Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntityDesign / Design / System / Data / EntityModel / Emitters / NavigationPropertyEmitter.cs / 1305376 / NavigationPropertyEmitter.cs
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using System;
using System.CodeDom;
using System.Data;
using System.Collections.Generic;
using System.Data.Entity.Design;
using Som=System.Data.EntityModel.SchemaObjectModel;
using System.Data.Metadata.Edm;
using System.Diagnostics;
using System.Data.Entity.Design.SsdlGenerator;
using System.Data.Entity.Design.Common;
namespace System.Data.EntityModel.Emitters
{
///
/// Summary description for NavigationPropertyEmitter.
///
internal sealed class NavigationPropertyEmitter : PropertyEmitterBase
{
private const string ValuePropertyName = "Value";
///
///
///
///
///
public NavigationPropertyEmitter(ClientApiGenerator generator, NavigationProperty navigationProperty, bool declaringTypeUsesStandardBaseType)
: base(generator, navigationProperty, declaringTypeUsesStandardBaseType)
{
}
///
/// Generate the navigation property
///
/// The type to add the property to.
protected override void EmitProperty(CodeTypeDeclaration typeDecl)
{
EmitNavigationProperty(typeDecl);
}
///
/// Generate the navigation property specified
///
/// The type to add the property to.
private void EmitNavigationProperty( CodeTypeDeclaration typeDecl )
{
// create a regular property
CodeMemberProperty property = EmitNavigationProperty(Item.ToEndMember, false);
typeDecl.Members.Add(property);
if (Item.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many)
{
// create a ref property
property = EmitNavigationProperty(Item.ToEndMember, true);
typeDecl.Members.Add(property);
}
}
///
/// Generate a navigation property
///
/// the other end
/// True to emit Reference navigation property
/// the generated property
private CodeMemberProperty EmitNavigationProperty(RelationshipEndMember target, bool referenceProperty)
{
CodeTypeReference typeRef = GetReturnType(target, referenceProperty);
// raise the PropertyGenerated event
PropertyGeneratedEventArgs eventArgs = new PropertyGeneratedEventArgs(Item,
null, // no backing field
typeRef);
this.Generator.RaisePropertyGeneratedEvent(eventArgs);
// [System.ComponentModel.Browsable(false)]
// public TargetType TargetName
// public EntityReference TargetName
// or
// public EntityCollection TargetNames
CodeMemberProperty property = new CodeMemberProperty();
if (referenceProperty)
{
AttributeEmitter.AddBrowsableAttribute(property);
Generator.AttributeEmitter.EmitGeneratedCodeAttribute(property);
}
else
{
Generator.AttributeEmitter.EmitNavigationPropertyAttributes(Generator, target, property, eventArgs.AdditionalAttributes);
// Only reference navigation properties are currently currently supported with XML serialization
// and thus we should use the XmlIgnore and SoapIgnore attributes on other property types.
