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New to T4 Templates

Posted on 2011-02-16
2
Medium Priority
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771 Views
Last Modified: 2012-08-14
I generated the attached T4 Template but do not know where I should insert my entity object.

Please explain if you know...

Thanks,
newbieweb
<#
//*********************************************************
//
//    Copyright (c) Microsoft. All rights reserved.
//    This code is licensed under the Microsoft Public License.
//    THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
//    ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
//    IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
//    PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
//
//*********************************************************
#>
<#@ template language="C#" debug="false" hostspecific="true"#>
<#@ include file="EF.Utility.CS.ttinclude"#><#@
 output extension=".cs"#><#

CodeGenerationTools code = new CodeGenerationTools(this);
MetadataLoader loader = new MetadataLoader(this);
CodeRegion region = new CodeRegion(this, 1);
MetadataTools ef = new MetadataTools(this);

string inputFile = @"$edmxInputFile$";
EdmItemCollection ItemCollection = loader.CreateEdmItemCollection(inputFile);
string namespaceName = code.VsNamespaceSuggestion();

EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this);

// Write out support code to primary template output file
WriteHeader(fileManager);
BeginNamespace(namespaceName, code);
WriteCustomObservableCollection();
EndNamespace(namespaceName);

// Emit Entity Types
foreach (EntityType entity in ItemCollection.GetItems<EntityType>().OrderBy(e => e.Name))
{
    fileManager.StartNewFile(entity.Name + ".cs");
    BeginNamespace(namespaceName, code);
    bool entityHasNullableFKs = entity.NavigationProperties.Any(np => np.GetDependentProperties().Any(p=>ef.IsNullable(p)));
#>
<#=Accessibility.ForType(entity)#> <#=code.SpaceAfter(code.AbstractOption(entity))#>partial class <#=code.Escape(entity)#><#=code.StringBefore(" : ", code.Escape(entity.BaseType))#>
{
<#
    region.Begin("Primitive Properties");

    foreach (EdmProperty edmProperty in entity.Properties.Where(p => p.TypeUsage.EdmType is PrimitiveType && p.DeclaringType == entity))
    {
        bool isForeignKey = entity.NavigationProperties.Any(np=>np.GetDependentProperties().Contains(edmProperty));
        bool isDefaultValueDefinedInModel = (edmProperty.DefaultValue != null);
        bool generateAutomaticProperty = false;



#>

    <#=PropertyVirtualModifier(Accessibility.ForProperty(edmProperty))#> <#=code.Escape(edmProperty.TypeUsage)#> <#=code.Escape(edmProperty)#>
    {
<#
        if (isForeignKey)
        {
#>
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get { return <#=code.FieldName(edmProperty)#>; }
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set
        {
<#
            if (entityHasNullableFKs)
            {
#>
            try
            {
                _settingFK = true;
<#
                PushIndent(CodeRegion.GetIndent(1));
            }
            if (((PrimitiveType)edmProperty.TypeUsage.EdmType).PrimitiveTypeKind == PrimitiveTypeKind.Binary)
            {
#>
            if (!StructuralComparisons.StructuralEqualityComparer.Equals(<#=code.FieldName(edmProperty)#>, value))
<#
            }
            else
            {
#>
            if (<#=code.FieldName(edmProperty)#> != value)
<#
            }
#>
            {
<#
            foreach (var np in entity.NavigationProperties.Where(np=>np.GetDependentProperties().Contains(edmProperty)))
            {
                EdmProperty principalProperty = ef.GetCorrespondingPrincipalProperty(np, edmProperty);
                if (((PrimitiveType)principalProperty.TypeUsage.EdmType).PrimitiveTypeKind == PrimitiveTypeKind.Binary)
                {
#>
                if ((<#=code.Escape(np)#> != null) && !StructuralComparisons.StructuralEqualityComparer.Equals(<#=code.Escape(np)#>.<#=code.Escape(principalProperty)#>, value))
<#
                }
                else
                {
#>
                if (<#=code.Escape(np)#> != null && <#=code.Escape(np)#>.<#=code.Escape(principalProperty)#> != value)
<#
                }
#>
                {
<#
                if (!(np.GetDependentProperties().Where(p=>ef.IsNullable(p)).Any() &&
                      np.GetDependentProperties().Count() > 1))
                {
#>
                    <#=code.Escape(np)#> = null;
<#
                }
                else
                {
#>
                    var previousValue = <#=code.FieldName(np)#>;
                    <#=code.FieldName(np)#> = null;
                    Fixup<#=np.Name#>(previousValue, skipKeys: true);
<#
                }
#>
                }
<#
            }
#>
                <#=code.FieldName(edmProperty)#> = value;
            }
<#
            if (entityHasNullableFKs)
            {
                PopIndent();
#>
            }
            finally
            {
                _settingFK = false;
            }
<#
            }
#>
        }
<#
        }
        else if (isDefaultValueDefinedInModel)
        {
#>
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get { return <#=code.FieldName(edmProperty)#>; }
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set { <#=code.FieldName(edmProperty)#> = value; }
<#
        }
        else
        {
            generateAutomaticProperty = true;
#>
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get;
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set;
<#
        }
#>
    }
<#
        if (!generateAutomaticProperty)
        {
#>
    private <#=code.Escape(edmProperty.TypeUsage)#> <#=code.FieldName(edmProperty)#><#=code.StringBefore(" = ", code.CreateLiteral(edmProperty.DefaultValue))#>;
<#
        }
    }
    region.End();

