다음을 통해 공유


XmlSchemaUnique 클래스

정의

W3C(World Wide Web 컨소시엄)에서 지정한 대로 XML 스키마의 unique 요소를 나타냅니다. 이 클래스를 사용하여 요소 집합 간의 고유 제약 조건을 식별할 수 있습니다.

public ref class XmlSchemaUnique : System::Xml::Schema::XmlSchemaIdentityConstraint
public class XmlSchemaUnique : System.Xml.Schema.XmlSchemaIdentityConstraint
type XmlSchemaUnique = class
    inherit XmlSchemaIdentityConstraint
Public Class XmlSchemaUnique
Inherits XmlSchemaIdentityConstraint
상속

예제

다음 예제에서는 사용 된 XmlSchemaUnique 클래스입니다.

#using <System.Xml.dll>

using namespace System;
using namespace System::Xml;
using namespace System::Xml::Schema;

ref class XMLSchemaExamples
{
private:
    static void ValidationCallbackOne(Object^ sender, ValidationEventArgs^ args)
    {
        Console::WriteLine(args->Message);
    }

public:
    static void Main()
    {
        XmlSchema^ schema = gcnew XmlSchema();

        // <xs:complexType name="customerOrderType">
        XmlSchemaComplexType^ customerOrderType = gcnew XmlSchemaComplexType();
        customerOrderType->Name = "customerOrderType";

        // <xs:sequence>
        XmlSchemaSequence^ sequence1 = gcnew XmlSchemaSequence();

        // <xs:element name="item" minOccurs="0" maxOccurs="unbounded">
        XmlSchemaElement^ item = gcnew XmlSchemaElement();
        item->MinOccurs = 0;
        item->MaxOccursString = "unbounded";
        item->Name = "item";

        // <xs:complexType>
        XmlSchemaComplexType^ ct1 = gcnew XmlSchemaComplexType();

        // <xs:attribute name="itemID" type="xs:string"/>
        XmlSchemaAttribute^ itemID = gcnew XmlSchemaAttribute();
        itemID->Name = "itemID";
        itemID->SchemaTypeName = gcnew XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // </xs:complexType>
        ct1->Attributes->Add(itemID);

        // </xs:element>
        item->SchemaType = ct1;

        // </xs:sequence>
        sequence1->Items->Add(item);
        customerOrderType->Particle = sequence1;

        // <xs:attribute name="CustomerID" type="xs:string"/>
        XmlSchemaAttribute^ CustomerID = gcnew XmlSchemaAttribute();
        CustomerID->Name = "CustomerID";
        CustomerID->SchemaTypeName = gcnew XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        customerOrderType->Attributes->Add(CustomerID);

        // </xs:complexType>
        schema->Items->Add(customerOrderType);

        // <xs:element name="ordersByCustomer">
        XmlSchemaElement^ ordersByCustomer = gcnew XmlSchemaElement();
        ordersByCustomer->Name = "ordersByCustomer";

        // <xs:complexType>
        XmlSchemaComplexType^ ct2 = gcnew XmlSchemaComplexType();

        // <xs:sequence>
        XmlSchemaSequence^ sequence2 = gcnew XmlSchemaSequence();

        // <xs:element name="customerOrders" type="customerOrderType" minOccurs="0" maxOccurs="unbounded" />
        XmlSchemaElement^ customerOrders = gcnew XmlSchemaElement();
        customerOrders->MinOccurs = 0;
        customerOrders->MaxOccursString = "unbounded";
        customerOrders->Name = "customerOrders";
        customerOrders->SchemaTypeName = gcnew XmlQualifiedName("customerOrderType", "");

        // </xs:sequence>
        sequence2->Items->Add(customerOrders);

        // </xs:complexType>
        ct2->Particle = sequence2;
        ordersByCustomer->SchemaType = ct2;

        // <xs:unique name="oneCustomerOrdersforEachCustomerID">
        XmlSchemaUnique^ element_unique = gcnew XmlSchemaUnique();
        element_unique->Name = "oneCustomerOrdersforEachCustomerID";

