singleton:1.0"
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elementFormDefault="qualified"
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attributeFormDefault="unqualified"
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version="1.0">
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<xs:element name="subsystem" type="tns:subsystem"/>
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<xs:complexType name="subsystem">
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<xs:sequence>
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<xs:element name="singleton-policies" type="tns:singleton-policies">
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<xs:annotation>
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<xs:documentation>Enumerates the singleton policies supported by this subsystem.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:sequence>
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</xs:complexType>
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<xs:complexType name="singleton-policies">
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<xs:sequence>
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<xs:element name="singleton-policy" type="tns:singleton-policy" maxOccurs="unbounded">
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<xs:annotation>
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<xs:documentation>Defines a singleton policy</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:sequence>
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<xs:attribute name="default" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>Identifies the default singleton deployment policy of the server.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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<xs:complexType name="singleton-policy">
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<xs:choice>
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<xs:element name="random-election-policy" type="tns:random-election-policy">
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<xs:annotation>
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<xs:documentation>Defines a election policy that chooses a random member on which a given application will be deployed.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="simple-election-policy" type="tns:simple-election-policy">
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<xs:annotation>
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<xs:documentation>Defines a election policy that chooses a specific member (indicated by position) on which a given application will be deployed.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:choice>
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<xs:attribute name="name" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>The name of this singleton policy.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="cache-container" type="xs:string" use="required">
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<xs:annotation>
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<xs:documentation>Identifies the cache-container used to back the singleton deployment policy.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="cache" type="xs:string">
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<xs:annotation>
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<xs:documentation>
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Identifies the cache within the given cache container used to back the singleton deployment policy.
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If undefined, the default-cache of the specified cache container will be used.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="quorum" type="xs:integer" default="1">
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<xs:annotation>
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<xs:documentation>Defines the minimum number of group members required before a singleton election will run.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:complexType>
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<xs:complexType name="simple-election-policy">
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<xs:complexContent>
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<xs:extension base="tns:election-policy">
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<xs:attribute name="position" type="xs:integer" default="0">
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<xs:annotation>
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<xs:documentation>
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Indicates the index of the node to be elected from a list of candidates sorted by descending age.
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0 would indicate the oldest node, 1 the second oldest, etc. Whereas -1 indicates the youngest node, -2 the second youngest, etc.
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If the specified position exceeds the number of candidates, a modulus operation is applied.
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:complexType name="random-election-policy">
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<xs:complexContent>
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<xs:extension base="tns:election-policy"/>
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</xs:complexContent>
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</xs:complexType>
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<xs:complexType name="election-policy" abstract="true">
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<xs:choice minOccurs="0">
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<xs:element name="name-preferences" type="tns:list">
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<xs:annotation>
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<xs:documentation>Defines an order list of nodes, identified by name, to which to prefer when electing a new singleton provider.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="socket-binding-preferences" type="tns:list">
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<xs:annotation>
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<xs:documentation>Defines an order list of nodes, identified by outbound socket binding, to which to prefer when electing a new singleton provider.</xs:documentation>
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</xs:annotation>
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</xs:element>
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</xs:choice>
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</xs:complexType>
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<xs:simpleType name="list">
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<xs:list itemType="xs:token"/>
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</xs:simpleType>
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</xs:schema>
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