    region.Begin("Complex Properties");

    foreach(EdmProperty edmProperty in entity.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == entity))
    {
#>

    <#=PropertyVirtualModifier(Accessibility.ForProperty(edmProperty))#> <#=code.Escape(edmProperty.TypeUsage)#> <#=code.Escape(edmProperty)#>
    {
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get { return <#=code.FieldName(edmProperty)#>; }
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set { <#=code.FieldName(edmProperty)#> = value; }
    }
    private <#=code.Escape(edmProperty.TypeUsage)#> <#=code.FieldName(edmProperty)#> = new <#=code.Escape(edmProperty.TypeUsage)#>();
<#
    }

    region.End();

    ////////
    //////// Write Navigation properties -------------------------------------------------------------------------------------------
    ////////

    region.Begin("Navigation Properties");

    foreach (NavigationProperty navProperty in entity.NavigationProperties.Where(np => np.DeclaringType == entity))
    {
        NavigationProperty inverse = ef.Inverse(navProperty);
        if (inverse != null &&  !IsReadWriteAccessibleProperty(inverse))
        {
            inverse = null;
        }
#>

<#
        if (navProperty.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many)
        {
#>
    <#=PropertyVirtualModifier(Accessibility.ForReadOnlyProperty(navProperty))#> ICollection<<#=code.Escape(navProperty.ToEndMember.GetEntityType())#>> <#=code.Escape(navProperty)#>
    {
        get
        {
            if (<#=code.FieldName(navProperty)#> == null)
            {
<#
                if (inverse != null || ((AssociationType)navProperty.RelationshipType).IsForeignKey)
                {
#>
                var newCollection = new FixupCollection<<#=code.Escape(navProperty.ToEndMember.GetEntityType())#>>();
                newCollection.CollectionChanged += Fixup<#=navProperty.Name#>;
                <#=code.FieldName(navProperty)#> = newCollection;
<#
                }
                else
                {
#>
                <#=code.FieldName(navProperty)#> = new FixupCollection<<#=code.Escape(navProperty.ToEndMember.GetEntityType())#>>();
<#
                }
#>
            }
            return <#=code.FieldName(navProperty)#>;
        }
        set
        {
<#
            if (inverse != null || ((AssociationType)navProperty.RelationshipType).IsForeignKey)
            {
#>
            if (!ReferenceEquals(<#=code.FieldName(navProperty)#>, value))
            {
                var previousValue = <#=code.FieldName(navProperty)#> as FixupCollection<<#=code.Escape(navProperty.ToEndMember.GetEntityType())#>>;
                if (previousValue != null)
                {
                    previousValue.CollectionChanged -= Fixup<#=navProperty.Name#>;
                }
                <#=code.FieldName(navProperty)#> = value;
                var newValue = value as FixupCollection<<#=code.Escape(navProperty.ToEndMember.GetEntityType())#>>;
                if (newValue != null)
                {
                    newValue.CollectionChanged += Fixup<#=navProperty.Name#>;
                }