        // <xs:selector xpath="customerOrders"/>
        element_unique->Selector = gcnew XmlSchemaXPath();
        element_unique->Selector->XPath = "customerOrders";

        // <xs:field xpath="@customerID"/>
        XmlSchemaXPath^ field = gcnew XmlSchemaXPath();
        field->XPath = "@customerID";

        // </xs:unique>
        element_unique->Fields->Add(field);
        ordersByCustomer->Constraints->Add(element_unique);

        // </xs:element>
        schema->Items->Add(ordersByCustomer);

        XmlSchemaSet^ schemaSet = gcnew XmlSchemaSet();
        schemaSet->ValidationEventHandler += gcnew ValidationEventHandler(ValidationCallbackOne);
        schemaSet->Add(schema);
        schemaSet->Compile();

        XmlSchema^ compiledSchema = nullptr;

        for each (XmlSchema^ schema1 in schemaSet->Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager^ nsmgr = gcnew XmlNamespaceManager(gcnew NameTable());
        nsmgr->AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema->Write(Console::Out, nsmgr);
    }
};

int main()
{
    XMLSchemaExamples::Main();
    return 0;
}
using System;
using System.Xml;
using System.Xml.Schema;

class XMLSchemaExamples
{
    public static void Main()
    {

        XmlSchema schema = new XmlSchema();

        // <xs:complexType name="customerOrderType">
        XmlSchemaComplexType customerOrderType = new XmlSchemaComplexType();
        customerOrderType.Name = "customerOrderType";

        // <xs:sequence>
        XmlSchemaSequence sequence1 = new XmlSchemaSequence();

        // <xs:element name="item" minOccurs="0" maxOccurs="unbounded">
        XmlSchemaElement item = new XmlSchemaElement();
        item.MinOccurs = 0;
        item.MaxOccursString = "unbounded";
        item.Name = "item";

        // <xs:complexType>
        XmlSchemaComplexType ct1 = new XmlSchemaComplexType();

        // <xs:attribute name="itemID" type="xs:string"/>
        XmlSchemaAttribute itemID = new XmlSchemaAttribute();
        itemID.Name = "itemID";
        itemID.SchemaTypeName = new XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // </xs:complexType>
        ct1.Attributes.Add(itemID);

        // </xs:element>
        item.SchemaType = ct1;

        // </xs:sequence>
        sequence1.Items.Add(item);
        customerOrderType.Particle = sequence1;

        // <xs:attribute name="CustomerID" type="xs:string"/>
        XmlSchemaAttribute CustomerID = new XmlSchemaAttribute();
        CustomerID.Name = "CustomerID";
        CustomerID.SchemaTypeName = new XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        customerOrderType.Attributes.Add(CustomerID);

        // </xs:complexType>
        schema.Items.Add(customerOrderType);

        // <xs:element name="ordersByCustomer">
        XmlSchemaElement ordersByCustomer = new XmlSchemaElement();
        ordersByCustomer.Name = "ordersByCustomer";

        // <xs:complexType>
        XmlSchemaComplexType ct2 = new XmlSchemaComplexType();

        // <xs:sequence>
        XmlSchemaSequence sequence2 = new XmlSchemaSequence();

        // <xs:element name="customerOrders" type="customerOrderType" minOccurs="0" maxOccurs="unbounded" />
        XmlSchemaElement customerOrders = new XmlSchemaElement();
        customerOrders.MinOccurs = 0;
        customerOrders.MaxOccursString = "unbounded";
        customerOrders.Name = "customerOrders";
        customerOrders.SchemaTypeName = new XmlQualifiedName("customerOrderType", "");

        // </xs:sequence>
        sequence2.Items.Add(customerOrders);

        // </xs:complexType>
        ct2.Particle = sequence2;
        ordersByCustomer.SchemaType = ct2;

        // <xs:unique name="oneCustomerOrdersforEachCustomerID">
        XmlSchemaUnique element_unique = new XmlSchemaUnique();
        element_unique.Name = "oneCustomerOrdersforEachCustomerID";

