public override PropertyValue GetValue(IEntity entity, IProperty property)
{
var referenceProperty = property.As <ReferenceProperty>();
var instanceName = entity.GetInstanceName();
var environment = entity.GetEnvironment();
var identifier = ContextInstanceManager.TryGet(instanceName);
if (identifier == null || CheckWithoutLoading(identifier))
{
return(PropertyValue.Empty);
}
var contextProvider = identifier.Provider.GetService <IContextProvider>();
using var scope = identifier.ServiceProvider.TryCreateScope();
using var service = contextProvider.CreateContextService(new ContextServiceContext(scope?.ServiceProvider ?? identifier.ServiceProvider, identifier));
service.InitializeEnvironment(environment).InitializeInstanceName(instanceName);
var repProvider = service.CreateRepositoryProvider(referenceProperty.RelationalType);
var expression = BuidRelationExpression(entity, referenceProperty);
if (expression != null)
{
var value = Execute(repProvider.Queryable, expression);
return(value == null ? PropertyValue.Empty : PropertyValue.NewValue(value));
}
return(PropertyValue.Empty);
}
public override PropertyValue GetValue(IEntity entity, IProperty property)
{
var entityProperty = property.As <EntityProperty>();
var instanceName = entity.GetInstanceName();
var environment = entity.GetEnvironment();
var initContext = ContextInstanceManager.Get(instanceName);
if (initContext == null)
{
return(PropertyValue.Empty);
}
var provider = initContext.Provider.GetService <IContextProvider>();
using (var service = provider.CreateContextService(initContext))
{
service.InitializeEnvironment(environment).InitializeInstanceName(instanceName);
var repProvider = provider.CreateRepositoryProvider(entityProperty.RelationalType, service);
var expression = BuidRelationExpression(entity, entityProperty);
if (expression != null)
{
var value = Execute(repProvider.Queryable, expression);
//设置实体所属的实体Owner
value.As <IEntityRelation>(e => e.Owner = new EntityOwner(entity, property));
return(value == null ? PropertyValue.Empty : PropertyValue.NewValue(value));
}
return(PropertyValue.Empty);
}
}
public void MultipleTypes()
{
HttpContext.Current = CreateHttpContext();
ContextInstanceManager.Set("some string");
ContextInstanceManager.Set(123);
Assert.Equal("some string", ContextInstanceManager.Get <string>());
Assert.Equal(123, ContextInstanceManager.Get <int>());
}
public void SingleType()
{
HttpContext.Current = CreateHttpContext();
Assert.Null(ContextInstanceManager.Get <IManagedTracer>());
ContextInstanceManager.Set <IManagedTracer>(NullManagedTracer.Instance);
Assert.Equal(NullManagedTracer.Instance, ContextInstanceManager.Get <IManagedTracer>());
ContextInstanceManager.Set <IManagedTracer>(null);
Assert.Null(ContextInstanceManager.Get <IManagedTracer>());
}
public void SingleType()
{
HttpContext.Current = CreateHttpContext();
Assert.Null(ContextInstanceManager.Get <string>());
ContextInstanceManager.Set("123");
Assert.Equal("123", ContextInstanceManager.Get <string>());
ContextInstanceManager.Set <string>(null);
Assert.Null(ContextInstanceManager.Get <string>());
}
public override PropertyValue GetValue(IEntity entity, IProperty property)
{
var entityProperty = property.As <EntitySetProperty>();
var instanceName = entity.GetInstanceName();
var environment = entity.GetEnvironment();
var identifier = ContextInstanceManager.TryGet(instanceName);
if (identifier == null || CheckWithoutLoading(identifier))
{
return(PropertyValue.Empty);
}
var contextProvider = identifier.Provider.GetService <IContextProvider>();
using var scope = identifier.ServiceProvider.TryCreateScope();
using var service = contextProvider.CreateContextService(new ContextServiceContext(scope?.ServiceProvider ?? identifier.ServiceProvider, identifier));
service.InitializeEnvironment(environment).InitializeInstanceName(instanceName);
var repProvider = service.CreateRepositoryProvider(entityProperty.RelationalType);
var expression = BuidRelationExpression(entity, entityProperty);
object result = null;
if (expression != null)
{
result = Execute(repProvider.Queryable, expression);
var querySetType = typeof(EntitySet <>).MakeGenericType(entityProperty.RelationalType);
var list = querySetType.New(new[] { result });
//设置实体集所属的实体Owner
list.As <IEntityRelation>(e => e.Owner = new EntityOwner(entity, property));
return(PropertyValue.NewValue(list));
}
return(PropertyValue.Empty);
}