            }
<#
            }
            else
            {
#>
            <#=code.FieldName(navProperty)#> = value;
<#
            }
#>
        }
    }
    private ICollection<<#=code.Escape(navProperty.ToEndMember.GetEntityType())#>> <#=code.FieldName(navProperty)#>;
<#
        }
        else
        {
#>
    <#=PropertyVirtualModifier(Accessibility.ForProperty(navProperty))#> <#=code.Escape(navProperty.ToEndMember.GetEntityType())#> <#=code.Escape(navProperty)#>
    {
<#
            if (inverse != null || ((AssociationType)navProperty.RelationshipType).IsForeignKey)
            {
#>
        <#=code.SpaceAfter(Accessibility.ForGetter(navProperty))#>get { return <#=code.FieldName(navProperty)#>; }
        <#=code.SpaceAfter(Accessibility.ForSetter(navProperty))#>set
        {
            if (!ReferenceEquals(<#=code.FieldName(navProperty)#>, value))
            {
                var previousValue = <#=code.FieldName(navProperty)#>;
                <#=code.FieldName(navProperty)#> = value;
                Fixup<#=navProperty.Name#>(previousValue);
            }
        }
    }
    private <#=code.Escape(navProperty.ToEndMember.GetEntityType())#> <#=code.FieldName(navProperty)#>;
<#
            }
            else
            {
#>
        <#=code.SpaceAfter(Accessibility.ForGetter(navProperty))#>get;
        <#=code.SpaceAfter(Accessibility.ForSetter(navProperty))#>set;
    }
<#
            }
        }
    }
    region.End();

    region.Begin("Association Fixup");

    if (entityHasNullableFKs)
    {
#>

    private bool _settingFK = false;
<#
    }
    foreach (NavigationProperty navProperty in entity.NavigationProperties.Where(np => np.DeclaringType == entity))
    {
        NavigationProperty inverse = ef.Inverse(navProperty);

        if (inverse != null && !IsReadWriteAccessibleProperty(inverse))
        {
            inverse = null;
        }

        if ( (inverse != null || ((AssociationType)navProperty.RelationshipType).IsForeignKey) &&
             (navProperty.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many) )
        {
            var skipKeysArgument = (navProperty.GetDependentProperties().Where(p=>ef.IsNullable(p)).Any() && navProperty.GetDependentProperties().Count() > 1)
                ? ", bool skipKeys = false"
                : String.Empty;
#>

    private void Fixup<#=navProperty.Name#>(<#=code.Escape(navProperty.ToEndMember.GetEntityType())#> previousValue<#= skipKeysArgument #>)
    {
<#
        if (inverse != null)
        {
            if (inverse.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many)
            {
#>
        if (previousValue != null && previousValue.<#=code.Escape(inverse)#>.Contains(this))
        {
            previousValue.<#=code.Escape(inverse)#>.Remove(this);
        }
<#
            }
            else
            {
#>
        if (previousValue != null && ReferenceEquals(previousValue.<#=code.Escape(inverse)#>, this))
        {
            previousValue.<#=code.Escape(inverse)#> = null;
        }
<#
            }

            if (inverse.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many)
            {
#>

