public ClassDeclarationSyntax GenerateClassDeclaration(RecordDeclarationSyntax record, bool initFromConstructor)
{
var leadingClassTrivia = record.GetLeadingTrivia();
var trailingClassTrivia = record.GetTrailingTrivia();
var classSyntax = ClassDeclaration(record.Identifier).WithModifiers(record.Modifiers);
var parameters = record.ParameterList?.Parameters ?? new SeparatedSyntaxList <ParameterSyntax>();
foreach (ParameterSyntax parameter in parameters)
{
if (parameter.Type != null)
{
classSyntax = classSyntax.AddMembers(
PropertyDeclaration(parameter.Type, parameter.Identifier)
.AddAccessorListAccessors(
AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.WithSemicolonToken(Token(SyntaxKind.SemicolonToken)),
AccessorDeclaration(SyntaxKind.SetAccessorDeclaration)
.WithSemicolonToken(Token(SyntaxKind.SemicolonToken)))
.AddModifiers(Token(SyntaxKind.PublicKeyword))
);
}
}
if (initFromConstructor)
{
var constructorDeclaration = ConstructorDeclaration(record.Identifier).AddModifiers(Token(SyntaxKind.PublicKeyword));
constructorDeclaration = constructorDeclaration.AddParameterListParameters(GenerateConstructorParameters(parameters).ToArray());
var constructorDeclarationSyntax = constructorDeclaration.WithBody(Block(GenerateAssignmentStatements(parameters)));
classSyntax = classSyntax.AddMembers(constructorDeclarationSyntax);
}
var result = (ClassDeclarationSyntax)classSyntax.NormalizeWhitespacesSingleLineProperties().WithLeadingTrivia(leadingClassTrivia).WithTrailingTrivia(trailingClassTrivia);
return(result !);
}
/// <summary>
/// Returns a StringBuilder with the contents of a generated source file for extension to a partial record plus its companion notifier class.
/// </summary>
/// <param name="recordSymbol"></param>
/// <param name="recordDeclarationSyntax"></param>
/// <param name="properties"></param>
/// <param name="attributeSymbol"></param>
/// <param name="notifySymbol"></param>
/// <param name="discriminatorString"></param>
/// <param name="context"></param>
/// <param name="compilation"></param>
/// <returns></returns>
private StringBuilder ProcessRecordAndClass(INamedTypeSymbol recordSymbol, RecordDeclarationSyntax recordDeclarationSyntax, List <PropertyDeclarationSyntax> properties, ISymbol attributeSymbol, string discriminatorString, GeneratorExecutionContext context, Compilation compilation)
{
string namespaceName = recordSymbol.ContainingNamespace.ToDisplayString();
bool isDerived = recordSymbol.BaseType != null && recordSymbol.BaseType.ContainingNamespace.Name == recordSymbol.ContainingNamespace.Name;
string leadingTrivia = recordDeclarationSyntax.GetLeadingTrivia().ToString();
List <(PropertyDeclarationSyntax syntax, IPropertySymbol symbol)> propertySymbols = new List <(PropertyDeclarationSyntax syntax, IPropertySymbol symbol)>();
foreach (var property in properties)
{
SemanticModel model = compilation.GetSemanticModel(property.SyntaxTree);
propertySymbols.Add((property, model.GetDeclaredSymbol(property)));
}
// begin building the generated source
StringBuilder source = new StringBuilder();
source.AppendLinesIndented(0, "using System;");
source.AppendLinesIndented(0, "using System.Collections.Generic;");
source.AppendLinesIndented(0, "using System.ComponentModel.DataAnnotations;");
source.AppendLinesIndented(0, "using System.Linq;");
source.AppendLinesIndented(0, "using Vectis.Events;");
source.AppendLinesIndented(0, "");
source.AppendLinesIndented(0, $"namespace {namespaceName}");
source.AppendLinesIndented(0, "{");
ProcessPartialRecordAddons();
source.AppendLinesIndented(1, "");
ProcessCompanionClass();
source.AppendLinesIndented(1, "}");
source.AppendLinesIndented(0, "}");
return(source);
// Adds functionality to the record.