AttributeEmitter.AddIgnoreAttributes(property);
}
AttributeEmitter.AddDataMemberAttribute(property);
CommentEmitter.EmitSummaryComments(Item, property.Comments);
property.Name = Item.Name;
if (referenceProperty)
{
property.Name += "Reference";
if (IsNameAlreadyAMemberName(Item.DeclaringType, property.Name, Generator.LanguageAppropriateStringComparer))
{
Generator.AddError(Strings.GeneratedNavigationPropertyNameConflict(Item.Name, Item.DeclaringType.Name, property.Name),
ModelBuilderErrorCode.GeneratedNavigationPropertyNameConflict,
EdmSchemaErrorSeverity.Error, Item.DeclaringType.FullName, property.Name);
}
}
if (eventArgs.ReturnType != null && !eventArgs.ReturnType.Equals(typeRef))
{
property.Type = eventArgs.ReturnType;
}
else
{
property.Type = typeRef;
}
property.Attributes = MemberAttributes.Final;
CodeMethodInvokeExpression getMethod = EmitGetMethod(target);
CodeExpression getReturnExpression;
property.Attributes |= AccessibilityFromGettersAndSetters(Item);
// setup the accessibility of the navigation property setter and getter
MemberAttributes propertyAccessibility = property.Attributes & MemberAttributes.AccessMask;
PropertyEmitter.AddGetterSetterFixUp(Generator.FixUps, GetFullyQualifiedPropertyName(property.Name),
PropertyEmitter.GetGetterAccessibility(Item), propertyAccessibility, true);
PropertyEmitter.AddGetterSetterFixUp(Generator.FixUps, GetFullyQualifiedPropertyName(property.Name),
PropertyEmitter.GetSetterAccessibility(Item), propertyAccessibility, false);
if (target.RelationshipMultiplicity != RelationshipMultiplicity.Many)
{
// insert user-supplied Set code here, before the assignment
//
List additionalSetStatements = eventArgs.AdditionalSetStatements;
if (additionalSetStatements != null && additionalSetStatements.Count > 0)
{
try
{
property.SetStatements.AddRange(additionalSetStatements.ToArray());
}
catch (ArgumentNullException ex)
{
Generator.AddError(Strings.InvalidSetStatementSuppliedForProperty(Item.Name),
ModelBuilderErrorCode.InvalidSetStatementSuppliedForProperty,
EdmSchemaErrorSeverity.Error,
ex);
}
}
CodeExpression valueRef = new CodePropertySetValueReferenceExpression();
if(typeRef != eventArgs.ReturnType)
{
// we need to cast to the actual type
valueRef = new CodeCastExpression(typeRef, valueRef);
}
if (referenceProperty)
{
// get
// return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName");
getReturnExpression = getMethod;
// set
// if (value != null)
// {
// ((IEntityWithRelationships)this).RelationshipManager.InitializeRelatedReference"CSpaceQualifiedRelationshipName", "TargetRoleName", value);
// }
CodeMethodReferenceExpression initReferenceMethod = new CodeMethodReferenceExpression();
initReferenceMethod.MethodName = "InitializeRelatedReference";
initReferenceMethod.TypeArguments.Add(Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target)));
initReferenceMethod.TargetObject = new CodePropertyReferenceExpression(
new CodeCastExpression(TypeReference.IEntityWithRelationshipsTypeBaseClass, ThisRef),
"RelationshipManager");
// relationships aren't backed by types so we won't map the namespace
// or we can't find the relationship again later
string cspaceNamespaceNameQualifiedRelationshipName = target.DeclaringType.FullName;
property.SetStatements.Add(
new CodeConditionStatement(
EmitExpressionDoesNotEqualNull(valueRef),
new CodeExpressionStatement(
new CodeMethodInvokeExpression(
initReferenceMethod, new CodeExpression[] {
new CodePrimitiveExpression(cspaceNamespaceNameQualifiedRelationshipName), new CodePrimitiveExpression(target.Name), valueRef}))));
}
else
{
CodePropertyReferenceExpression valueProperty = new CodePropertyReferenceExpression(getMethod, ValuePropertyName);
// get
// return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName").Value;
getReturnExpression = valueProperty;
// set
// ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName").Value = value;
property.SetStatements.Add(
new CodeAssignStatement(valueProperty, valueRef));
}
}
else
{
// get
// return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedCollection("CSpaceQualifiedRelationshipName", "TargetRoleName");
getReturnExpression = getMethod;
// set
// if (value != null)
// {
// ((IEntityWithRelationships)this).RelationshipManager.InitializeRelatedCollection"CSpaceQualifiedRelationshipName", "TargetRoleName", value);
// }
CodeExpression valueRef = new CodePropertySetValueReferenceExpression();
CodeMethodReferenceExpression initCollectionMethod = new CodeMethodReferenceExpression();
initCollectionMethod.MethodName = "InitializeRelatedCollection";
initCollectionMethod.TypeArguments.Add(Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target)));