        if (<#=code.Escape(navProperty)#> != null)
        {
            if (!<#=code.Escape(navProperty)#>.<#=code.Escape(inverse)#>.Contains(this))
            {
                <#=code.Escape(navProperty)#>.<#=code.Escape(inverse)#>.Add(this);
            }
<#
                foreach (var dependentProperty in navProperty.GetDependentProperties())
                {
                    EdmProperty principalProperty = ef.GetCorrespondingPrincipalProperty(navProperty, dependentProperty);
                    if (((PrimitiveType)principalProperty.TypeUsage.EdmType).PrimitiveTypeKind == PrimitiveTypeKind.Binary)
                    {
#>
            if (!StructuralComparisons.StructuralEqualityComparer.Equals(<#=code.Escape(dependentProperty)#>, <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>))
<#
                    }
                    else
                    {
#>
            if (<#=code.Escape(dependentProperty)#> != <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>)
<#
                    }
#>
            {
                <#=code.Escape(dependentProperty)#> = <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>;
            }
<#
                }
#>
        }
<#
                if (navProperty.GetDependentProperties().Where(p=>ef.IsNullable(p)).Any())
                {
                    if (navProperty.GetDependentProperties().Count() > 1)
                    {
#>
        else if (!_settingFK && !skipKeys)
<#
                    }
                    else
                    {
#>
        else if (!_settingFK)
<#
                    }
#>
        {
<#
                    foreach (var dependentProperty in navProperty.GetDependentProperties().Where(p => ef.IsNullable(p)))
                    {
#>
            <#=code.Escape(dependentProperty)#> = null;
<#
                    }
#>
        }
<#
                }
            }
            else
            {
#>

        if (<#=code.Escape(navProperty)#> != null)
        {
            <#=code.Escape(navProperty)#>.<#=code.Escape(inverse)#> = this;
<#
                foreach (var dependentProperty in navProperty.GetDependentProperties())
                {
                    EdmProperty principalProperty = ef.GetCorrespondingPrincipalProperty(navProperty, dependentProperty);
                    if (((PrimitiveType)principalProperty.TypeUsage.EdmType).PrimitiveTypeKind == PrimitiveTypeKind.Binary)
                    {
#>
            if (!StructuralComparisons.StructuralEqualityComparer.Equals(<#=code.Escape(dependentProperty)#>, <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>))
<#
                    }
                    else
                    {
#>
            if (<#=code.Escape(dependentProperty)#> != <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>)
<#
                    }
#>
            {
                <#=code.Escape(dependentProperty)#> = <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>;
            }
<#
                }
#>
        }
<#
            }
        }
        else
        {
            if (navProperty.GetDependentProperties().Any())
            {
#>
        if (<#=code.Escape(navProperty)#> != null)
        {
<#
                foreach (var dependentProperty in navProperty.GetDependentProperties())
                {
                    EdmProperty principalProperty = ef.GetCorrespondingPrincipalProperty(navProperty, dependentProperty);
                    if (((PrimitiveType)principalProperty.TypeUsage.EdmType).PrimitiveTypeKind == PrimitiveTypeKind.Binary)
                    {
#>
            if (!StructuralComparisons.StructuralEqualityComparer.Equals(<#=code.Escape(dependentProperty)#>, <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>))
<#
                    }
                    else
                    {
#>
            if (<#=code.Escape(dependentProperty)#> != <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>)
<#
                    }
#>
            {
                <#=code.Escape(dependentProperty)#> = <#=code.Escape(navProperty)#>.<#=code.Escape(principalProperty)#>;
            }
<#
                }
#>
        }
<#
                if (navProperty.GetDependentProperties().Where(p => ef.IsNullable(p)).Any())
                {
                    if (navProperty.GetDependentProperties().Count() > 1)
                    {
#>
        else if (!_settingFK && !skipKeys)
<#
                    }
                    else
                    {
#>
        else if (!_settingFK)
<#
                    }
#>
        {
<#
                    foreach (var dependentProperty in navProperty.GetDependentProperties().Where(p => ef.IsNullable(p)))
                    {
#>
            <#=code.Escape(dependentProperty)#> = null;
<#
                    }
#>
        }
<#
                }
            }
            else if (((AssociationType)navProperty.RelationshipType).IsForeignKey)
            {
#>
        if (<#=code.Escape(navProperty)#> != null)
        {
<#
                foreach (var fromProperty in ef.GetPrincipalProperties(navProperty))
                {
#>
            <#=code.Escape(navProperty)#>.<#=code.Escape(ef.GetCorrespondingDependentProperty(navProperty, fromProperty))#> = <#=code.Escape(fromProperty)#>;
<#
                }
#>
        }
<#
            }
        }
#>
    }
<#
        }
    }