void ProcessPartialRecordAddons()
{
source.AppendLinesIndented(1, leadingTrivia, true);
if (recordSymbol.GetAttributes().Any(ad => ad.AttributeClass.Name == $"{PolymorphicRecordAttributeName}Attribute"))
{
var children = GetChildRecords(recordSymbol);
for (int i = 0; i < children.Length; i++)
{
source.AppendLinesIndented(1, $"[MessagePack.Union({i}, typeof({children[i].Name}))]");
}
}
source.AppendLinesIndented(1, $"public {(recordSymbol.IsAbstract ? "abstract " : "")}partial record {recordSymbol.Name}");
source.AppendLinesIndented(1, "{");
// Build GetPropertyValuePairs()
{
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Returns a list of <see cref=\"CreateObjectEvent.PropertyValuePair\"/> for each property of the record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"private protected {(isDerived ? "override" : "virtual")} List<CreateObjectEvent.PropertyValuePair> GetPropertyValuePairs()");
source.AppendLinesIndented(2, "{");
source.AppendLinesIndented(3, "List<CreateObjectEvent.PropertyValuePair> properties = new();");
if (isDerived)
{
source.AppendLinesIndented(3, "properties.AddRange(base.GetPropertyValuePairs());");
}
foreach (var propertySymbol in propertySymbols.Select(p => p.symbol))
{
source.AppendLinesIndented(3, $"properties.Add(new() {{ PropertyName = \"{propertySymbol.Name}\", Value = $\"{{{propertySymbol.Name}}}\" }});");
}
source.AppendLinesIndented(3, "return properties;");
source.AppendLinesIndented(2, "}");
}
// Build ApplyUpdatePropertyEvent()
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Applies an <see cref=\"UpdatePropertyEvent\" /> returning a new a record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"updatePropertyEvent\"></param>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"public {(isDerived ? "override" : "virtual")} ViewModelBase ApplyUpdatePropertyEvent(UpdatePropertyEvent updatePropertyEvent) => ApplyUpdatePropertyEvent(updatePropertyEvent, \"{recordSymbol.Name}\");");
}
// Build ApplyUpdatePropertyEvent(UpdatePropertyEvent updatePropertyEvent, string recordName)
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Applies an <see cref=\"UpdatePropertyEvent\" /> returning a new a record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"updatePropertyEvent\"></param>");
source.AppendLinesIndented(2, "/// <param name=\"recordName\"></param>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"private protected {(isDerived ? "override" : "virtual")} ViewModelBase ApplyUpdatePropertyEvent(UpdatePropertyEvent updatePropertyEvent, string recordName)");
source.AppendLinesIndented(2, "{");
source.AppendLinesIndented(3, $"var source = this{(isDerived ? "" : " with { EventId = updatePropertyEvent.Id }")};");
source.AppendLinesIndented(3, "");
source.AppendLinesIndented(3, "return updatePropertyEvent.PropertyName.ToLower() switch");
source.AppendLinesIndented(3, "{");
foreach (var propertySymbol in propertySymbols.Select(p => p.symbol))
{
AttributeData attributeData = propertySymbol.GetAttributes().Single(ad => ad.AttributeClass.Equals(attributeSymbol, SymbolEqualityComparer.Default));
TypedConstant readOnlyOpt = attributeData.NamedArguments.SingleOrDefault(kvp => kvp.Key == "ReadOnly").Value;
if (readOnlyOpt.IsNull || !Convert.ToBoolean(readOnlyOpt.Value))
{
source.AppendLinesIndented(4, $"\"{propertySymbol.Name.ToLower()}\" => source with {{ {propertySymbol.Name} = {GetPropertyUpdateSetter(propertySymbol, "updatePropertyEvent.NextValue")} }},");
}
}
if (isDerived)
{
source.AppendLinesIndented(4, "_ => base.ApplyUpdatePropertyEvent(updatePropertyEvent, recordName),");
}
else
{
source.AppendLinesIndented(4, $"_ => throw new Exception($\"Cannot set property '{{updatePropertyEvent.PropertyName}}' on record of type '{{recordName}}'\"),");
}
source.AppendLinesIndented(3, "};");
source.AppendLinesIndented(2, "}");
}
// Build ApplyDeleteObjectEvent() and ApplyUndeleteObjectEvent()
if (!isDerived)
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Applies a <see cref=\"CreateObjectEvent\" /> returning a new a record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"deleteObjectEvent\"></param>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"public static ViewModelBase ApplyCreateObjectEvent(CreateObjectEvent createObjectEvent)");
