创建T4模本拷贝以下代码
<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
output extension=".cs"#><# const string inputFile = @"..\WebCms.edmx";
var textTransform = DynamicTextTransformation.Create(this);
var code = new CodeGenerationTools(this);
var ef = new MetadataTools(this);
var typeMapper = new TypeMapper(code, ef, textTransform.Errors);
var fileManager = EntityFrameworkTemplateFileManager.Create(this);
var itemCollection = new EdmMetadataLoader(textTransform.Host, textTransform.Errors).CreateEdmItemCollection(inputFile);
var codeStringGenerator = new CodeStringGenerator(code, typeMapper, ef); if (!typeMapper.VerifyCaseInsensitiveTypeUniqueness(typeMapper.GetAllGlobalItems(itemCollection), inputFile))
{
return string.Empty;
} WriteHeader(codeStringGenerator, fileManager); foreach (var entity in typeMapper.GetItemsToGenerate<EntityType>(itemCollection))
{
fileManager.StartNewFile(entity.Name + "_make.cs");
#>
<#=codeStringGenerator.UsingDirectives(inHeader: false)#>
namespace Model
{ public class <#=entity.Name#>_make
{
<#
var propertiesWithDefaultValues = typeMapper.GetPropertiesWithDefaultValues(entity);
var collectionNavigationProperties = typeMapper.GetCollectionNavigationProperties(entity);
var complexProperties = typeMapper.GetComplexProperties(entity); var simpleProperties = typeMapper.GetSimpleProperties(entity);
if (simpleProperties.Any())
{
foreach (var edmProperty in simpleProperties)
{
#>
<#=codeStringGenerator.Property(edmProperty)#>
<#
}
} if (complexProperties.Any())
{
#> <#
foreach(var complexProperty in complexProperties)
{
#>
<#=codeStringGenerator.Property(complexProperty)#>
<#
}
} #>
}
<#
EndNamespace(code);
}
foreach (var complex in typeMapper.GetItemsToGenerate<ComplexType>(itemCollection))
{
fileManager.StartNewFile(complex.Name + ".cs");
BeginNamespace(code);
#>
<#=codeStringGenerator.UsingDirectives(inHeader: false, includeCollections: false)#>
<#=Accessibility.ForType(complex)#> partial class <#=code.Escape(complex)#>
{
<#
var complexProperties = typeMapper.GetComplexProperties(complex);
var propertiesWithDefaultValues = typeMapper.GetPropertiesWithDefaultValues(complex); if (propertiesWithDefaultValues.Any() || complexProperties.Any())
{
#>
public <#=code.Escape(complex)#>()
{
<#
foreach (var edmProperty in propertiesWithDefaultValues)
{
#>
this.<#=code.Escape(edmProperty)#> = <#=typeMapper.CreateLiteral(edmProperty.DefaultValue)#>;
<#
} foreach (var complexProperty in complexProperties)
{
#>
this.<#=code.Escape(complexProperty)#> = new <#=typeMapper.GetTypeName(complexProperty.TypeUsage)#>();
<#
}
#>
}
<#
} var simpleProperties = typeMapper.GetSimpleProperties(complex);
if (simpleProperties.Any())
{
foreach(var edmProperty in simpleProperties)
{
#>
<#=codeStringGenerator.Property(edmProperty)#>
<#
}
} if (complexProperties.Any())
{
#> <#
foreach(var edmProperty in complexProperties)
{
#>
<#=codeStringGenerator.Property(edmProperty)#>
<#
}
}
#>
}
<#
EndNamespace(code);
} foreach (var enumType in typeMapper.GetEnumItemsToGenerate(itemCollection))
{
fileManager.StartNewFile(enumType.Name + ".cs");
BeginNamespace(code);
#>
<#=codeStringGenerator.UsingDirectives(inHeader: false, includeCollections: false)#>
<#
if (typeMapper.EnumIsFlags(enumType))
{
#>
[Flags]
<#
}
#>
<#=codeStringGenerator.EnumOpening(enumType)#>
{
<#
var foundOne = false; foreach (MetadataItem member in typeMapper.GetEnumMembers(enumType))
{
foundOne = true;
#>
<#=code.Escape(typeMapper.GetEnumMemberName(member))#> = <#=typeMapper.GetEnumMemberValue(member)#>,
<#
} if (foundOne)
{
this.GenerationEnvironment.Remove(this.GenerationEnvironment.Length - , );
