public EntityReference SwitchFor(IEntity entity)
{
EntityReference reference = this;
using (LogGroup logGroup = LogGroup.StartDebug("Switching the reference to the perspective of '" + entity.ShortTypeName + "' entity."))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
LogWriter.Debug("Existing source entity type: " + Type1Name);
LogWriter.Debug("Existing reference entity type: " + Type2Name);
LogWriter.Debug("Existing source entity ID: " + Entity1ID.ToString());
LogWriter.Debug("Existing reference entity ID: " + Entity2ID.ToString());
LogWriter.Debug("Existing source property name: " + Property1Name.ToString());
LogWriter.Debug("Existing reference property name: " + Property2Name.ToString());
SwitchFor(entity.ShortTypeName, entity.ID);
}
return(reference);
}
public virtual EntityReference SwitchFor(string typeName, Guid id)
{
//EntityReference reference = (EntityReference)Clone();
EntityReference reference = this;
// TODO: Comment out logging to boost performance
using (LogGroup logGroup = LogGroup.StartDebug("Switching reference data to the perspective of a '" + typeName + "' entity."))
{
if (typeName == null)
{
throw new ArgumentNullException("typeName");
}
LogWriter.Debug("Existing source entity type: " + Type1Name);
LogWriter.Debug("Existing reference entity type: " + Type2Name);
LogWriter.Debug("Existing source entity ID: " + Entity1ID.ToString());
LogWriter.Debug("Existing reference entity ID: " + Entity2ID.ToString());
LogWriter.Debug("Existing source property name: " + Property1Name.ToString());
LogWriter.Debug("Existing reference property name: " + Property2Name.ToString());
if (EntitiesUtilities.MatchAlias(typeName, Type1Name) &&
Entity1ID == id)
{
LogWriter.Debug("The reference is already in the perspective of the specified entity. No need to switch.");
}
else
{
LogWriter.Debug("Switching to the perspective of entity type: " + typeName);
Guid entity1ID = Entity1ID;
Guid entity2ID = Entity2ID;
string type1Name = Type1Name;
string type2Name = Type2Name;
string property1Name = Property1Name;
string property2Name = Property2Name;
IEntity originalSourceEntity = SourceEntity;
IEntity originalReferenceEntity = ReferenceEntity;
reference.SourceEntity = originalReferenceEntity;
reference.ReferenceEntity = originalSourceEntity;
reference.Entity1ID = entity2ID;
reference.Entity2ID = entity1ID;
reference.Type1Name = type2Name;
reference.Type2Name = type1Name;
reference.Property1Name = property2Name;
reference.Property2Name = property1Name;
LogWriter.Debug("New source entity type: " + reference.Type1Name);
LogWriter.Debug("New reference entity type: " + reference.Type2Name);
LogWriter.Debug("New source entity ID: " + reference.Entity1ID.ToString());
LogWriter.Debug("New reference entity ID: " + reference.Entity2ID.ToString());
LogWriter.Debug("New source property name: " + reference.Property1Name.ToString());
LogWriter.Debug("New reference property name: " + reference.Property2Name.ToString());
}
}
return(reference);
}
/// <summary>
/// Gets the entity in the reference that wasn't provided. Hence the "other" entity.
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public IEntity GetOtherEntity(IEntity entity)
{
IEntity otherEntity = null;
//using (LogGroup logGroup = LogGroup.Start("Retrieving the entity from the reference that is not the one provided (ie. the other entity).", NLog.LogLevel.Debug))
//{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (referenceEntity == null)
{
throw new InvalidOperationException("The referenced entity is null.");
}
if (sourceEntity == null)
{
throw new InvalidOperationException("The source entity is null.");
}
if (referenceEntity.ID == entity.ID)
{
otherEntity = sourceEntity;
}
else if (sourceEntity.ID == entity.ID)
{
otherEntity = referenceEntity;
}
else
{
throw new InvalidOperationException("Can't get the other entity. Neither entity matches.\nParameter entity type: " + entity.ToString() + "\nParameter entity ID: " + entity.ID.ToString() + "\nEntity #1 type: " + Type1Name + "\nEntity #2 type: " + Type2Name + "\nProperty #1 type: " + Property1Name + "\nProperty #2 type: " + Property2Name + "\nEntity #1 ID: " + Entity1ID.ToString() + "\nEntity #2 ID: " + Entity2ID.ToString());
}
//LogWriter.Debug("Other entity type: " + otherEntity.GetType().ToString());
//LogWriter.Debug("Other entity ID: " + otherEntity.ID.ToString());
//}
return(otherEntity);
}
