public void Test_IsStored_Reference_NotStored()
{
using (LogGroup logGroup = LogGroup.Start("Testing the IsStored function on a reference object", NLog.LogLevel.Debug))
{
TestArticle article = new TestArticle();
article.ID = Guid.NewGuid();
article.Title = "Test Article";
TestCategory category = new TestCategory();
category.ID = Guid.NewGuid();
category.Name = "Test Category";
article.Categories = new TestCategory[] { category };
//DataAccess.Data.Saver.Save(article);
//DataAccess.Data.Saver.Save(category);
EntityReferenceCollection collection = DataAccess.Data.Referencer.GetActiveReferences(article);
//.Data.GetReferences(article.GetType(), article.ID, "Categories", category.GetType(), false);
Assert.IsNotNull(collection, "Reference collection is null.");
if (collection != null)
{
Assert.AreEqual(1, collection.Count, "Incorrect number of references found.");
}
foreach (EntityReference reference in collection)
{
bool match = DataAccess.Data.IsStored(reference);
Assert.AreEqual(false, match, "Reference matched when it shouldn't have.");
}
}
}
/// <summary>
/// Creates a filter for the active data source based on the specified type.
/// </summary>
public override IDataFilter CreateFilter(Type filterType)
{
using (LogGroup logGroup = LogGroup.Start("Creating filter", NLog.LogLevel.Debug))
{
LogWriter.Debug("Type: " + filterType.ToString());
if (filterType.Equals(typeof(PropertyFilter)))
{
LogWriter.Debug("Filter type supported.");
return(new Db4oPropertyFilter());
}
else if (filterType.Equals(typeof(ReferenceFilter)))
{
LogWriter.Debug("Filter type supported.");
return(new Db4oReferenceFilter());
}
else
{
LogWriter.Debug("Creation failed. " + filterType.ToString() + " isn't a supported filter.");
throw new NotSupportedException(filterType.ToString() + " isn't yet supported.");
}
}
}
/// <summary>
/// Creates a new instance of the specified type of entity.
/// </summary>
/// <param name="shortTypeName">The short name of the type of entity to create an instance of.</param>
public override IEntity Create()
{
// TODO: Check if needed. Should be unnecessary
ISubEntity entity = null;
using (LogGroup logGroup = LogGroup.Start("Creating a new entity of type '" + TypeName + "'.", NLog.LogLevel.Debug))
{
if (!EntityState.IsType(TypeName))
{
throw new InvalidOperationException("The TypeName property needs to be set to the type of an entity. Invalid type: " + TypeName);
}
Type type = EntityState.GetType(TypeName);
LogWriter.Debug("Authorisation required: " + RequireAuthorisation.ToString());
if (RequireAuthorisation)
{
AuthoriseCreateStrategy.New(TypeName).EnsureAuthorised(TypeName);
}
entity = (ISubEntity)base.Create();
entity.ID = Guid.NewGuid();
}
return(entity);
}
static public Type GetEntityType(IEntity entity, PropertyInfo property)
{
Type type = null;
using (LogGroup group = LogGroup.Start("Retrieving the type of entity being referenced by the provided property.", LogLevel.Debug))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (property == null)
{
throw new ArgumentNullException("property");
}
LogWriter.Debug("Entity type: " + entity.GetType().ToString());
LogWriter.Debug("Property name: " + property.Name);
LogWriter.Debug("Property type: " + property.PropertyType.Name);
type = EntitiesUtilities.GetReferenceType(entity, property);
}
if (type == null)
{
LogWriter.Debug("return type == null");
}
else
{
LogWriter.Debug("return type == " + type.ToString());
}
return(type);
}
/// <summary>
/// Gets the name of the data store that the provided entity is stored in.