}
#>
}
<#
EndNamespace(code);
} fileManager.Process(); #> <#+
public void WriteHeader(CodeStringGenerator codeStringGenerator, EntityFrameworkTemplateFileManager fileManager)
{
fileManager.StartHeader();
#>
//------------------------------------------------------------------------------
// <auto-generated>
// <#=GetResourceString("Template_GeneratedCodeCommentLine1")#>
//
// <#=GetResourceString("Template_GeneratedCodeCommentLine2")#>
// <#=GetResourceString("Template_GeneratedCodeCommentLine3")#>
// </auto-generated>
//------------------------------------------------------------------------------
<#=codeStringGenerator.UsingDirectives(inHeader: true)#>
<#+
fileManager.EndBlock();
} public void BeginNamespace(CodeGenerationTools code)
{
var codeNamespace = code.VsNamespaceSuggestion();
if (!String.IsNullOrEmpty(codeNamespace))
{
#>
namespace <#=code.EscapeNamespace(codeNamespace)#>
{
<#+
PushIndent(" ");
}
} public void EndNamespace(CodeGenerationTools code)
{
if (!String.IsNullOrEmpty(code.VsNamespaceSuggestion()))
{
PopIndent();
#>
}
<#+
}
} public const string TemplateId = "CSharp_DbContext_Types_EF5"; public class CodeStringGenerator
{
private readonly CodeGenerationTools _code;
private readonly TypeMapper _typeMapper;
private readonly MetadataTools _ef; public CodeStringGenerator(CodeGenerationTools code, TypeMapper typeMapper, MetadataTools ef)
{
ArgumentNotNull(code, "code");
ArgumentNotNull(typeMapper, "typeMapper");
ArgumentNotNull(ef, "ef"); _code = code;
_typeMapper = typeMapper;
_ef = ef;
} public string Property(EdmProperty edmProperty)
{
return string.Format(
CultureInfo.InvariantCulture,
"{0} {1} {2} {{ {3}get; {4}set; }}",
Accessibility.ForProperty(edmProperty),
_typeMapper.GetTypeName(edmProperty.TypeUsage),
_code.Escape(edmProperty),
_code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
_code.SpaceAfter(Accessibility.ForSetter(edmProperty)));
} public string NavigationProperty(NavigationProperty navigationProperty)
{
var endType = _typeMapper.GetTypeName(navigationProperty.ToEndMember.GetEntityType());
return string.Format(
CultureInfo.InvariantCulture,
"{0} {1} {2} {{ {3}get; {4}set; }}",
AccessibilityAndVirtual(Accessibility.ForProperty(navigationProperty)),
navigationProperty.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many ? ("ICollection<" + endType + ">") : endType,
_code.Escape(navigationProperty),
_code.SpaceAfter(Accessibility.ForGetter(navigationProperty)),
_code.SpaceAfter(Accessibility.ForSetter(navigationProperty)));
} public string AccessibilityAndVirtual(string accessibility)
{
return accessibility + (accessibility != "private" ? " virtual" : "");
} public string EntityClassOpening(EntityType entity)
{
return string.Format(
CultureInfo.InvariantCulture,
"{0} {1}partial class {2}{3}",
Accessibility.ForType(entity),
_code.SpaceAfter(_code.AbstractOption(entity)),
_code.Escape(entity),
_code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)));
} public string EnumOpening(SimpleType enumType)
{
return string.Format(
CultureInfo.InvariantCulture,
"{0} enum {1} : {2}",
Accessibility.ForType(enumType),
_code.Escape(enumType),
_code.Escape(_typeMapper.UnderlyingClrType(enumType)));
} public void WriteFunctionParameters(EdmFunction edmFunction, Action<string, string, string, string> writeParameter)
{
var parameters = FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
foreach (var parameter in parameters.Where(p => p.NeedsLocalVariable))
{
var isNotNull = parameter.IsNullableOfT ? parameter.FunctionParameterName + ".HasValue" : parameter.FunctionParameterName + " != null";
var notNullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", " + parameter.FunctionParameterName + ")";
var nullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", typeof(" + parameter.RawClrTypeName + "))";
writeParameter(parameter.LocalVariableName, isNotNull, notNullInit, nullInit);
}
} public string ComposableFunctionMethod(EdmFunction edmFunction, string modelNamespace)
{
var parameters = _typeMapper.GetParameters(edmFunction); return string.Format(
CultureInfo.InvariantCulture,
"{0} IQueryable<{1}> {2}({3})",
AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
_typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
_code.Escape(edmFunction),
string.Join(", ", parameters.Select(p => p.FunctionParameterType + " " + p.FunctionParameterName).ToArray()));
} public string ComposableCreateQuery(EdmFunction edmFunction, string modelNamespace)
{
var parameters = _typeMapper.GetParameters(edmFunction); return string.Format(
CultureInfo.InvariantCulture,
"return ((IObjectContextAdapter)this).ObjectContext.CreateQuery<{0}>(\"[{1}].[{2}]({3})\"{4});",
_typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
edmFunction.NamespaceName,
edmFunction.Name,
string.Join(", ", parameters.Select(p => "@" + p.EsqlParameterName).ToArray()),
_code.StringBefore(", ", string.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray())));
} public string FunctionMethod(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
{
var parameters = _typeMapper.GetParameters(edmFunction);
var returnType = _typeMapper.GetReturnType(edmFunction); var paramList = String.Join(", ", parameters.Select(p => p.FunctionParameterType + " " + p.FunctionParameterName).ToArray());
if (includeMergeOption)
{
paramList = _code.StringAfter(paramList, ", ") + "MergeOption mergeOption";
} return string.Format(
CultureInfo.InvariantCulture,
"{0} {1} {2}({3})",
AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
returnType == null ? "int" : "ObjectResult<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
_code.Escape(edmFunction),
paramList);
} public string ExecuteFunction(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
{
var parameters = _typeMapper.GetParameters(edmFunction);
var returnType = _typeMapper.GetReturnType(edmFunction); var callParams = _code.StringBefore(", ", String.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray()));
if (includeMergeOption)
{
callParams = ", mergeOption" + callParams;
} return string.Format(
CultureInfo.InvariantCulture,
"return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction{0}(\"{1}\"{2});",
returnType == null ? "" : "<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
edmFunction.Name,
callParams);
} public string DbSet(EntitySet entitySet)
{
return string.Format(
CultureInfo.InvariantCulture,
"{0} DbSet<{1}> {2} {{ get; set; }}",
Accessibility.ForReadOnlyProperty(entitySet),
_typeMapper.GetTypeName(entitySet.ElementType),
_code.Escape(entitySet));
} public string UsingDirectives(bool inHeader, bool includeCollections = true)
{
return inHeader == string.IsNullOrEmpty(_code.VsNamespaceSuggestion())
? string.Format(
CultureInfo.InvariantCulture,
"{0}using System;{1}" +
"{2}",
inHeader ? Environment.NewLine : "",
includeCollections ? (Environment.NewLine + "using System.Collections.Generic;") : "",
inHeader ? "" : Environment.NewLine)
: "";
}
} public class TypeMapper
{
private const string ExternalTypeNameAttributeName = @"http://schemas.microsoft.com/ado/2006/04/codegeneration:ExternalTypeName"; private readonly System.Collections.IList _errors;
private readonly CodeGenerationTools _code;