initCollectionMethod.TargetObject = new CodePropertyReferenceExpression(
new CodeCastExpression(TypeReference.IEntityWithRelationshipsTypeBaseClass, ThisRef),
"RelationshipManager");
// relationships aren't backed by types so we won't map the namespace
// or we can't find the relationship again later
string cspaceNamespaceNameQualifiedRelationshipName = target.DeclaringType.FullName;
property.SetStatements.Add(
new CodeConditionStatement(
EmitExpressionDoesNotEqualNull(valueRef),
new CodeExpressionStatement(
new CodeMethodInvokeExpression(
initCollectionMethod, new CodeExpression[] {
new CodePrimitiveExpression(cspaceNamespaceNameQualifiedRelationshipName), new CodePrimitiveExpression(target.Name), valueRef}))));
}
// if additional Get statements were specified by the event subscriber, insert them now
//
List additionalGetStatements = eventArgs.AdditionalGetStatements;
if (additionalGetStatements != null && additionalGetStatements.Count > 0)
{
try
{
property.GetStatements.AddRange(additionalGetStatements.ToArray());
}
catch (ArgumentNullException ex)
{
Generator.AddError(Strings.InvalidGetStatementSuppliedForProperty(Item.Name),
ModelBuilderErrorCode.InvalidGetStatementSuppliedForProperty,
EdmSchemaErrorSeverity.Error,
ex);
}
}
property.GetStatements.Add(new CodeMethodReturnStatement(getReturnExpression));
return property;
}
internal static bool IsNameAlreadyAMemberName(StructuralType type, string generatedPropertyName, StringComparison comparison)
{
foreach (EdmMember member in type.Members)
{
if (member.DeclaringType == type &&
member.Name.Equals(generatedPropertyName, comparison))
{
return true;
}
}
return false;
}
private string GetFullyQualifiedPropertyName(string propertyName)
{
return Item.DeclaringType.FullName + "." + propertyName;
}
///
/// Gives the SchemaElement back cast to the most
/// appropriate type
///
private new NavigationProperty Item
{
get
{
return base.Item as NavigationProperty;
}
}
///
/// Get the return type for the get method, given the target end
///
///
/// true if the is the return type for a reference property
/// the return type for a target
private CodeTypeReference GetReturnType(RelationshipEndMember target, bool referenceMethod)
{
CodeTypeReference returnType = Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target));
if (referenceMethod)
{
returnType = TypeReference.AdoFrameworkGenericDataClass("EntityReference", returnType);
}
else if (target.RelationshipMultiplicity == RelationshipMultiplicity.Many)
{
returnType = TypeReference.AdoFrameworkGenericDataClass("EntityCollection", returnType);
}
return returnType;
}
private static EntityTypeBase GetEntityType(RelationshipEndMember endMember)
{
Debug.Assert(endMember.TypeUsage.EdmType.BuiltInTypeKind == BuiltInTypeKind.RefType, "not a reference type");
EntityTypeBase type = ((RefType)endMember.TypeUsage.EdmType).ElementType;
return type;
}
///
/// Emit the GetRelatedCollection or GetRelatedReference methods
///
/// Target end of the relationship
/// Expression to invoke the appropriate method
private CodeMethodInvokeExpression EmitGetMethod(RelationshipEndMember target)
{
// ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName");
// or
// ((IEntityWithRelationships)this).RelationshipManager.GetRelatedCollection("CSpaceQualifiedRelationshipName", "TargetRoleName");
CodeMethodReferenceExpression getMethod = new CodeMethodReferenceExpression();
if (target.RelationshipMultiplicity != RelationshipMultiplicity.Many)
getMethod.MethodName = "GetRelatedReference";
else
getMethod.MethodName = "GetRelatedCollection";
getMethod.TypeArguments.Add(Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target)));
getMethod.TargetObject = new CodePropertyReferenceExpression(
new CodeCastExpression(TypeReference.IEntityWithRelationshipsTypeBaseClass, ThisRef),
"RelationshipManager");
// relationships aren't backed by types so we won't map the namespace
// or we can't find the relationship again later
string cspaceNamespaceNameQualifiedRelationshipName = target.DeclaringType.FullName;
return new CodeMethodInvokeExpression(
getMethod, new CodeExpression[] { new CodePrimitiveExpression(cspaceNamespaceNameQualifiedRelationshipName), new CodePrimitiveExpression(target.Name)});
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using System;
using System.CodeDom;
using System.Data;
using System.Collections.Generic;
using System.Data.Entity.Design;
using Som=System.Data.EntityModel.SchemaObjectModel;
using System.Data.Metadata.Edm;
using System.Diagnostics;
using System.Data.Entity.Design.SsdlGenerator;
using System.Data.Entity.Design.Common;
namespace System.Data.EntityModel.Emitters
{
///
/// Summary description for NavigationPropertyEmitter.
