XmlSchemaUnique 클래스
정의
중요
일부 정보는 릴리스되기 전에 상당 부분 수정될 수 있는 시험판 제품과 관련이 있습니다. Microsoft는 여기에 제공된 정보에 대해 어떠한 명시적이거나 묵시적인 보증도 하지 않습니다.
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 |
|
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 |
|
LinePosition |
|
Name |
identity 제약 조건의 이름을 가져오거나 설정합니다. (다음에서 상속됨 XmlSchemaIdentityConstraint) |
Namespaces |
이 스키마 개체에 사용할 XmlSerializerNamespaces를 가져오거나 설정합니다. (다음에서 상속됨 XmlSchemaObject) |
Parent |
이 XmlSchemaObject의 부모를 가져오거나 설정합니다. (다음에서 상속됨 XmlSchemaObject) |
QualifiedName |
|
Selector |
XPath 식의 |
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) |