public void ExtendModelAsync_UpdatesModel_IfHasOnModelCreatingMethod(Type type)
{
// Arrange
var domain = Activator.CreateInstance(type);
var extender = new ConventionalModelExtender(type);
var domainConfig = new DomainConfiguration();
domainConfig.EnsureCommitted();
var domainContext = new DomainContext(domainConfig);
domainContext.SetProperty(type.AssemblyQualifiedName, domain);
var model = GetModel();
var context = new ModelContext(domainContext) { Model = model };
// Act
extender.ExtendModelAsync(context, new CancellationToken());
// Assert
Assert.Same(model, context.Model);
var operations = model.SchemaElements.OfType<IEdmOperation>();
Assert.Single(operations);
var operation = operations.Single();
Assert.True(operation.IsBound);
Assert.True(operation.IsFunction());
Assert.Equal("MostExpensive", operation.Name);
Assert.Equal("ns", operation.Namespace);
}
/// <inheritdoc/>
public override void Initialize(
DomainContext context,
Type type,
object instance)
{
Ensure.NotNull(context);
Ensure.NotNull(type);
context.SetProperty(type.AssemblyQualifiedName, instance);
}
/// <summary>
/// Initializes a new instance of the <see cref="EntityCollectionResult" /> class.
/// </summary>
/// <param name="query">The query that returns a collection of entities.</param>
/// <param name="edmType">The EDM type reference of the entities.</param>
/// <param name="context">The context where the action is executed.</param>
public EntityCollectionResult(IQueryable query, IEdmTypeReference edmType, DomainContext context)
: base(edmType)
{
Ensure.NotNull(query, "query");
Ensure.NotNull(context, "context");
this.Query = query;
this.Context = context;
}
/// <summary>
/// Initializes a new instance of the <see cref="EntityResult" /> class.
/// </summary>
/// <param name="query">The query that returns an entity.</param>
/// <param name="edmType">The EDM type reference of the entity.</param>
/// <param name="context">The context where the action is executed.</param>
public EntityResult(IQueryable query, IEdmTypeReference edmType, DomainContext context)
: base(edmType)
{
Ensure.NotNull(query, "query");
Ensure.NotNull(context, "context");
this.Context = context;
this.Result = query.SingleOrDefault();
}
/// <summary>
/// Asynchronously queries for data using a domain context.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="request">
/// A query request.
/// </param>
/// <param name="cancellationToken">
/// An optional cancellation token.
/// </param>
/// <returns>
/// A task that represents the asynchronous
/// operation whose result is a query result.
/// </returns>
public static async Task <QueryResult> QueryAsync(
DomainContext context,
QueryRequest request,
CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.NotNull(context, "context");
Ensure.NotNull(request, "request");
var queryContext = new QueryContext(context, request);
var model = await Domain.GetModelAsync(context) as DomainModel;
queryContext.Model = new DomainModel(queryContext, model.InnerModel);
var handler = queryContext.GetHookPoint <IQueryHandler>();
return(await handler.QueryAsync(queryContext, cancellationToken));
}
/// <summary>
/// Gets a queryable source of data using a domain context.
/// </summary>
/// <typeparam name="TElement">
/// The type of the elements in the queryable source.
/// </typeparam>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="name">
/// The name of an entity set, singleton or composable function import.
/// </param>
/// <param name="arguments">
/// If <paramref name="name"/> is a composable function import,
/// the arguments to be passed to the composable function import.
/// </param>
/// <returns>
/// A queryable source.
/// </returns>
/// <remarks>
/// <para>
/// If the name identifies a singleton or a composable function import
/// whose result is a singleton, the resulting queryable source will
/// be configured such that it represents exactly zero or one result.
/// </para>
/// <para>
/// Note that the resulting queryable source cannot be synchronously
/// enumerated, as the domain engine only operates asynchronously.
/// </para>
/// </remarks>
public static IQueryable <TElement> Source <TElement>(
DomainContext context,
string name,
params object[] arguments)
{
Ensure.NotNull(context, "context");
Ensure.NotNull(name, "name");
var elementType = Domain.EnsureElementType(context, null, name);
if (typeof(TElement) != elementType)
{
// TODO GitHubIssue#24 : error message
throw new ArgumentException();
}
return(Domain.SourceCore <TElement>(null, name, arguments));
}
/// <summary>
/// Applies initialization routines from any domain participant
/// attributes specified on a domain type to a domain context.
/// </summary>
/// <param name="type">
/// A domain type.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
/// <param name="context">
/// A domain context.