///
internal sealed class NavigationPropertyEmitter : PropertyEmitterBase
{
private const string ValuePropertyName = "Value";
///
///
///
///
///
public NavigationPropertyEmitter(ClientApiGenerator generator, NavigationProperty navigationProperty, bool declaringTypeUsesStandardBaseType)
: base(generator, navigationProperty, declaringTypeUsesStandardBaseType)
{
}
///
/// Generate the navigation property
///
/// The type to add the property to.
protected override void EmitProperty(CodeTypeDeclaration typeDecl)
{
EmitNavigationProperty(typeDecl);
}
///
/// Generate the navigation property specified
///
/// The type to add the property to.
private void EmitNavigationProperty( CodeTypeDeclaration typeDecl )
{
// create a regular property
CodeMemberProperty property = EmitNavigationProperty(Item.ToEndMember, false);
typeDecl.Members.Add(property);
if (Item.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many)
{
// create a ref property
property = EmitNavigationProperty(Item.ToEndMember, true);
typeDecl.Members.Add(property);
}
}
///
/// Generate a navigation property
///
/// the other end
/// True to emit Reference navigation property
/// the generated property
private CodeMemberProperty EmitNavigationProperty(RelationshipEndMember target, bool referenceProperty)
{
CodeTypeReference typeRef = GetReturnType(target, referenceProperty);
// raise the PropertyGenerated event
PropertyGeneratedEventArgs eventArgs = new PropertyGeneratedEventArgs(Item,
null, // no backing field
typeRef);
this.Generator.RaisePropertyGeneratedEvent(eventArgs);
// [System.ComponentModel.Browsable(false)]
// public TargetType TargetName
// public EntityReference TargetName
// or
// public EntityCollection TargetNames
CodeMemberProperty property = new CodeMemberProperty();
if (referenceProperty)
{
AttributeEmitter.AddBrowsableAttribute(property);
Generator.AttributeEmitter.EmitGeneratedCodeAttribute(property);
}
else
{
Generator.AttributeEmitter.EmitNavigationPropertyAttributes(Generator, target, property, eventArgs.AdditionalAttributes);
// Only reference navigation properties are currently currently supported with XML serialization
// and thus we should use the XmlIgnore and SoapIgnore attributes on other property types.
AttributeEmitter.AddIgnoreAttributes(property);
}
AttributeEmitter.AddDataMemberAttribute(property);
CommentEmitter.EmitSummaryComments(Item, property.Comments);
property.Name = Item.Name;
if (referenceProperty)
{
property.Name += "Reference";
if (IsNameAlreadyAMemberName(Item.DeclaringType, property.Name, Generator.LanguageAppropriateStringComparer))
{
Generator.AddError(Strings.GeneratedNavigationPropertyNameConflict(Item.Name, Item.DeclaringType.Name, property.Name),
ModelBuilderErrorCode.GeneratedNavigationPropertyNameConflict,
EdmSchemaErrorSeverity.Error, Item.DeclaringType.FullName, property.Name);
}
}
if (eventArgs.ReturnType != null && !eventArgs.ReturnType.Equals(typeRef))
{
property.Type = eventArgs.ReturnType;
}
else
{
property.Type = typeRef;
}
property.Attributes = MemberAttributes.Final;
CodeMethodInvokeExpression getMethod = EmitGetMethod(target);
CodeExpression getReturnExpression;
property.Attributes |= AccessibilityFromGettersAndSetters(Item);
// setup the accessibility of the navigation property setter and getter
MemberAttributes propertyAccessibility = property.Attributes & MemberAttributes.AccessMask;
PropertyEmitter.AddGetterSetterFixUp(Generator.FixUps, GetFullyQualifiedPropertyName(property.Name),
PropertyEmitter.GetGetterAccessibility(Item), propertyAccessibility, true);
PropertyEmitter.AddGetterSetterFixUp(Generator.FixUps, GetFullyQualifiedPropertyName(property.Name),
PropertyEmitter.GetSetterAccessibility(Item), propertyAccessibility, false);
if (target.RelationshipMultiplicity != RelationshipMultiplicity.Many)
