public static KeyExpression ConvertToKeyExpression(ResourceInstanceKey key, Workspace workspace)
{
ResourceContainer container = workspace.ServiceContainer.ResourceContainers[key.ResourceSetName];
if (container == null)
{
return(null);
}
ResourceType type = container.ResourceTypes.FirstOrDefault(rt => rt.Name == key.ResourceTypeName);
if (type == null)
{
return(null);
}
return(key.CreateKeyExpression(container, type));
}
internal static ResourceInstanceKey CreateUniqueKey(ResourceContainer container, ResourceType resType, KeyExpressions relatedForeignKeys, KeyExpressions existingKeys)
{
KeyExpressions possibleRelatedForeignKeys = new KeyExpressions();
Workspace workspace = container.Workspace;
int keysGenerated = 0;
bool keyTrying = true;
ResourceInstanceKey resourceInstanceKey = null;
do
{
possibleRelatedForeignKeys = new KeyExpressions();
resourceInstanceKey = TryCreateUniqueResourceInstanceKey(container, resType, possibleRelatedForeignKeys);
KeyExpression keyExpression = resourceInstanceKey.CreateKeyExpression(container, resType);
// need to make sure its not a duplicate
//
if (existingKeys == null)
{
KeyedResourceInstance o = workspace.GetSingleResourceByKey(keyExpression);
if (o == null)
{
keyTrying = false;
}
}
else
{
keyTrying = existingKeys.Contains(keyExpression);
}
keysGenerated++;
if (keysGenerated > 25)
{
throw new Microsoft.Test.ModuleCore.TestFailedException("Unable to create a unique key");
}
}while (keyTrying);
relatedForeignKeys.Add(possibleRelatedForeignKeys);
return(resourceInstanceKey);
}
internal KeyedResourceInstance CreateRandomResource(ResourceContainer container, KeyExpressions existingKeys, bool populateNavProps)
{
KeyExpressions relatedForeignKeys = new KeyExpressions();
ResourceInstanceKey key = ResourceInstanceUtil.CreateUniqueKey(container, this, relatedForeignKeys, existingKeys);
List <ResourceInstanceProperty> properties = new List <ResourceInstanceProperty>();
// populate the non-key, non-navigation properties
//
foreach (ResourceProperty p in this.Properties.OfType <ResourceProperty>().Where(rp => rp.IsNavigation == false && rp.PrimaryKey == null))
{
if (p.Facets.IsIdentity)
{
continue;
}
ResourceInstanceProperty property = p.CreateRandomResourceInstanceProperty();
properties.Add(property);
}
if (populateNavProps)
{
// populate the navigation properties, but don't go by key, as some foreign keys MAY NOT HAVE ASSOCIATED NAVIGATION PROPERTIES
//
foreach (ResourceProperty p in this.Properties.OfType <ResourceProperty>().Where(rp => rp.IsNavigation))
{
// find a key for this navigation property
KeyExpression navPropKey = null;
foreach (KeyExpression keyExp in relatedForeignKeys)
{
//if (p.Type.Equals(keyExp.ResourceType)
// || p.Type is ResourceType && (p.Type as ResourceType).BaseTypes.Contains(keyExp.ResourceType))
if (p.OtherAssociationEnd.ResourceType.Equals(keyExp.ResourceType))
{
navPropKey = keyExp;
break;
}
}
ResourceContainer associatedContainer = container.FindDefaultRelatedContainer(p);
if (navPropKey == null)
{
if (p.OtherAssociationEnd.ResourceType.Key.Properties.OfType <ResourceProperty>()
.Where(rp => rp.ForeignKeys.Any())
.Any(rp => rp.ForeignKeys.First().PrimaryKey.Properties.OfType <ResourceProperty>().First().ResourceType.Equals(this)))
{
// this association has a fk back to the current type, so it cannot be based on any existing entity
AstoriaTestLog.WriteLineIgnore("Skipping nav prop '{0}.{1}' due to foreign key constraint on entity being created", this.Name, p.Name);
continue;
}
else
{
navPropKey = associatedContainer.Workspace.GetRandomExistingKey(associatedContainer, p.OtherAssociationEnd.ResourceType);
}
}
if (navPropKey != null)
{
if (p.OtherAssociationEnd.Multiplicity == Multiplicity.Many)
{
properties.Add(ResourceInstanceUtil.CreateCollectionInstanceProperty(new KeyExpressions(navPropKey), navPropKey.ResourceContainer, p));
}
else
{
properties.Add(ResourceInstanceUtil.CreateRefInstanceProperty(navPropKey, navPropKey.ResourceContainer, p));
}
}
}
}
return(ResourceInstanceUtil.CreateKeyedResourceInstance(key.CreateKeyExpression(container, this), container, properties.ToArray()));
}