/// </summary>
/// <param name="entity">The entity to get the data store name for.</param>
/// <param name="throwErrorIfNotFound">A flag indicating whether an error should be thrown when no data store attribute is found.</param>
/// <returns>The data store that the provided entity is stored in.</returns>
static public string GetDataStoreName(IEntity entity, bool throwErrorIfNotFound)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
string dataStoreName = String.Empty;
Type type = entity.GetType();
using (LogGroup logGroup = LogGroup.Start("Retrieving data store name for entity of type '" + type.ToString() + "'.", LogLevel.Debug))
{
if (EntitiesUtilities.IsReference(entity))
{
LogWriter.Debug("Provided entity is an EntityReference");
EntityReference reference = (EntityReference)entity;
dataStoreName = GetDataStoreName(new string[] { reference.Type1Name, reference.Type2Name });
}
else
{
LogWriter.Debug("Provided entity is NOT an EntityReference.");
dataStoreName = GetDataStoreName(entity.GetType());
}
LogWriter.Debug("Data store name: " + dataStoreName);
}
return(dataStoreName);
}
/// <summary>
/// Updates the provided entity back to the data store.
/// </summary>
/// <param name="entity"></param>
/// <returns>A bool value indicating the success of the update. If it fails it's due to the entity being invalid.</returns>
public virtual bool ExecuteUpdate(IEntity entity)
{
bool didSucceed = false;
using (LogGroup logGroup = LogGroup.Start("Updating the provided entity.", NLog.LogLevel.Debug))
{
if (EnsureAuthorised())
{
DataSource = entity;
if (entity == null)
{
throw new ArgumentNullException("entity");
}
// Update the entity
if (Updater.Update(entity))
{
Result.Display(DynamicLanguage.GetEntityText(EntityUpdatedLanguageKey, Command.TypeName));
didSucceed = true;
}
else
{
// Add the validation error to the result control
Validation.DisplayError(entity);
didSucceed = false;
}
}
LogWriter.Debug("Did succeed: " + didSucceed.ToString());
}
return(didSucceed);
}
public void Test_IsMatch()
{
using (LogGroup logGroup = LogGroup.Start("Testing the ReferenceFilter.IsMatch function.", NLog.LogLevel.Debug))
{
TestArticle article = new TestArticle();
article.ID = Guid.NewGuid();
TestCategory category = new TestCategory();
category.ID = Guid.NewGuid();
article.Categories = new TestCategory[] { category };
DataAccess.Data.Saver.Save(category);
DataAccess.Data.Saver.Save(article);
ReferenceFilter filter = (ReferenceFilter)DataAccess.Data.CreateFilter(typeof(ReferenceFilter));
filter.Operator = FilterOperator.Equal;
filter.PropertyName = "Categories";
filter.ReferencedEntityID = category.ID;
filter.ReferenceType = typeof(TestCategory);
filter.AddType(typeof(TestArticle));
bool isMatch = filter.IsMatch(article);
Assert.IsTrue(isMatch, "The IsMatch function returned false when it should have been true.");
}
}
/// <summary>
/// Displays an index of entities matching the provided filter values.
/// </summary>
/// <param name="filterValues"></param>
public virtual void Index(Dictionary <string, object> filterValues)
{
using (LogGroup logGroup = LogGroup.Start("Preparing to load an index of enitities for display."))
{
LogWriter.Debug("Type name: " + Command.TypeName);
if (filterValues == null)
{
filterValues = new Dictionary <string, object>();
}
CheckInitialized();
if (filterValues == null)
{
throw new ArgumentNullException("filterValues");
}
if (filterValues.Count == 0)
{
throw new ArgumentNullException("No filter values specified. Use the other overload if not specifying filter values.");
}
IEntity[] entities = null;
entities = PrepareIndex(filterValues);
Index(entities);
}
}
public void Test_IsMatch()
{
using (LogGroup logGroup = LogGroup.Start("Testing the PropertyFilter.IsMatch function.", NLog.LogLevel.Debug))
{
TestArticle article = new TestArticle();
article.ID = Guid.NewGuid();
article.Title = "Test Title 1";
TestArticle article2 = new TestArticle();
article2.ID = Guid.NewGuid();
article2.Title = "Test Title 2";
//DataAccess.Data.Saver.Save(article);
//DataAccess.Data.Saver.Save(article2);
PropertyFilter filter = (PropertyFilter)DataAccess.Data.CreateFilter(typeof(PropertyFilter));
filter.Operator = FilterOperator.Equal;
filter.PropertyName = "Title";
filter.PropertyValue = article.Title;
filter.AddType(typeof(TestArticle));
bool isMatch = filter.IsMatch(article);
Assert.IsTrue(isMatch, "The IsMatch function returned false when it should have been true.");
}
}
/// <summary>
/// Persists the provided references into the data store. Checks each of the provided references and saves those that are missing.