{
// insert user-supplied Set code here, before the assignment
//
List additionalSetStatements = eventArgs.AdditionalSetStatements;
if (additionalSetStatements != null && additionalSetStatements.Count > 0)
{
try
{
property.SetStatements.AddRange(additionalSetStatements.ToArray());
}
catch (ArgumentNullException ex)
{
Generator.AddError(Strings.InvalidSetStatementSuppliedForProperty(Item.Name),
ModelBuilderErrorCode.InvalidSetStatementSuppliedForProperty,
EdmSchemaErrorSeverity.Error,
ex);
}
}
CodeExpression valueRef = new CodePropertySetValueReferenceExpression();
if(typeRef != eventArgs.ReturnType)
{
// we need to cast to the actual type
valueRef = new CodeCastExpression(typeRef, valueRef);
}
if (referenceProperty)
{
// get
// return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName");
getReturnExpression = getMethod;
// set
// if (value != null)
// {
// ((IEntityWithRelationships)this).RelationshipManager.InitializeRelatedReference"CSpaceQualifiedRelationshipName", "TargetRoleName", value);
// }
CodeMethodReferenceExpression initReferenceMethod = new CodeMethodReferenceExpression();
initReferenceMethod.MethodName = "InitializeRelatedReference";
initReferenceMethod.TypeArguments.Add(Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target)));
initReferenceMethod.TargetObject = new CodePropertyReferenceExpression(
new CodeCastExpression(TypeReference.IEntityWithRelationshipsTypeBaseClass, ThisRef),
"RelationshipManager");
// relationships aren't backed by types so we won't map the namespace
// or we can't find the relationship again later
string cspaceNamespaceNameQualifiedRelationshipName = target.DeclaringType.FullName;
property.SetStatements.Add(
new CodeConditionStatement(
EmitExpressionDoesNotEqualNull(valueRef),
new CodeExpressionStatement(
new CodeMethodInvokeExpression(
initReferenceMethod, new CodeExpression[] {
new CodePrimitiveExpression(cspaceNamespaceNameQualifiedRelationshipName), new CodePrimitiveExpression(target.Name), valueRef}))));
}
else
{
CodePropertyReferenceExpression valueProperty = new CodePropertyReferenceExpression(getMethod, ValuePropertyName);
// get
// return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName").Value;
getReturnExpression = valueProperty;
// set
// ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName").Value = value;
property.SetStatements.Add(
new CodeAssignStatement(valueProperty, valueRef));
}
}
else
{
// get
// return ((IEntityWithRelationships)this).RelationshipManager.GetRelatedCollection("CSpaceQualifiedRelationshipName", "TargetRoleName");
getReturnExpression = getMethod;
// set
// if (value != null)
// {
// ((IEntityWithRelationships)this).RelationshipManager.InitializeRelatedCollection"CSpaceQualifiedRelationshipName", "TargetRoleName", value);
// }
CodeExpression valueRef = new CodePropertySetValueReferenceExpression();
CodeMethodReferenceExpression initCollectionMethod = new CodeMethodReferenceExpression();
initCollectionMethod.MethodName = "InitializeRelatedCollection";
initCollectionMethod.TypeArguments.Add(Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target)));
initCollectionMethod.TargetObject = new CodePropertyReferenceExpression(
new CodeCastExpression(TypeReference.IEntityWithRelationshipsTypeBaseClass, ThisRef),
"RelationshipManager");
// relationships aren't backed by types so we won't map the namespace
// or we can't find the relationship again later
string cspaceNamespaceNameQualifiedRelationshipName = target.DeclaringType.FullName;
property.SetStatements.Add(
new CodeConditionStatement(
EmitExpressionDoesNotEqualNull(valueRef),
new CodeExpressionStatement(
new CodeMethodInvokeExpression(
initCollectionMethod, new CodeExpression[] {