/// </param>
public static void ApplyInitialization(
Type type, object instance, DomainContext context)
{
Ensure.NotNull(type, "type");
Ensure.NotNull(context, "context");
if (type.BaseType != null)
{
DomainParticipantAttribute.ApplyInitialization(
type.BaseType, instance, context);
}
var attributes = type.GetCustomAttributes(
typeof(DomainParticipantAttribute), false);
foreach (DomainParticipantAttribute attribute in attributes)
{
attribute.Initialize(context, type, instance);
}
}
/// <summary>
/// Applies initialization routines from any domain participant
/// attributes specified on a domain type to a domain context.
/// </summary>
/// <param name="type">
/// A domain type.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
/// <param name="context">
/// A domain context.
/// </param>
public static void ApplyInitialization(
Type type, object instance, DomainContext context)
{
Ensure.NotNull(type, "type");
Ensure.NotNull(context, "context");
if (type.BaseType != null)
{
DomainParticipantAttribute.ApplyInitialization(
type.BaseType, instance, context);
}
var attributes = type.GetCustomAttributes(
typeof(DomainParticipantAttribute), false);
foreach (DomainParticipantAttribute attribute in attributes)
{
attribute.Initialize(context, type, instance);
}
}
/// <summary>
/// Applies disposal routines from any domain participant
/// attributes specified on a domain type to a domain context.
/// </summary>
/// <param name="type">
/// A domain type.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
/// <param name="context">
/// A domain context.
/// </param>
public static void ApplyDisposal(
Type type, object instance, DomainContext context)
{
Ensure.NotNull(type, "type");
Ensure.NotNull(context, "context");
var attributes = type.GetCustomAttributes(
typeof(DomainParticipantAttribute), false);
foreach (DomainParticipantAttribute attribute in attributes.Reverse())
{
attribute.Dispose(context, type, instance);
}
if (type.BaseType != null)
{
DomainParticipantAttribute.ApplyDisposal(
type.BaseType, instance, context);
}
}
/// <summary>
/// Tries to get the relevant type of an entity
/// set, singleton, or composable function import.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="name">
/// The name of an entity set, singleton or composable function import.
/// </param>
/// <param name="relevantType">
/// When this method returns, provides the
/// relevant type of the queryable source.
/// </param>
/// <returns>
/// <c>true</c> if the relevant type was
/// provided; otherwise, <c>false</c>.
/// </returns>
public bool TryGetRelevantType(
DomainContext context,
string name,
out Type relevantType)
{
// TODO GitHubIssue#39 : support something beyond entity sets
relevantType = null;
var property = this.dbContextType.GetProperty(name);
if (property != null)
{
var type = property.PropertyType;
if (type.IsGenericType &&
type.GetGenericTypeDefinition() == typeof(DbSet<>))
{
relevantType = type.GetGenericArguments()[0];
}
}
return relevantType != null;
}
public void ExtendModelAsync_DoesntUpdatesModel_IfWithoutOnModelCreatingMethod()
{
// Arrange
var domain = new AnyDomain();
var type = domain.GetType();
var extender = new ConventionalModelExtender(type);
var domainConfig = new DomainConfiguration();
domainConfig.EnsureCommitted();
var domainContext = new DomainContext(domainConfig);
domainContext.SetProperty(type.AssemblyQualifiedName, domain);
var model = GetModel();
var context = new ModelContext(domainContext) { Model = model };
// Act
extender.ExtendModelAsync(context, new CancellationToken());
// Assert
Assert.Same(model, context.Model);
Assert.Empty(model.SchemaElements.OfType<IEdmOperation>());
}
/// <summary>
/// Tries to get the relevant type of an entity
/// set, singleton, or composable function import.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="name">
/// The name of an entity set, singleton or composable function import.
/// </param>
/// <param name="relevantType">
/// When this method returns, provides the
/// relevant type of the queryable source.
/// </param>
/// <returns>
/// <c>true</c> if the relevant type was
/// provided; otherwise, <c>false</c>.
/// </returns>
public virtual bool TryGetRelevantType(
DomainContext context,
string name,
out Type relevantType)
{
// TODO GitHubIssue#39 : support something beyond entity sets
relevantType = null;
var property = this.dbContextType.GetProperty(name);
if (property != null)
{
var type = property.PropertyType;
var genericType = type.FindGenericType(typeof (IDbSet<>));
if (genericType != null)
{
relevantType = genericType.GetGenericArguments()[0];
}
}
return relevantType != null;
}
/// <summary>
/// Asynchronously gets a domain model using a domain context.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="cancellationToken">
/// An optional cancellation token.
/// </param>
/// <returns>
/// A task that represents the asynchronous
/// operation whose result is the domain model.