source.AppendLinesIndented(2, "{");
var children = GetChildRecords(recordSymbol);
for (int i = 0; i < children.Length; i++)
{
var discriminatorAttribute = children[i].GetAttributes().Where(ad => ad.AttributeClass.Name == $"{TypeDiscriminatorAttributeName}Attribute").FirstOrDefault();
var discriminator = discriminatorAttribute.NamedArguments.SingleOrDefault(kvp => kvp.Key == "Discriminator").Value.Value.ToString();
source.AppendLinesIndented(3, $"if (createObjectEvent.TypeDiscriminator.ToLower() == \"{discriminator.ToLower()}\") return {children[i].Name}.ApplyTypedCreateObjectEvent(createObjectEvent);");
}
source.AppendLinesIndented(3, "throw new Exception($\"Cannot Create a record from a CreateObjectEvent containing a TypeDiscriminator of '{createObjectEvent.TypeDiscriminator}'\");");
source.AppendLinesIndented(2, "}");
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Applies a <see cref=\"DeleteObjectEvent\" /> returning a new a record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"deleteObjectEvent\"></param>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"public ViewModelBase ApplyDeleteObjectEvent(DeleteObjectEvent deleteObjectEvent) => this with {{ EventId = deleteObjectEvent.Id, Deleted = true }};");
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Applies a <see cref=\"UndeleteObjectEvent\" /> returning a new a record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"undeleteObjectEvent\"></param>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"public ViewModelBase ApplyUndeleteObjectEvent(UndeleteObjectEvent undeleteObjectEvent) => this with {{ EventId = undeleteObjectEvent.Id, Deleted = false }};");
}
// Build GetNotifier(), GetCreateObjectEvent(), and ApplyTypedCreateObjectEvent(CreateObjectEvent) only if the record is not abstract
if (!recordSymbol.IsAbstract)
{
// Build GetNotifier
{
source.AppendLinesIndented(2, $"");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Returns a <see cref=\"{GetNotifierClassName(recordSymbol.Name)}\"/> intialized with the same parameters held in this <see cref=\"{recordSymbol.Name}\"/>.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"public {GetNotifierClassName(recordSymbol.Name)} GetNotifier()");
source.AppendLinesIndented(2, "{");
source.AppendLinesIndented(3, $"return new {GetNotifierClassName(recordSymbol.Name)}(this);");
source.AppendLinesIndented(2, "}");
source.AppendLinesIndented(2, "");
}
// Build GetCreateObjectEvent()
{
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Returns a <see cref=\"CreateObjectEvent\"/> populated with the details in this record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"public CreateObjectEvent GetCreateObjectEvent()");
source.AppendLinesIndented(2, "{");
source.AppendLinesIndented(3, "return new()");
source.AppendLinesIndented(3, "{");
source.AppendLinesIndented(4, "Id = $\"{ViewModelEvent.NewId()}\",");
source.AppendLinesIndented(4, "UserId = $\"\",");
source.AppendLinesIndented(4, "IPAddress = $\"\",");
source.AppendLinesIndented(4, "Timestamp = DateTime.Now,");
source.AppendLinesIndented(4, $"TypeDiscriminator = \"{discriminatorString}\",");
source.AppendLinesIndented(4, "ObjectId = $\"{Id}\",");
source.AppendLinesIndented(4, "Properties = GetPropertyValuePairs().ToArray()");
source.AppendLinesIndented(3, "};");
source.AppendLinesIndented(2, "}");
}
// Build ApplyTypedCreateObjectEvent(CreateObjectEvent)
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Returns a <see cref=\"CreateObjectEvent\"/> populated with the details in this record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"internal static {recordSymbol.Name} ApplyTypedCreateObjectEvent(CreateObjectEvent createObjectEvent) => UpdateFromCreateObjectEvent(new(), createObjectEvent.Properties.ToList(), true).record;");
}
}
// Build ApplyTypedCreateObjectEvent(CreateObjectEvent, <current record>)
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"/// <summary>");
source.AppendLinesIndented(2, $"/// Returns a <see cref=\"CreateObjectEvent\"/> populated with the details in this record.");
