<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Copyright The WildFly Authors
  ~ SPDX-License-Identifier: Apache-2.0
  -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="urn:jboss:domain:datasources-agroal:2.0"
           xmlns="urn:jboss:domain:datasources-agroal:2.0" xmlns:credential-reference="urn:wildfly:credential-reference:1.1"
           elementFormDefault="qualified" version="1.0">

    <xs:import namespace="urn:wildfly:credential-reference:1.1" schemaLocation="wildfly-credential-reference_1_1.xsd"/>

    <xs:element name="subsystem" type="subsystemType"/>

    <xs:complexType name="subsystemType">
        <xs:annotation>
            <xs:documentation><![CDATA[ The configuration of the agroal subsystem ]]></xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
                <xs:element name="datasource" type="datasourceType">
                    <xs:annotation>
                        <xs:documentation><![CDATA[ A datasource ]]></xs:documentation>
                    </xs:annotation>
                </xs:element>
                <xs:element name="xa-datasource" type="xaDatasourceType">
                    <xs:annotation>
                        <xs:documentation><![CDATA[ A XA datasource ]]></xs:documentation>
                    </xs:annotation>
                </xs:element>
            </xs:choice>
            <xs:element name="drivers" type="driversType" minOccurs="0">
                <xs:annotation>
                    <xs:documentation><![CDATA[ List of available JDBC drivers ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <!-- common datasource attributes -->

    <xs:attributeGroup name="common-datasourceAttributes">
        <xs:attribute name="name" type="xs:token" use="required">
            <xs:annotation>
                <xs:documentation><![CDATA[ Name for the datasource (used for management) ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="jndi-name" type="xs:token" use="required">
            <xs:annotation>
                <xs:documentation><![CDATA[ JNDI name for the datasource ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="statistics-enabled" type="xs:boolean" default="false">
            <xs:annotation>
                <xs:documentation><![CDATA[ Enable statistics for this datasource ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:attributeGroup>

    <!-- datasource -->

    <xs:complexType name="datasourceType">
        <xs:all>
            <xs:element name="connection-factory" type="connectionFactoryType">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Configuration for the connection factory ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="connection-pool" type="connectionPoolType">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Configuration for the connection pool ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:all>
        <xs:attribute name="jta" type="xs:boolean" default="true">
            <xs:annotation>
                <xs:documentation><![CDATA[ Enable JTA integration ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="connectable" type="xs:boolean" default="false">
            <xs:annotation>
                <xs:documentation><![CDATA[ Enable CMR (Commit Markable Resource) functionality on this datasource ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attributeGroup ref="common-datasourceAttributes"/>
    </xs:complexType>

    <!-- xa-datasource -->

    <xs:complexType name="xaDatasourceType">
        <xs:all>
            <xs:element name="connection-factory" type="connectionFactoryType">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Configuration for the connection factory ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="connection-pool" type="connectionPoolType">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Configuration for the connection pool ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:all>
        <xs:attributeGroup ref="common-datasourceAttributes"/>
    </xs:complexType>

    <!-- connection-factory -->

    <xs:complexType name="connectionFactoryType">
        <xs:all>
            <xs:element name="connection-properties" type="connectionPropertiesType" minOccurs="0">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Properties for the JDBC driver ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="credential-reference" type="credential-reference:credentialReferenceType" minOccurs="0">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Access to credentials defined through CredentialStorage. Alternative to username / password. ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:all>
        <xs:attribute name="driver" type="xs:token" use="required">
            <xs:annotation>
                <xs:documentation><![CDATA[ Unique reference to the JDBC driver ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="url" type="xs:token">
            <xs:annotation>
                <xs:documentation><![CDATA[ JDBC driver connection URL (e.g. "jdbc:h2:tcp://localhost:1234") ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="transaction-isolation" type="transactionIsolationType">
            <xs:annotation>
                <xs:documentation><![CDATA[ Set the java.sql.Connection transaction isolation level to use ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="new-connection-sql" type="xs:token">
            <xs:annotation>
                <xs:documentation><![CDATA[ SQL statement to be executed on a connection after creation ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="username" type="xs:token">
            <xs:annotation>
                <xs:documentation><![CDATA[ Username to use for basic authentication with the database ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="password" type="xs:token">
            <xs:annotation>
                <xs:documentation><![CDATA[ Password to use for basic authentication with the database ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="authentication-context" type="xs:token">
            <xs:annotation>
                <xs:documentation><![CDATA[ Reference to a authentication context in Elytron. Alternative to username / password. ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>

