Solved

New to T4 Templates

Posted on 2011-02-16
2
751 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;
}
#>

Open in new window

0
Comment
Question by:newbieweb
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 16

Accepted Solution

by:
Kalpesh Chhatrala earned 500 total points
ID: 34913288
0
 

Author Closing Comment

by:newbieweb
ID: 34916418
Thanks.
0

Featured Post

PeopleSoft Has Never Been Easier

PeopleSoft Adoption Made Smooth & Simple!

On-The-Job Training Is made Intuitive & Easy With WalkMe's On-Screen Guidance Tool.  Claim Your Free WalkMe Account Now

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Today I had a very interesting conundrum that had to get solved quickly. Needless to say, it wasn't resolved quickly because when we needed it we were very rushed, but as soon as the conference call was over and I took a step back I saw the correct …
A long time ago (May 2011), I have written an article showing you how to create a DLL using Visual Studio 2005 to be hosted in SQL Server 2005. That was valid at that time and it is still valid if you are still using these versions. You can still re…
Nobody understands Phishing better than an anti-spam company. That’s why we are providing Phishing Awareness Training to our customers. According to a report by Verizon, only 3% of targeted users report malicious emails to management. With compan…
With Secure Portal Encryption, the recipient is sent a link to their email address directing them to the email laundry delivery page. From there, the recipient will be required to enter a user name and password to enter the page. Once the recipient …

737 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question