/// </summary>
/// <param name="references">The collection of entity references to persist.</param>
public virtual void PersistReferences(EntityReferenceCollection references)
{
using (LogGroup logGroup = LogGroup.Start("Persisting the provided references.", LogLevel.Debug))
{
if (references != null)
{
LogWriter.Debug("Reference count: " + references.Count.ToString());
// TODO: Check if binding is needed. Shouldn't be because
// existing references are skipped and only new references get saved
//BindReferences(references);
foreach (EntityReference reference in references)
{
// If the reference is new then save it
if (!Provider.IsStored(reference))
{
LogWriter.Debug("Reference is new. Saving.");
Provider.Saver.Save(reference);
}
// Otherwise just leave the existing reference as-is
// Existing references shouldn't need to change
}
}
}
}
/// <summary>
/// Maintains the references of the provided entity by deleting the obsolete references (those in the data store but no longer active on one of the properties)
/// and persisting the new references into the data store.
/// </summary>
/// <param name="entity">The entity to maintain the references for.</param>
public virtual void MaintainReferences(IEntity entity)
{
using (LogGroup logGroup = LogGroup.Start("Maintaining the references for the provided entity.", LogLevel.Debug))
{
EntityReferenceCollection updateList = new EntityReferenceCollection();
EntityReferenceCollection deleteList = new EntityReferenceCollection();
// Get the current/actives references
foreach (EntityReference reference in GetActiveReferences(entity))
{
updateList.Add(reference);
}
// Get the obsolete references
foreach (EntityReference reference in GetObsoleteReferences(entity, updateList.GetEntityIDs(entity.ID)))
{
deleteList.Add(reference);
}
// Delete the obsolete references
LogWriter.Debug("References to delete: " + deleteList.Count);
DeleteObsoleteReferences(deleteList);
// Update/save the current references
LogWriter.Debug("References to update: " + updateList.Count);
PersistReferences(updateList);
Provider.Referencer.SetCountProperties(entity, false);
}
}
public void Test_GetReferences_Basic()
{
using (LogGroup logGroup = LogGroup.Start("Testing the retrieval of references for an entity.", NLog.LogLevel.Debug))
{
TestUser user = new TestUser();
Guid userID = user.ID = Guid.NewGuid();
user.FirstName = "Test";
user.LastName = "User";
TestRole role = new TestRole();
Guid roleID = role.ID = Guid.NewGuid();
role.Name = "Test Role";
user.Roles = Collection <TestRole> .Add(user.Roles, role);
DataAccess.Data.Saver.Save(role);
DataAccess.Data.Saver.Save(user);
EntityReferenceCollection references = DataAccess.Data.Referencer.GetReferences(user.GetType(), user.ID, "Roles", typeof(TestRole), false);
Assert.IsNotNull(references, "The references object returned was null.");
if (references != null)
{
Assert.AreEqual(1, references.Count, "Wrong number of references returned.");
Assert.IsTrue(references[0].Includes(userID, "Roles"), "The user ID wasn't found on the reference.");
Assert.IsTrue(references[0].Includes(roleID, "Users"), "The role ID wasn't found on the reference.");
}
}
}
public void Test_MatchReference_Opposite()
{
using (LogGroup logGroup = LogGroup.Start("Testing the MatchReference function to ensure matches properly.", NLog.LogLevel.Debug))
{
TestArticle article = new TestArticle();
article.ID = Guid.NewGuid();
article.Title = "Test Article";
TestCategory category = new TestCategory();
category.ID = Guid.NewGuid();