private readonly MetadataTools _ef; public TypeMapper(CodeGenerationTools code, MetadataTools ef, System.Collections.IList errors)
{
ArgumentNotNull(code, "code");
ArgumentNotNull(ef, "ef");
ArgumentNotNull(errors, "errors"); _code = code;
_ef = ef;
_errors = errors;
} public string GetTypeName(TypeUsage typeUsage)
{
return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace: null);
} public string GetTypeName(EdmType edmType)
{
return GetTypeName(edmType, isNullable: null, modelNamespace: null);
} public string GetTypeName(TypeUsage typeUsage, string modelNamespace)
{
return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace);
} public string GetTypeName(EdmType edmType, string modelNamespace)
{
return GetTypeName(edmType, isNullable: null, modelNamespace: modelNamespace);
} public string GetTypeName(EdmType edmType, bool? isNullable, string modelNamespace)
{
if (edmType == null)
{
return null;
} var collectionType = edmType as CollectionType;
if (collectionType != null)
{
return String.Format(CultureInfo.InvariantCulture, "ICollection<{0}>", GetTypeName(collectionType.TypeUsage, modelNamespace));
} var typeName = _code.Escape(edmType.MetadataProperties
.Where(p => p.Name == ExternalTypeNameAttributeName)
.Select(p => (string)p.Value)
.FirstOrDefault())
?? (modelNamespace != null && edmType.NamespaceName != modelNamespace ?
_code.CreateFullName(_code.EscapeNamespace(edmType.NamespaceName), _code.Escape(edmType)) :
_code.Escape(edmType)); if (edmType is StructuralType)
{
return typeName;
} if (edmType is SimpleType)
{
var clrType = UnderlyingClrType(edmType);
if (!IsEnumType(edmType))
{
typeName = _code.Escape(clrType);
} return clrType.IsValueType && isNullable == true ?
String.Format(CultureInfo.InvariantCulture, "Nullable<{0}>", typeName) :
typeName;
} throw new ArgumentException("edmType");
} public Type UnderlyingClrType(EdmType edmType)
{
ArgumentNotNull(edmType, "edmType"); var primitiveType = edmType as PrimitiveType;
if (primitiveType != null)
{
return primitiveType.ClrEquivalentType;
} if (IsEnumType(edmType))
{
return GetEnumUnderlyingType(edmType).ClrEquivalentType;
} return typeof(object);
} public object GetEnumMemberValue(MetadataItem enumMember)
{
ArgumentNotNull(enumMember, "enumMember"); var valueProperty = enumMember.GetType().GetProperty("Value");
return valueProperty == null ? null : valueProperty.GetValue(enumMember, null);
} public string GetEnumMemberName(MetadataItem enumMember)
{
ArgumentNotNull(enumMember, "enumMember"); var nameProperty = enumMember.GetType().GetProperty("Name");
return nameProperty == null ? null : (string)nameProperty.GetValue(enumMember, null);
} public System.Collections.IEnumerable GetEnumMembers(EdmType enumType)
{
ArgumentNotNull(enumType, "enumType"); var membersProperty = enumType.GetType().GetProperty("Members");
return membersProperty != null
? (System.Collections.IEnumerable)membersProperty.GetValue(enumType, null)
: Enumerable.Empty<MetadataItem>();
} public bool EnumIsFlags(EdmType enumType)
{
ArgumentNotNull(enumType, "enumType"); var isFlagsProperty = enumType.GetType().GetProperty("IsFlags");
return isFlagsProperty != null && (bool)isFlagsProperty.GetValue(enumType, null);
} public bool IsEnumType(GlobalItem edmType)
{
ArgumentNotNull(edmType, "edmType"); return edmType.GetType().Name == "EnumType";
} public PrimitiveType GetEnumUnderlyingType(EdmType enumType)
{
ArgumentNotNull(enumType, "enumType"); return (PrimitiveType)enumType.GetType().GetProperty("UnderlyingType").GetValue(enumType, null);
} public string CreateLiteral(object value)
{