        // <xs:selector xpath="customerOrders"/>
        element_unique.Selector = new XmlSchemaXPath();
        element_unique.Selector.XPath = "customerOrders";

        // <xs:field xpath="@customerID"/>
        XmlSchemaXPath field = new XmlSchemaXPath();
        field.XPath = "@customerID";

        // </xs:unique>
        element_unique.Fields.Add(field);
        ordersByCustomer.Constraints.Add(element_unique);

        // </xs:element>
        schema.Items.Add(ordersByCustomer);

        XmlSchemaSet schemaSet = new XmlSchemaSet();
        schemaSet.ValidationEventHandler += new ValidationEventHandler(ValidationCallbackOne);
        schemaSet.Add(schema);
        schemaSet.Compile();

        XmlSchema compiledSchema = null;

        foreach (XmlSchema schema1 in schemaSet.Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema.Write(Console.Out, nsmgr);
    }

    public static void ValidationCallbackOne(object sender, ValidationEventArgs args)
    {
        Console.WriteLine(args.Message);
    }
}
Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples
    Public Shared Sub Main()

        Dim schema As New XmlSchema()

        ' <xs:complexType name="customerOrderType">
        Dim customerOrderType As New XmlSchemaComplexType()
        customerOrderType.Name = "customerOrderType"

        ' <xs:sequence>
        Dim sequence1 As New XmlSchemaSequence()

        ' <xs:element name="item" minOccurs="0" maxOccurs="unbounded">
        Dim item As New XmlSchemaElement()
        item.MinOccurs = 0
        item.MaxOccursString = "unbounded"
        item.Name = "item"

        ' <xs:complexType>
        Dim ct1 As New XmlSchemaComplexType()

        ' <xs:attribute name="itemID" type="xs:string"/>
        Dim itemID As New XmlSchemaAttribute()
        itemID.Name = "itemID"
        itemID.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")

        ' </xs:complexType>
        ct1.Attributes.Add(itemID)

        ' </xs:element>
        item.SchemaType = ct1

        ' </xs:sequence>
        sequence1.Items.Add(item)
        customerOrderType.Particle = sequence1

        ' <xs:attribute name="CustomerID" type="xs:string"/>
        Dim CustomerID As New XmlSchemaAttribute()
        CustomerID.Name = "CustomerID"
        CustomerID.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")

        customerOrderType.Attributes.Add(CustomerID)

        ' </xs:complexType>
        schema.Items.Add(customerOrderType)

        ' <xs:element name="ordersByCustomer">
        Dim ordersByCustomer As New XmlSchemaElement()
        ordersByCustomer.Name = "ordersByCustomer"

        ' <xs:complexType>
        Dim ct2 As New XmlSchemaComplexType()

        ' <xs:sequence>
        Dim sequence2 As New XmlSchemaSequence()

        ' <xs:element name="customerOrders" type="customerOrderType" minOccurs="0" maxOccurs="unbounded" />
        Dim customerOrders As New XmlSchemaElement()
        customerOrders.MinOccurs = 0
        customerOrders.MaxOccursString = "unbounded"
        customerOrders.Name = "customerOrders"
        customerOrders.SchemaTypeName = New XmlQualifiedName("customerOrderType", "")

        ' </xs:sequence>
        sequence2.Items.Add(customerOrders)

        ' </xs:complexType>
        ct2.Particle = sequence2
        ordersByCustomer.SchemaType = ct2

        ' <xs:unique name="oneCustomerOrdersforEachCustomerID">
        Dim element_unique As New XmlSchemaUnique()
        element_unique.Name = "oneCustomerOrdersforEachCustomerID"

        ' <xs:selector xpath="customerOrders"/>
        element_unique.Selector = New XmlSchemaXPath()
        element_unique.Selector.XPath = "customerOrders"

        ' <xs:field xpath="@customerID"/>
        Dim field As New XmlSchemaXPath()
        field.XPath = "@customerID"

        ' </xs:unique>
        element_unique.Fields.Add(field)
        ordersByCustomer.Constraints.Add(element_unique)