    foreach (NavigationProperty navProperty in entity.NavigationProperties.Where(np => np.DeclaringType == entity))
    {
        NavigationProperty inverse = ef.Inverse(navProperty);

        if (inverse != null && !IsReadWriteAccessibleProperty(inverse))
        {
            inverse = null;
        }

        if ( (inverse != null || ((AssociationType)navProperty.RelationshipType).IsForeignKey) &&
             (navProperty.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many) )
        {
#>

    private void Fixup<#=navProperty.Name#>(object sender, NotifyCollectionChangedEventArgs e)
    {
        if (e.NewItems != null)
        {
            foreach (<#=code.Escape(navProperty.ToEndMember.GetEntityType())#> item in e.NewItems)
            {
<#
                if (inverse != null)
                {
                    if (inverse.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many)
                    {
#>
                item.<#=code.Escape(inverse)#> = this;
<#
                    }
                    else
                    {
#>
                if (!item.<#=code.Escape(inverse)#>.Contains(this))
                {
                    item.<#=code.Escape(inverse)#>.Add(this);
                }
<#
                    }
                }
                else if (((AssociationType)navProperty.RelationshipType).IsForeignKey)
                {
                    foreach (var fromProperty in ef.GetPrincipalProperties(navProperty))
                    {
#>
                item.<#=code.Escape(ef.GetCorrespondingDependentProperty(navProperty, fromProperty))#> = <#=code.Escape(fromProperty)#>;
<#
                    }
                }
#>
            }
        }

        if (e.OldItems != null)
        {
            foreach (<#=code.Escape(navProperty.ToEndMember.GetEntityType())#> item in e.OldItems)
            {
<#
                if (inverse != null)
                {
                    if (inverse.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many)
                    {
#>
                if (ReferenceEquals(item.<#=code.Escape(inverse)#>, this))
                {
                    item.<#=code.Escape(inverse)#> = null;
                }
<#
                    }
                    else
                    {
#>
                if (item.<#=code.Escape(inverse)#>.Contains(this))
                {
                    item.<#=code.Escape(inverse)#>.Remove(this);
                }
<#
                    }
                }
                else if (((AssociationType)navProperty.RelationshipType).IsForeignKey)
                {
                    foreach (var fromProperty in ef.GetPrincipalProperties(navProperty))
                    {
                        var p = ef.GetCorrespondingDependentProperty(navProperty, fromProperty);
                        if (ef.IsNullable(p.TypeUsage))
                        {
#>
                item.<#=code.Escape(p)#> = null;
<#
                        }
                    }
                }
;#>
            }
        }
    }
<#
        }
    }

    region.End();
#>
}
<#
    EndNamespace(namespaceName);
}

foreach (ComplexType complex in ItemCollection.GetItems<ComplexType>().OrderBy(e => e.Name))
{
    fileManager.StartNewFile(complex.Name + ".cs");
    BeginNamespace(namespaceName, code);
#>
<#=Accessibility.ForType(complex)#> partial class <#=code.Escape(complex)#>
{
<#
    region.Begin("Primitive Properties");

    foreach(EdmProperty edmProperty in complex.Properties.Where(p => p.TypeUsage.EdmType is PrimitiveType && p.DeclaringType == complex))
    {
        bool isDefaultValueDefinedInModel = (edmProperty.DefaultValue != null);
#>