if (value == null || value.GetType() != typeof(TimeSpan))
{
return _code.CreateLiteral(value);
} return string.Format(CultureInfo.InvariantCulture, "new TimeSpan({0})", ((TimeSpan)value).Ticks);
} public bool VerifyCaseInsensitiveTypeUniqueness(IEnumerable<string> types, string sourceFile)
{
ArgumentNotNull(types, "types");
ArgumentNotNull(sourceFile, "sourceFile"); var hash = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
if (types.Any(item => !hash.Add(item)))
{
_errors.Add(
new CompilerError(sourceFile, -, -, "",
String.Format(CultureInfo.CurrentCulture, GetResourceString("Template_CaseInsensitiveTypeConflict"))));
return false;
}
return true;
} public IEnumerable<SimpleType> GetEnumItemsToGenerate(IEnumerable<GlobalItem> itemCollection)
{
return GetItemsToGenerate<SimpleType>(itemCollection)
.Where(e => IsEnumType(e));
} public IEnumerable<T> GetItemsToGenerate<T>(IEnumerable<GlobalItem> itemCollection) where T: EdmType
{
return itemCollection
.OfType<T>()
.Where(i => !i.MetadataProperties.Any(p => p.Name == ExternalTypeNameAttributeName))
.OrderBy(i => i.Name);
} public IEnumerable<string> GetAllGlobalItems(IEnumerable<GlobalItem> itemCollection)
{
return itemCollection
.Where(i => i is EntityType || i is ComplexType || i is EntityContainer || IsEnumType(i))
.Select(g => GetGlobalItemName(g));
} public string GetGlobalItemName(GlobalItem item)
{
if (item is EdmType)
{
return ((EdmType)item).Name;
}
else
{
return ((EntityContainer)item).Name;
}
} public IEnumerable<EdmProperty> GetSimpleProperties(EntityType type)
{
return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
} public IEnumerable<EdmProperty> GetSimpleProperties(ComplexType type)
{
return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
} public IEnumerable<EdmProperty> GetComplexProperties(EntityType type)
{
return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
} public IEnumerable<EdmProperty> GetComplexProperties(ComplexType type)
{
return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
} public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(EntityType type)
{
return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
} public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(ComplexType type)
{
return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
} public IEnumerable<NavigationProperty> GetNavigationProperties(EntityType type)
{
return type.NavigationProperties.Where(np => np.DeclaringType == type);
} public IEnumerable<NavigationProperty> GetCollectionNavigationProperties(EntityType type)
{
return type.NavigationProperties.Where(np => np.DeclaringType == type && np.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many);
} public FunctionParameter GetReturnParameter(EdmFunction edmFunction)
{
ArgumentNotNull(edmFunction, "edmFunction"); var returnParamsProperty = edmFunction.GetType().GetProperty("ReturnParameters");
return returnParamsProperty == null
? edmFunction.ReturnParameter
: ((IEnumerable<FunctionParameter>)returnParamsProperty.GetValue(edmFunction, null)).FirstOrDefault();
} public bool IsComposable(EdmFunction edmFunction)
{
ArgumentNotNull(edmFunction, "edmFunction"); var isComposableProperty = edmFunction.GetType().GetProperty("IsComposableAttribute");
return isComposableProperty != null && (bool)isComposableProperty.GetValue(edmFunction, null);
} public IEnumerable<FunctionImportParameter> GetParameters(EdmFunction edmFunction)
{
return FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
} public TypeUsage GetReturnType(EdmFunction edmFunction)
{
var returnParam = GetReturnParameter(edmFunction);