source.AppendLinesIndented(2, $"/// </summary>");
source.AppendLinesIndented(2, $"/// <returns></returns>");
source.AppendLinesIndented(2, $"internal static ({recordSymbol.Name} record, List<CreateObjectEvent.PropertyValuePair> properties) UpdateFromCreateObjectEvent({recordSymbol.Name} record, List<CreateObjectEvent.PropertyValuePair> properties, bool isTargetRecord)");
source.AppendLinesIndented(2, "{");
if (isDerived)
{
source.AppendLinesIndented(3, $"var tuple = {recordSymbol.BaseType.Name}.UpdateFromCreateObjectEvent(record, properties, false);");
source.AppendLinesIndented(3, $"record = tuple.record as {recordSymbol.Name};");
source.AppendLinesIndented(3, $"properties = tuple.properties;");
source.AppendLinesIndented(3, "");
}
source.AppendLinesIndented(3, "foreach (var property in properties.ToList())");
source.AppendLinesIndented(3, "{");
var elseText = "";
foreach (var propertySymbol in propertySymbols.Select(p => p.symbol))
{
source.AppendLinesIndented(4, $"{elseText}if (property.PropertyName.ToLower() == \"{propertySymbol.Name.ToLower()}\")");
source.AppendLinesIndented(4, "{");
source.AppendLinesIndented(5, $"record = record with {{ {propertySymbol.Name} = {GetPropertyUpdateSetter(propertySymbol, "property.Value")} }};");
source.AppendLinesIndented(5, "properties.Remove(property);");
source.AppendLinesIndented(4, "}");
elseText = "else ";
}
source.AppendLinesIndented(4, $"else if (isTargetRecord) ");
source.AppendLinesIndented(4, "{");
source.AppendLinesIndented(5, $"throw new Exception($\"Cannot Create a '{recordSymbol.Name}' with a CreateObjectEvent containing a PropertyName of '{{property.PropertyName}}'\");");
source.AppendLinesIndented(4, "}"); source.AppendLinesIndented(3, "}");
source.AppendLinesIndented(3, "");
source.AppendLinesIndented(3, "return (record, properties);");
source.AppendLinesIndented(2, "}");
}
source.AppendLinesIndented(1, "}");
}
// Adds the companion class
void ProcessCompanionClass()
{
source.AppendLinesIndented(1, $"/// <inheritdoc cref=\"{recordSymbol.Name}\"/>");
source.AppendLinesIndented(1, $"/// <remarks>Companion edittable view model class to <see cref=\"{recordSymbol.Name}\"/>.</remarks>");
source.AppendLinesIndented(1, $"public {(recordSymbol.IsAbstract ? "abstract " : "")}class {GetNotifierClassName(recordSymbol.Name)}{(isDerived ? " : " + GetNotifierClassName(recordSymbol.BaseType.Name) : "")}");
source.AppendLinesIndented(1, "{");
// Add the UpdatedEventHander delegate only if this is not a derived record (indicating that it's the base record)
if (!isDerived)
{
source.AppendLinesIndented(2, "/// <summary>");
source.AppendLinesIndented(2, "/// Represents method that will handle the <see cref=\"PropertyUpdated\"/> event raised by the view model in response to a property being updated.");
source.AppendLinesIndented(2, "/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"sender\"></param>");
source.AppendLinesIndented(2, "/// <param name=\"e\"></param>");
source.AppendLinesIndented(2, "public delegate void UpdatedPropertyEventHandler(object sender, ViewModelEvent e);");
}
if (!recordSymbol.IsAbstract)
{
source.AppendLinesIndented(2, "/// <summary>");
source.AppendLinesIndented(2, "/// Occurs when a property is updated.");
source.AppendLinesIndented(2, "/// </summary>");
source.AppendLinesIndented(2, "/// <param name=\"sender\"></param>");
source.AppendLinesIndented(2, "/// <param name=\"e\"></param>");
source.AppendLinesIndented(2, "public event UpdatedPropertyEventHandler PropertyUpdated;");
}
// Add properties, including a copy of the originator record only if this is a non-abstract class
{
if (!isDerived)
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, "/// <summary>");
source.AppendLinesIndented(2, $"/// The backing <see cref=\"{recordSymbol.Name}\"/> from which this object was created.");
source.AppendLinesIndented(2, "/// </summary>");
source.AppendLinesIndented(2, $"public readonly ViewModelBase OriginatorRecord;");
}
// Create companion properties for each of the base record's fields
foreach (var propertySymbol in propertySymbols)
{
ProcessCompanionClassProperty(recordSymbol.Name, propertySymbol.syntax, propertySymbol.symbol);
}
}