/// </returns>
public static async Task <IEdmModel> GetModelAsync(
DomainContext context,
CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.NotNull(context, "context");
var configuration = context.Configuration;
var model = configuration.Model;
if (model == null)
{
var modelContext = new ModelContext(context);
var handler = modelContext.GetHookPoint <IModelHandler>();
var result = await handler.GetModelAsync(
modelContext, cancellationToken);
configuration.Model = new DomainModel(configuration, result);
model = configuration.Model;
}
return(model);
}
/// <summary>
/// Applies disposal routines from any domain participant
/// attributes specified on a domain type to a domain context.
/// </summary>
/// <param name="type">
/// A domain type.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
/// <param name="context">
/// A domain context.
/// </param>
public static void ApplyDisposal(
Type type, object instance, DomainContext context)
{
Ensure.NotNull(type, "type");
Ensure.NotNull(context, "context");
var attributes = type.GetCustomAttributes(
typeof(DomainParticipantAttribute), false);
foreach (DomainParticipantAttribute attribute in attributes.Reverse())
{
attribute.Dispose(context, type, instance);
}
if (type.BaseType != null)
{
DomainParticipantAttribute.ApplyDisposal(
type.BaseType, instance, context);
}
}
void IExpandableDomain.Initialize(
DomainConfiguration derivedConfiguration)
{
if (this.IsDisposed)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
if (this.domainContext != null)
{
throw new InvalidOperationException();
}
Ensure.NotNull(derivedConfiguration, "derivedConfiguration");
var baseConfiguration = this.DomainConfiguration;
var candidate = derivedConfiguration;
while (candidate != baseConfiguration)
{
if (candidate.BaseConfiguration == null)
{
// TODO GitHubIssue#24 : error message
throw new ArgumentException();
}
candidate = candidate.BaseConfiguration;
}
this.domainConfiguration = derivedConfiguration;
this.domainContext = this.CreateDomainContext(derivedConfiguration);
DomainParticipantAttribute.ApplyInitialization(
this.GetType(), this, this.domainContext);
}
/// <summary>
/// Disposes a domain context.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="type">
/// The domain type on which this attribute was placed.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
public virtual void Dispose(
DomainContext context,
Type type,
object instance)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="InvocationContext" /> class.
/// </summary>
/// <param name="domainContext">
/// A domain context.
/// </param>
public InvocationContext(DomainContext domainContext)
{
Ensure.NotNull(domainContext, "domainContext");
this.DomainContext = domainContext;
}
/// <summary>
/// Initializes a domain context.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="type">
/// The domain type on which this attribute was placed.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
public virtual void Initialize(
DomainContext context,
Type type,
object instance)
{
}
/// <summary>
/// Tries to get the relevant type of a composable function.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="namespaceName">
/// The name of a namespace containing a composable function.
/// </param>
/// <param name="name">
/// The name of composable function.
/// </param>
/// <param name="relevantType">
/// When this method returns, provides the
/// relevant type of the composable function.
/// </param>
/// <returns>
/// <c>true</c> if the relevant type was
/// provided; otherwise, <c>false</c>.
/// </returns>
public bool TryGetRelevantType(
DomainContext context,
string namespaceName,
string name,
out Type relevantType)
{
// TODO GitHubIssue#39 : support composable function imports
relevantType = null;
return false;
}
/// <inheritdoc/>
public bool TryGetRelevantType(
DomainContext context,
string namespaceName,
string name,
out Type relevantType)
{
relevantType = null;
return false;
}
/// <inheritdoc/>
public bool TryGetRelevantType(
DomainContext context,
string name,
out Type relevantType)
{
relevantType = null;
var entitySetProperty = this.AddedEntitySets
.SingleOrDefault(p => p.Name == name);
if (entitySetProperty != null)
{
relevantType = entitySetProperty
.PropertyType.GetGenericArguments()[0];
}
return relevantType != null;
}
/// <summary>
/// Disposes a domain context.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="type">
/// The domain type on which this attribute was placed.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
public virtual void Dispose(
DomainContext context,
Type type,
object instance)
{
}
/// <summary>
/// Releases the unmanaged resources that are used by the
/// object and, optionally, releases the managed resources.
/// </summary>
/// <param name="disposing">
/// <c>true</c> to release both managed and unmanaged resources;
/// <c>false</c> to release only unmanaged resources.
/// </param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
this.domainContext = null;
this.IsDisposed = true;
}
}
/// <summary>
/// Initializes a domain context.
/// </summary>
/// <param name="context">
/// A domain context.
/// </param>
/// <param name="type">
/// The domain type on which this attribute was placed.
/// </param>
/// <param name="instance">
/// A domain instance, if applicable.
/// </param>
public virtual void Initialize(
DomainContext context,
Type type,
object instance)
{
}