return returnParam == null ? null : _ef.GetElementType(returnParam.TypeUsage);
} public bool GenerateMergeOptionFunction(EdmFunction edmFunction, bool includeMergeOption)
{
var returnType = GetReturnType(edmFunction);
return !includeMergeOption && returnType != null && returnType.EdmType.BuiltInTypeKind == BuiltInTypeKind.EntityType;
}
} public class EdmMetadataLoader
{
private readonly IDynamicHost _host;
private readonly System.Collections.IList _errors; public EdmMetadataLoader(IDynamicHost host, System.Collections.IList errors)
{
ArgumentNotNull(host, "host");
ArgumentNotNull(errors, "errors"); _host = host;
_errors = errors;
} public IEnumerable<GlobalItem> CreateEdmItemCollection(string sourcePath)
{
ArgumentNotNull(sourcePath, "sourcePath"); if (!ValidateInputPath(sourcePath))
{
return new EdmItemCollection();
} var schemaElement = LoadRootElement(_host.ResolvePath(sourcePath));
if (schemaElement != null)
{
using (var reader = schemaElement.CreateReader())
{
IList<EdmSchemaError> errors;
var itemCollection = MetadataItemCollectionFactory.CreateEdmItemCollection(new[] { reader }, out errors); ProcessErrors(errors, sourcePath); return itemCollection;
}
}
return new EdmItemCollection();
} public string GetModelNamespace(string sourcePath)
{
ArgumentNotNull(sourcePath, "sourcePath"); if (!ValidateInputPath(sourcePath))
{
return string.Empty;
} var model = LoadRootElement(_host.ResolvePath(sourcePath));
if (model == null)
{
return string.Empty;
} var attribute = model.Attribute("Namespace");
return attribute != null ? attribute.Value : "";
} private bool ValidateInputPath(string sourcePath)
{
if (sourcePath == "$" + "edmxInputFile" + "$")
{
_errors.Add(
new CompilerError(_host.TemplateFile ?? sourcePath, , , string.Empty,
GetResourceString("Template_ReplaceVsItemTemplateToken")));
return false;
} return true;
} public XElement LoadRootElement(string sourcePath)
{
ArgumentNotNull(sourcePath, "sourcePath"); var root = XElement.Load(sourcePath, LoadOptions.SetBaseUri | LoadOptions.SetLineInfo);
return root.Elements()
.Where(e => e.Name.LocalName == "Runtime")
.Elements()
.Where(e => e.Name.LocalName == "ConceptualModels")
.Elements()
.Where(e => e.Name.LocalName == "Schema")
.FirstOrDefault()
?? root;
} private void ProcessErrors(IEnumerable<EdmSchemaError> errors, string sourceFilePath)
{
foreach (var error in errors)
{
_errors.Add(
new CompilerError(
error.SchemaLocation ?? sourceFilePath,
error.Line,
error.Column,
error.ErrorCode.ToString(CultureInfo.InvariantCulture),
error.Message)
{
IsWarning = error.Severity == EdmSchemaErrorSeverity.Warning
});
}
} public bool IsLazyLoadingEnabled(EntityContainer container)
{
string lazyLoadingAttributeValue;
var lazyLoadingAttributeName = MetadataConstants.EDM_ANNOTATION_09_02 + ":LazyLoadingEnabled";
bool isLazyLoading;
return !MetadataTools.TryGetStringMetadataPropertySetting(container, lazyLoadingAttributeName, out lazyLoadingAttributeValue)
|| !bool.TryParse(lazyLoadingAttributeValue, out isLazyLoading)
|| isLazyLoading;
}
} public static void ArgumentNotNull<T>(T arg, string name) where T : class
{
if (arg == null)
{
throw new ArgumentNullException(name);
}
} private static readonly Lazy<System.Resources.ResourceManager> ResourceManager =
new Lazy<System.Resources.ResourceManager>(
() => new System.Resources.ResourceManager("System.Data.Entity.Design", typeof(MetadataItemCollectionFactory).Assembly), isThreadSafe: true); public static string GetResourceString(string resourceName)
{
ArgumentNotNull(resourceName, "resourceName"); return ResourceManager.Value.GetString(resourceName, null);
}
#>