// Build the constructor which calls the base constructor if this is a derived record
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, $"public {GetNotifierClassName(recordSymbol.Name)}({recordSymbol.Name} record){(isDerived ? " : base(record)" : "")}");
source.AppendLinesIndented(2, "{");
if (!isDerived)
{
source.AppendLinesIndented(3, $"OriginatorRecord = record;");
}
foreach (var propertySymbol in propertySymbols.Select(p => p.symbol))
{
source.AppendLinesIndented(3, $"{propertySymbol.Name} = record.{propertySymbol.Name};");
}
source.AppendLinesIndented(2, "}");
}
// Build GetRecord()
if (!recordSymbol.IsAbstract)
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, "/// <summary>");
source.AppendLinesIndented(2, $"/// Builds a <see cref=\"{recordSymbol.Name}\"/> copying the values from this class.");
source.AppendLinesIndented(2, "/// </summary>");
source.AppendLinesIndented(2, "/// <returns></returns>");
source.AppendLinesIndented(2, $"public {recordSymbol.Name} GetRecord() => GetRecord(new {recordSymbol.Name}());");
}
// Build GetTypedRecord<T>()
{
source.AppendLinesIndented(2, "");
source.AppendLinesIndented(2, "/// <summary>");
source.AppendLinesIndented(2, $"/// Builds a record of type T copying the values from this class.");
source.AppendLinesIndented(2, "/// </summary>");
source.AppendLinesIndented(2, "/// <returns></returns>");
source.AppendLinesIndented(2, $"private protected {recordSymbol.Name} GetRecord({recordSymbol.Name} record)");//{(isDerived ? "override" : "virtual")}
source.AppendLinesIndented(2, "{");
if (isDerived)
{
source.AppendLinesIndented(3, $"return (base.GetRecord(record) as {recordSymbol.Name}) with");
}
else
{
source.AppendLinesIndented(3, $"return (record as {recordSymbol.Name}) with");
}
source.AppendLinesIndented(3, "{");
foreach (var propertySymbol in propertySymbols.Select(p => p.symbol))
{
source.AppendLinesIndented(4, $"{propertySymbol.Name} = this.{propertySymbol.Name},");
}
source.AppendLinesIndented(3, "};");
source.AppendLinesIndented(2, "}");
}
return;
// Adds a property to the companion class
void ProcessCompanionClassProperty(string recordName, PropertyDeclarationSyntax propertyDeclarationSyntax, IPropertySymbol propertySymbol)
{
// get the name and type of the field
ITypeSymbol fieldType = propertySymbol.Type;
var fieldName = "_" + propertySymbol.Name.Substring(0, 1).ToLower() + propertySymbol.Name.Substring(1);
// get the ViewModel attribute from the field, and any associated data
AttributeData attributeData = propertySymbol.GetAttributes().Single(ad => ad.AttributeClass.Equals(attributeSymbol, SymbolEqualityComparer.Default));
TypedConstant readOnlyOpt = attributeData.NamedArguments.SingleOrDefault(kvp => kvp.Key == "ReadOnly").Value;
source.AppendLinesIndented(2, "");
if (readOnlyOpt.IsNull || !Convert.ToBoolean(readOnlyOpt.Value))
{
source.AppendLinesIndented(2, $"private {fieldType} {fieldName};");
source.AppendLinesIndented(2, $"/// <inheritdoc cref=\"{recordName}.{propertySymbol.Name}\" />");
foreach (var attribute in propertyDeclarationSyntax.AttributeLists.ToList().Where(attr => attr.ToString().Substring(1, ViewModelAttributeName.Length) != ViewModelAttributeName))
{
source.AppendLinesIndented(2, attribute.ToString());
}
source.AppendLinesIndented(2, $"public {fieldType} {propertySymbol.Name}");
source.AppendLinesIndented(2, "{");
source.AppendLinesIndented(3, $"get => {fieldName};");
source.AppendLinesIndented(3, "set");
source.AppendLinesIndented(3, "{");
source.AppendLinesIndented(4, $"if ({fieldName} != value)");
source.AppendLinesIndented(4, "{");
source.AppendLinesIndented(5, $"var updatePropertyEvent = OriginatorRecord.BuildUpdatePropertyEvent(\"{propertySymbol.Name}\", {fieldName}, value);");
source.AppendLinesIndented(5, $"{fieldName} = value;");
source.AppendLinesIndented(5, $"PropertyUpdated?.Invoke(this, updatePropertyEvent);");
source.AppendLinesIndented(4, "}");
source.AppendLinesIndented(3, "}");
source.AppendLinesIndented(2, "}");
}
else
{
source.AppendLinesIndented(2, $"/// <inheritdoc cref=\"{recordName}.{propertySymbol.Name}\" />");
source.AppendLinesIndented(2, $"public readonly {fieldType} {propertySymbol.Name};");
}
}
}
}