category.Name = "Test Category";
article.Categories = new TestCategory[] { category };
DataAccess.Data.Saver.Save(category);
DataAccess.Data.Saver.Save(article);
bool match = DataAccess.Data.Referencer.MatchReference(article.GetType(), article.ID, "Categories", category.GetType(), category.ID, "Articles");
bool match2 = DataAccess.Data.Referencer.MatchReference(category.GetType(), category.ID, "Articles", article.GetType(), article.ID, "Categories");
Assert.IsTrue(match, "Didn't match on standard check.");
Assert.IsTrue(match2, "Didn't match on reverse check.");
DataAccess.Data.Deleter.Delete(article);
DataAccess.Data.Deleter.Delete(category);
}
}
public void Test_GetReference_Async()
{
using (LogGroup logGroup = LogGroup.Start("Testing the GetReference function with an asynchronous reference to ensure it retrieves the correct reference.", NLog.LogLevel.Debug))
{
EntityFive e5 = new EntityFive();
e5.ID = Guid.NewGuid();
e5.Name = "Test Entity 5";
EntitySix e6 = new EntitySix();
e6.ID = Guid.NewGuid();
e6.Name = "Test Entity 6";
e5.ReferencedEntities = new EntitySix[] { e6 };
DataAccess.Data.Saver.Save(e6);
DataAccess.Data.Saver.Save(e5);
EntityReference reference = DataAccess.Data.Referencer.GetReference(e5.GetType(),
e5.ID,
"ReferencedEntities",
e6.GetType(),
e6.ID,
String.Empty,
false);
Assert.IsNotNull(reference, "The return value is null.");
Assert.IsTrue(reference.Includes(e5.ID, "ReferencedEntities"), "The returned reference is invalid. (#1)");
Assert.IsTrue(reference.Includes(e6.ID, ""), "The returned reference is invalid. (#2)");
DataAccess.Data.Deleter.Delete(e5);
DataAccess.Data.Deleter.Delete(e6);
}
}
public override void NavigateAfterUpdate()
{
using (LogGroup logGroup = LogGroup.Start("Navigating after a update operation.", NLog.LogLevel.Debug))
{
if (DataSource == null)
{
throw new InvalidOperationException("The DataSource property isn't set.");
}
ISubEntity entity = (ISubEntity)DataSource;
if (entity.Parent == null)
{
LogWriter.Debug("No parent found. Activating entity.Parent.");
ActivateStrategy.New <ISubEntity>().Activate(entity, entity.ParentPropertyName);
}
if (entity.Parent == null)
{
throw new Exception("No parent assigned to entity.");
}
Navigator.Current.NavigateAfterOperation("View", entity.Parent);
}
}
/// <summary>
/// Executes the schema change command on the provided serialized reference.
/// </summary>
/// <param name="document">The reference serialized to an XML document.</param>
public override void ExecuteOnReference(XmlDocument document)
{
using (LogGroup logGroup = LogGroup.Start("Renaming the type on the provided reference.", LogLevel.Debug))
{
XmlNode type1Node = document.DocumentElement.SelectSingleNode("Type1Name");
XmlNode type2Node = document.DocumentElement.SelectSingleNode("Type2Name");
if (type1Node == null)
{
throw new ArgumentException("The provided document doesn't have a 'Type1Name' node.");
}
if (type2Node == null)
{
throw new ArgumentException("The provided document doesn't have a 'Type2Name' node.");
}
if (type1Node.InnerText == TypeName)
{
LogWriter.Debug("Found matching node '" + type1Node.InnerText + "'...replacing with '" + newTypeName + "'.");
type1Node.InnerText = newTypeName;
}
if (type2Node.InnerText == TypeName)
{
LogWriter.Debug("Found matching node '" + type2Node.InnerText + "'...replacing with '" + newTypeName + "'.");
type2Node.InnerText = newTypeName;
}
}
}
/// <summary>
/// Prepares the edit form with the entity specified by the ID or unique key in the query string.
