public void Delete <T>(T entity)
{
if (EntityMetadataMap.ContainsKey(entity) == false)
{
throw new InvalidOperationException(String.Format("{0} is not associated with the current couch document session, cannot delete unknown entity.", entity));
}
DeletedEntities.Add(entity);
}
public void SaveChanges()
{
var docs = new List <CouchDocument>();
var entities = new List <object>();
foreach (var entity in DeletedEntities)
{
EntityMetadata entityMetadata;
if (EntityMetadataMap.TryGetValue(entity, out entityMetadata))
{
EntityMetadataMap.Remove(entity);
IdentityMap.Remove(entityMetadata.Key);
Type entityType = entity.GetType();
PropertyInfo identityProperty = CouchDatabase.CouchDocumentConvention.GetIdentityPropertyFor(entityType);
docs.Add(CouchDocument.Dehydrate(entity, identityProperty, entityMetadata.Revision, true));
entities.Add(entity);
}
}
DeletedEntities.Clear();
foreach (var entity in EntityMetadataMap.Where(pair => IsEntityDirty(pair.Key, pair.Value)))
{
Type entityType = entity.Key.GetType();
PropertyInfo identityProperty = CouchDatabase.CouchDocumentConvention.GetIdentityPropertyFor(entityType);
docs.Add(CouchDocument.Dehydrate(entity.Key, identityProperty, entity.Value.Revision, false));
entities.Add(entity.Key);
}
if (docs.Count == 0 && entities.Count == 0)
{
return;
}
var bulkDocsMessage = new BulkDocsMessage(docs);
var bulkDocsCommand = new BulkDocsCommand(CouchDatabase.Name, bulkDocsMessage);
BulkDocsResult[] results = CouchDatabase.CouchProxy.Execute <BulkDocsResult[]>(bulkDocsCommand);
for (int index = 0; index < results.Length; index++)
{
BulkDocsResult result = results[index];
object entity = entities[index];
EntityMetadata entityMetadata;
if (EntityMetadataMap.TryGetValue(entity, out entityMetadata) == false)
{
continue;
}
IdentityMap[result.Id] = entity;
entityMetadata.Revision = result.Rev;
entityMetadata.OriginalEntity = entity;
}
}
public void Store(object entity)
{
Type entityType = entity.GetType();
PropertyInfo identityProperty = CouchDatabase.CouchDocumentConvention.GetIdentityPropertyFor(entityType);
object id = null;
if (identityProperty != null)
{
id = GetIdentityValueFor(entity, identityProperty);
if (id == null)
{
id = CouchDatabase.CouchDocumentConvention.GenerateIdentityFor(identityProperty.PropertyType);
identityProperty.SetValue(entity, id, null);
}
}
if (id != null)
{
if (IdentityMap.ContainsKey(id.ToString()))
{
if (ReferenceEquals(IdentityMap[id.ToString()], entity))
{
return;
}
throw new NonUniqueEntityException("Attempted to associate a different entity with id '" + id + "'.");
}
var entityMetadata = new EntityMetadata {
Key = id.ToString(), Revision = String.Empty
};
EntityMetadataMap.Add(entity, entityMetadata);
IdentityMap[id.ToString()] = entity;
}
}