        ' </xs:element>
        schema.Items.Add(ordersByCustomer)

        Dim schemaSet As New XmlSchemaSet()
        AddHandler schemaSet.ValidationEventHandler, AddressOf ValidationCallbackOne

        schemaSet.Add(schema)
        schemaSet.Compile()

        Dim compiledSchema As XmlSchema = Nothing

        For Each schema1 As XmlSchema In schemaSet.Schemas()
            compiledSchema = schema1
        Next

        Dim nsmgr As New XmlNamespaceManager(New NameTable())
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema")
        compiledSchema.Write(Console.Out, nsmgr)

    End Sub

    Public Shared Sub ValidationCallbackOne(ByVal sender As Object, ByVal args As ValidationEventArgs)
        Console.WriteLine(args.Message)
    End Sub
End Class

이 코드 예제에 대해 다음 XML 파일이 생성됩니다.

<?xml version="1.0" encoding="IBM437"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:complexType name="customerOrderType">
        <xs:sequence>
            <xs:element name="item" minOccurs="0" maxOccurs="unbounded">
                <xs:complexType>
                    <xs:attribute name="itemID" type="xs:string"/>
                </xs:complexType>
            </xs:element>
        </xs:sequence>
        <xs:attribute name="CustomerID" type="xs:string"/>
    </xs:complexType>

    <xs:element name="ordersByCustomer">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="customerOrders" type="customerOrderType" minOccurs="0" maxOccurs="unbounded" />
            </xs:sequence>
        </xs:complexType>
        <xs:unique name="oneCustomerOrdersforEachCustomerID">
            <xs:selector xpath="customerOrders"/>
            <xs:field xpath="@customerID"/>
        </xs:unique>
    </xs:element>
</xs:schema>

설명

특성 또는 요소 값(또는 특성 또는 요소 값의 조합)이 지정된 범위 내에서 고유해야 하므로 지정합니다. 제약 조건 이름은 스키마 내에서 고유해야 합니다.

생성자

XmlSchemaUnique()

XmlSchemaUnique 클래스의 새 인스턴스를 초기화합니다.

속성

Annotation

annotation 속성을 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaAnnotated)
Fields

XPath(XML Path Language) 식 선택기에 대한 자식으로 적용되는 필드의 컬렉션을 가져옵니다.

(다음에서 상속됨 XmlSchemaIdentityConstraint)
Id

문자열 ID를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaAnnotated)
LineNumber

schema 요소가 참조하는 파일에서 줄 번호를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaObject)
LinePosition

schema 요소가 참조하는 파일에서 줄 위치를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaObject)
Name

identity 제약 조건의 이름을 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaIdentityConstraint)
Namespaces

이 스키마 개체에 사용할 XmlSerializerNamespaces를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaObject)
Parent

XmlSchemaObject의 부모를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaObject)
QualifiedName

QualifiedName 속성의 컴파일 이후 값을 보유하는 identity 제약 조건의 정규화된 이름을 가져옵니다.

(다음에서 상속됨 XmlSchemaIdentityConstraint)
Selector

XPath 식의 selector 요소를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaIdentityConstraint)
SourceUri

스키마를 로드한 파일의 소스 위치를 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaObject)
UnhandledAttributes

현재 스키마의 대상 네임스페이스에 속하지 않는 정규화된 특성을 가져오거나 설정합니다.

(다음에서 상속됨 XmlSchemaAnnotated)

메서드

Equals(Object)

지정된 개체가 현재 개체와 같은지 확인합니다.

(다음에서 상속됨 Object)
GetHashCode()

기본 해시 함수로 작동합니다.

(다음에서 상속됨 Object)
GetType()

현재 인스턴스의 Type을 가져옵니다.

(다음에서 상속됨 Object)
MemberwiseClone()

현재 Object의 단순 복사본을 만듭니다.

(다음에서 상속됨 Object)
ToString()

현재 개체를 나타내는 문자열을 반환합니다.

(다음에서 상속됨 Object)

적용 대상