/// </summary>
/// <returns>The entity specified in the query string.</returns>
public virtual IEntity PrepareEdit()
{
IEntity entity = null;
using (LogGroup logGroup = LogGroup.Start("Preparing to edit an entity.", NLog.LogLevel.Debug))
{
Guid id = GetID();
string uniqueKey = GetUniqueKey();
if (id != Guid.Empty)
{
LogWriter.Debug("ID: " + id.ToString());
entity = PrepareEdit(id);
}
else if (uniqueKey != String.Empty)
{
LogWriter.Debug("Unique key: " + uniqueKey);
entity = PrepareEdit(uniqueKey);
}
else
{
throw new InvalidOperationException("Cannot edit entity. No identifier found.");
}
}
return(entity);
}
public virtual bool ExecuteSave(ISubEntity entity)
{
bool success = false;
using (LogGroup logGroup = LogGroup.Start("Saving the new entity.", NLog.LogLevel.Debug))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (entity.Parent == null)
{
ActivateStrategy.New <ISubEntity>().Activate(entity, entity.ParentPropertyName);
}
if (entity.Parent == null)
{
throw new Exception("No parent found for entity with ID: " + entity.ID.ToString());
}
DataSource = entity;
success = base.ExecuteSave(entity);
}
return(success);
}
/// <summary>
/// Disposes the provided elements.
/// </summary>
public void Dispose(ElementStateCollection elements)
{
using (LogGroup logGroup = LogGroup.Start("Disposing the provided elements.", NLog.LogLevel.Debug))
{
elements.Clear();
}
}
/// <summary>
/// Creates a new sub entity and assigns the parent entity specified in the query strings.
/// </summary>
/// <returns></returns>
public override IEntity Create()
{
IEntity entity = null;
using (LogGroup logGroup = LogGroup.Start("Preparing the form to create a new sub entity.", NLog.LogLevel.Debug))
{
if (EnsureAuthorised())
{
Guid parentID = Guid.Empty;
string parentUniqueKey = String.Empty;
if (QueryStrings.Available)
{
parentID = QueryStrings.GetID("Parent");
parentUniqueKey = QueryStrings.GetUniqueKey("Parent");
}
else
{
throw new InvalidOperationException("Query strings aren't available. Provide parent ID or parent unique key manually.");
}
LogWriter.Debug("Parent ID: " + parentID);
LogWriter.Debug("Parent unique key: " + parentUniqueKey);
entity = Create(parentID, parentUniqueKey);
}
}
return(entity);
}
/// <summary>
/// Checks whether the provided type is a element.
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public bool IsElement(Type type)
{
bool isElement = false;
using (LogGroup logGroup = LogGroup.Start("Checks whether the provided type is a element.", NLog.LogLevel.Debug))
{
LogWriter.Debug("Type: " + type.ToString());
bool matchesInterface = false;
bool isNotInterface = false;
bool isNotAbstract = false;
bool hasAttribute = false;
matchesInterface = (type.GetInterface("IElement") != null);
isNotInterface = !type.IsInterface;
isNotAbstract = !type.IsAbstract;
hasAttribute = type.GetCustomAttributes(typeof(ElementAttribute), true).Length > 0;
LogWriter.Debug("Matches interface: " + matchesInterface);
LogWriter.Debug("Is not element interface: " + isNotInterface);
LogWriter.Debug("Has attribute: " + isNotAbstract);
isElement = matchesInterface &&
isNotInterface &&
isNotAbstract &&
hasAttribute;
LogWriter.Debug("Is element: " + isElement.ToString());
}
return(isElement);
}
/// <summary>
/// Checks whether the current user is authorised to update the provided entity.