    <#=Accessibility.ForProperty(edmProperty)#> <#=code.Escape(edmProperty.TypeUsage)#> <#=code.Escape(edmProperty)#>
<#
        if (isDefaultValueDefinedInModel)
        {
#>
    {
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get { return <#=code.FieldName(edmProperty)#>; }
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set { <#=code.FieldName(edmProperty)#> = value; }
    }
    private <#=code.Escape(edmProperty.TypeUsage)#> <#=code.FieldName(edmProperty)#><#=code.StringBefore(" = ", code.CreateLiteral(edmProperty.DefaultValue))#>;
<#
        }
        else
        {
#>
    {
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get;
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set;
    }
<#
        }
    }

    region.End();

    region.Begin("Complex Properties");

    foreach(EdmProperty edmProperty in complex.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == complex))
    {
#>

    <#=Accessibility.ForProperty(edmProperty)#> <#=code.Escape(edmProperty.TypeUsage)#> <#=code.Escape(edmProperty)#>
    {
        <#=code.SpaceAfter(Accessibility.ForGetter(edmProperty))#>get { return <#=code.FieldName(edmProperty)#>; }
        <#=code.SpaceAfter(Accessibility.ForSetter(edmProperty))#>set { <#=code.FieldName(edmProperty)#> = value; }
    }
    private <#=code.Escape(edmProperty.TypeUsage)#> <#=code.FieldName(edmProperty)#> = new <#=code.Escape(edmProperty.TypeUsage)#>();
<#
    }

    region.End();
#>
}
<#
    EndNamespace(namespaceName);
}

if (!VerifyTypesAreCaseInsensitiveUnique(ItemCollection))
{
    return "";
}

fileManager.Process();

#>
<#+
void WriteHeader(EntityFrameworkTemplateFileManager fileManager, params string[] extraUsings)
{
    fileManager.StartHeader();
#>
//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated from a template.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
<#=String.Join(String.Empty, extraUsings.Select(u => "using " + u + ";" + Environment.NewLine).ToArray())#>
<#+
    fileManager.EndBlock();
}

void BeginNamespace(string namespaceName, CodeGenerationTools code)
{
    CodeRegion region = new CodeRegion(this);
    if (!String.IsNullOrEmpty(namespaceName))
    {
#>
namespace <#=code.EscapeNamespace(namespaceName)#>
{
<#+
        PushIndent(CodeRegion.GetIndent(1));
    }
}


void EndNamespace(string namespaceName)
{
    if (!String.IsNullOrEmpty(namespaceName))
    {
        PopIndent();
#>
}
<#+
    }
}

bool IsReadWriteAccessibleProperty(EdmMember member)
{
    string setter = Accessibility.ForWriteOnlyProperty(member);
    string getter = Accessibility.ForReadOnlyProperty(member);

    return getter != "private" && getter != "protected" && setter != "private" && setter != "protected";
}

string PropertyVirtualModifier(string accessibility)
{
    return accessibility + (accessibility != "private" ? " virtual" : "");
}

void WriteCustomObservableCollection()
{
#>
// An System.Collections.ObjectModel.ObservableCollection that raises
// individual item removal notifications on clear and prevents adding duplicates.
public class FixupCollection<T> : ObservableCollection<T>
{
    protected override void ClearItems()
    {
        new List<T>(this).ForEach(t => Remove(t));
    }

    protected override void InsertItem(int index, T item)
    {
        if (!this.Contains(item))
        {
            base.InsertItem(index, item);
        }
    }
}
<#+
}

bool VerifyTypesAreCaseInsensitiveUnique(EdmItemCollection itemCollection)
{
    Dictionary<string, bool> alreadySeen = new Dictionary<string, bool>(StringComparer.OrdinalIgnoreCase);
    foreach(StructuralType type in itemCollection.GetItems<StructuralType>())
    {
        if (!(type is EntityType || type is ComplexType))
        {
            continue;
        }

        if (alreadySeen.ContainsKey(type.FullName))
        {
            Error(String.Format(CultureInfo.CurrentCulture, "This template does not support types that differ only by case, the types {0} are not supported", type.FullName));
            return false;
        }
        else
        {
            alreadySeen.Add(type.FullName, true);
        }

    }

    return true;
}
#>

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Kalpesh Chhatrala earned 2000 total points
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