new CodePrimitiveExpression(cspaceNamespaceNameQualifiedRelationshipName), new CodePrimitiveExpression(target.Name), valueRef}))));
}
// if additional Get statements were specified by the event subscriber, insert them now
//
List additionalGetStatements = eventArgs.AdditionalGetStatements;
if (additionalGetStatements != null && additionalGetStatements.Count > 0)
{
try
{
property.GetStatements.AddRange(additionalGetStatements.ToArray());
}
catch (ArgumentNullException ex)
{
Generator.AddError(Strings.InvalidGetStatementSuppliedForProperty(Item.Name),
ModelBuilderErrorCode.InvalidGetStatementSuppliedForProperty,
EdmSchemaErrorSeverity.Error,
ex);
}
}
property.GetStatements.Add(new CodeMethodReturnStatement(getReturnExpression));
return property;
}
internal static bool IsNameAlreadyAMemberName(StructuralType type, string generatedPropertyName, StringComparison comparison)
{
foreach (EdmMember member in type.Members)
{
if (member.DeclaringType == type &&
member.Name.Equals(generatedPropertyName, comparison))
{
return true;
}
}
return false;
}
private string GetFullyQualifiedPropertyName(string propertyName)
{
return Item.DeclaringType.FullName + "." + propertyName;
}
///
/// Gives the SchemaElement back cast to the most
/// appropriate type
///
private new NavigationProperty Item
{
get
{
return base.Item as NavigationProperty;
}
}
///
/// Get the return type for the get method, given the target end
///
///
/// true if the is the return type for a reference property
/// the return type for a target
private CodeTypeReference GetReturnType(RelationshipEndMember target, bool referenceMethod)
{
CodeTypeReference returnType = Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target));
if (referenceMethod)
{
returnType = TypeReference.AdoFrameworkGenericDataClass("EntityReference", returnType);
}
else if (target.RelationshipMultiplicity == RelationshipMultiplicity.Many)
{
returnType = TypeReference.AdoFrameworkGenericDataClass("EntityCollection", returnType);
}
return returnType;
}
private static EntityTypeBase GetEntityType(RelationshipEndMember endMember)
{
Debug.Assert(endMember.TypeUsage.EdmType.BuiltInTypeKind == BuiltInTypeKind.RefType, "not a reference type");
EntityTypeBase type = ((RefType)endMember.TypeUsage.EdmType).ElementType;
return type;
}
///
/// Emit the GetRelatedCollection or GetRelatedReference methods
///
/// Target end of the relationship
/// Expression to invoke the appropriate method
private CodeMethodInvokeExpression EmitGetMethod(RelationshipEndMember target)
{
// ((IEntityWithRelationships)this).RelationshipManager.GetRelatedReference("CSpaceQualifiedRelationshipName", "TargetRoleName");
// or
// ((IEntityWithRelationships)this).RelationshipManager.GetRelatedCollection("CSpaceQualifiedRelationshipName", "TargetRoleName");
CodeMethodReferenceExpression getMethod = new CodeMethodReferenceExpression();
if (target.RelationshipMultiplicity != RelationshipMultiplicity.Many)
getMethod.MethodName = "GetRelatedReference";
else
getMethod.MethodName = "GetRelatedCollection";
getMethod.TypeArguments.Add(Generator.GetLeastPossibleQualifiedTypeReference(GetEntityType(target)));
getMethod.TargetObject = new CodePropertyReferenceExpression(
new CodeCastExpression(TypeReference.IEntityWithRelationshipsTypeBaseClass, ThisRef),
"RelationshipManager");
// relationships aren't backed by types so we won't map the namespace
// or we can't find the relationship again later
string cspaceNamespaceNameQualifiedRelationshipName = target.DeclaringType.FullName;
return new CodeMethodInvokeExpression(
getMethod, new CodeExpression[] { new CodePrimitiveExpression(cspaceNamespaceNameQualifiedRelationshipName), new CodePrimitiveExpression(target.Name)});
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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