/// </summary>
/// <param name="entity">The entity to be updated.</param>
/// <returns>A value indicating whether the current user is authorised to update the provided entity.</returns>
public override bool IsAuthorised(IEntity entity)
{
bool isAuthorised = false;
using (LogGroup logGroup = LogGroup.Start("Checking whether the current user is authorised to update the provided entity.", NLog.LogLevel.Debug))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (!RequireAuthorisation)
{
isAuthorised = true;
}
else
{
isAuthorised = IsAuthorised(entity.ShortTypeName);
AuthoriseReferencesStrategy.New(entity).Authorise(entity);
}
LogWriter.Debug("Is authorised: " + isAuthorised);
}
return(isAuthorised);
}
// TODO: Check if function should be removed
static public void StripReferences(IEntity entity)
{
using (LogGroup logGroup2 = LogGroup.Start("Clearing all the object references so that they don't cascade automatically.", LogLevel.Debug))
{
if (entity is EntityReference)
{
((EntityReference)entity).Deactivate();
}
else
{
// Clear all the references from the entity once they're ready to be saved separately
foreach (PropertyInfo property in entity.GetType().GetProperties())
{
LogWriter.Debug("Property name: " + property.Name);
LogWriter.Debug("Property type: " + property.PropertyType.ToString());
// If the property is a reference
// OR the actual provided entity is a reference AND the property holds an IEntity instance
if (EntitiesUtilities.IsReference(entity.GetType(), property.Name, property.PropertyType))
{
LogWriter.Debug("Cleared property. (Set to null)");
Reflector.SetPropertyValue(entity, property.Name, null);
}
}
}
}
}
/// <summary>
/// Retrieves the entities of the specified type.
/// </summary>
/// <returns></returns>
public virtual T[] Index <T>()
where T : IEntity
{
T[] entities = new T[] {};
using (LogGroup logGroup = LogGroup.Start("Indexing entities that have the specified reference.", NLog.LogLevel.Debug))
{
LogWriter.Debug("Type name: " + typeof(T).ToString());
LogWriter.Debug("Enable paging: " + EnablePaging.ToString());
LogWriter.Debug("Require authorisation: " + RequireAuthorisation.ToString());
if (EnablePaging)
{
entities = DataAccess.Data.Indexer.GetPageOfEntities <T>(Location, SortExpression);
}
else
{
entities = DataAccess.Data.Indexer.GetEntities <T>();
}
if (RequireAuthorisation)
{
AuthoriseIndexStrategy.New <T>().EnsureAuthorised(ref entities);
}
LogWriter.Debug("Entity count: " + entities.Length);
AssignStrategies(entities);
React(entities);
}
return(entities);
}
/// <summary>
/// Deletes the provided entity.
/// </summary>
/// <param name="entity"></param>
public virtual void ExecuteDelete(IEntity entity)
{
using (LogGroup logGroup = LogGroup.Start("Deleting the provided entity.", NLog.LogLevel.Debug))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (EnsureAuthorised(entity))
{
if (entity == null)
{
LogWriter.Debug("Entity: [null]");
}
else
{
LogWriter.Debug("Entity: " + entity.GetType().FullName);
}
Deleter.Delete(entity);
LogWriter.Debug("Done");
// Display the result
Result.Display(DynamicLanguage.GetEntityText("EntityDeleted", entity.ShortTypeName));
NavigateAfterDelete(entity);
}
}
}
/// <summary>
/// Index the entity with a references that matches the provided parameters.