    <xs:simpleType name="transactionIsolationType">
        <xs:annotation>
            <xs:documentation>
                <![CDATA[ Define constants used as the possible transaction isolation levels in transaction-isolation type ]>
                <![CDATA[ Include: NONE, READ_UNCOMMITTED, READ_COMMITTED, REPEATABLE_READ, SERIALIZABLE ]]>
            </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:token">
            <xs:enumeration value="NONE"/>
            <xs:enumeration value="READ_UNCOMMITTED"/>
            <xs:enumeration value="READ_COMMITTED"/>
            <xs:enumeration value="REPEATABLE_READ"/>
            <xs:enumeration value="SERIALIZABLE"/>
        </xs:restriction>
    </xs:simpleType>

    <!-- connection-factory features -->

    <xs:complexType name="connectionPropertiesType">
        <xs:sequence minOccurs="0" maxOccurs="unbounded">
            <xs:element name="property" type="connectionPropertyType">
                <xs:annotation>
                    <xs:documentation>
                        <![CDATA[ Properties to be passed to the JDBC driver when creating a connection ]]>
                    </xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="connectionPropertyType">
        <xs:attribute name="name" type="xs:token" use="required"/>
        <xs:attribute name="value" type="xs:token" use="required"/>
    </xs:complexType>

    <!-- connection-pool -->

    <xs:complexType name="connectionPoolType">
        <xs:attribute name="max-size" type="xs:nonNegativeInteger" use="required">
            <xs:annotation>
                <xs:documentation><![CDATA[ Maximum number of connections in the pool ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="min-size" type="xs:nonNegativeInteger">
            <xs:annotation>
                <xs:documentation><![CDATA[ Minimum number of connections the pool should hold ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="initial-size" type="xs:nonNegativeInteger">
            <xs:annotation>
                <xs:documentation><![CDATA[ Initial number of connections the pool should hold ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="blocking-timeout" type="xs:nonNegativeInteger" default="0">
            <xs:annotation>
                <xs:documentation>
                    <![CDATA[ Maximum time in milliseconds to block while waiting for a connection before throwing an exception ]]>
                    <![CDATA[ This will never throw an exception if creating a new connection takes an inordinately long period of time ]]>
                    <![CDATA[ Default is 0 meaning that a call will wait indefinitely ]]>
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="background-validation" type="xs:nonNegativeInteger">
            <xs:annotation>
                <xs:documentation>
                    <![CDATA[ Time in milliseconds between background validation runs ]]>
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="leak-detection" type="xs:nonNegativeInteger">
            <xs:annotation>
                <xs:documentation>
                    <![CDATA[ Time in milliseconds a connection has to be held before a leak warning ]]>
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="idle-removal" type="xs:nonNegativeInteger">
            <xs:annotation>
                <xs:documentation>
                    <![CDATA[ Time in minutes a connection has to be idle before it can be removed ]]>
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>

    <!-- drivers -->

    <xs:complexType name="driversType">
        <xs:sequence>
            <xs:element name="driver" type="driverType" minOccurs="0" maxOccurs="unbounded">
                <xs:annotation>
                    <xs:documentation><![CDATA[ Reference to a JDBC driver class ]]></xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="driverType">
        <xs:attribute name="name" type="xs:token" use="required">
            <xs:annotation>
                <xs:documentation><![CDATA[ Symbolic name of this JDBC driver (used to reference this driver) ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="module" type="xs:token" use="required">
            <xs:annotation>
                <xs:documentation><![CDATA[ Name of module providing this driver ]]></xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="class" type="xs:token">
            <xs:annotation>
                <xs:documentation>
                    <![CDATA[ Fully qualified name of the connection provider class (either java.sql.Driver class (e.g. "org.h2.Driver"), javax.sql.DataSource or javax.sql.XADataSource) ]]>
                    <![CDATA[ If this property is not set, the subsystem will try to load the driver using ServiceLoader ]]>
                    <![CDATA[ XADataSource is required for xa-datasource ]]>
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>

</xs:schema>