/// </summary>
/// <param name="propertyName">The name of the property containing the references.</param>
/// <param name="referencedEntityType">The type of the entity being referenced.</param>
/// <param name="referencedEntityID">The ID of the entity being referenced.</param>
/// <returns>The entity matching the provided parameters.</returns>
public virtual IEntity[] IndexWithReference(string propertyName, string referencedEntityType, Guid referencedEntityID)
{
IEntity[] entities = new IEntity[] {};
using (LogGroup logGroup = LogGroup.Start("Indexing entities that have the specified reference.", NLog.LogLevel.Debug))
{
LogWriter.Debug("Type name: " + TypeName);
LogWriter.Debug("Property name: " + propertyName);
LogWriter.Debug("Reference entity type: " + referencedEntityType);
LogWriter.Debug("Referenced entity ID: " + referencedEntityID.ToString());
LogWriter.Debug("Enable paging: " + EnablePaging.ToString());
LogWriter.Debug("Require authorisation: " + RequireAuthorisation.ToString());
entities = (IEntity[])Reflector.InvokeGenericMethod(this,
"IndexWithReference",
new Type[] { EntityState.Entities[TypeName].GetEntityType() },
new object[] { propertyName, referencedEntityType, referencedEntityID });
if (RequireAuthorisation)
{
AuthoriseIndexStrategy.New(TypeName).EnsureAuthorised(ref entities);
}
React(entities);
LogWriter.Debug("Entity count: " + entities.Length);
}
return(entities);
}
public virtual int SetNumber(ISubEntity entity)
{
using (LogGroup logGroup = LogGroup.Start("Setting the number of the new sub entity.", NLog.LogLevel.Debug))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (entity.Parent == null)
{
throw new Exception("No parent is assigned to this item.");
}
IEntity parent = entity.Parent;
ActivateStrategy.New(parent).Activate(parent, entity.ItemsPropertyName);
ISubEntity[] items = Collection <ISubEntity> .ConvertAll(EntitiesUtilities.GetPropertyValue(parent, entity.ItemsPropertyName));
LogWriter.Debug("Existing items: " + items.Length.ToString());
entity.Number = items.Length + 1;
LogWriter.Debug("Entity number: " + entity.Number.ToString());
}
return(entity.Number);
}
/// <summary>
/// Checks whether the command applies to the reference provided as a serialized XML document.
/// </summary>
/// <param name="document">The serialized reference as an XML document.</param>
/// <returns>A boolean flag indicating whether the command applies to the provided XML document.</returns>
public bool AppliesToReference(XmlDocument document)
{
bool doesApply = false;
using (LogGroup logGroup = LogGroup.Start("Checking whether the command applies to the provided XML document.", LogLevel.Debug))
{
XmlNode type1Node = document.DocumentElement.SelectSingleNode("Type1Name");
XmlNode type2Node = document.DocumentElement.SelectSingleNode("Type2Name");
if (type1Node == null)
{
throw new ArgumentException("The provided document doesn't have a 'Type1Name' node.");
}
if (type2Node == null)
{
throw new ArgumentException("The provided document doesn't have a 'Type2Name' node.");
}
LogWriter.Debug("Type 1 name: " + type1Node.InnerText);
LogWriter.Debug("Type 2 name: " + type2Node.InnerText);
LogWriter.Debug("Expected type name: " + TypeName);
// The command applies if either of the type nodes match the type on the command
doesApply = type1Node.InnerText == TypeName ||
type2Node.InnerText == TypeName;
}
return(doesApply);
}
public IEntity GetParent(string parentTypeName, Guid parentID, string parentUniqueKey)
{
IEntity parent = null;
using (LogGroup logGroup = LogGroup.Start("Retrieving the parent for entity being created.", NLog.LogLevel.Debug))
{
LogWriter.Debug("Parent ID: " + parentID.ToString());
LogWriter.Debug("Parent unique key: " + parentUniqueKey);
LogWriter.Debug("Parent type: " + parentTypeName);
IRetrieveStrategy retrieveStrategy = RetrieveStrategy.New(parentTypeName, RequireAuthorisation);
if (parentUniqueKey != String.Empty)
{
parent = retrieveStrategy.Retrieve("UniqueKey", parentUniqueKey);
}
else if (parentID != Guid.Empty)
{
parent = retrieveStrategy.Retrieve("ID", parentID);
}
else
{
throw new Exception("No unique key or ID found for the parent.");
}
}
return(parent);
}
public virtual void Delete(IEntity entity)
{
using (LogGroup logGroup = LogGroup.Start("Deleting the entity provided.", NLog.LogLevel.Debug))
{
Controller.Delete(entity);
}
}
