private IEnumerable <IWriteCommand <TEntity> > GetWriteCommands()
{
var results = new List <IWriteCommand <TEntity> >();
foreach (var collection in ManagedCollections)
{
foreach (var entry in collection.GetEntries())
{
if (entry.State == EntityEntryState.Added)
{
EntityMutation <TEntity> .MutateEntity(entry.Entity, MutatorType.Insert, Connection);
}
else if (entry.State == EntityEntryState.Updated)
{
EntityMutation <TEntity> .MutateEntity(entry.Entity, MutatorType.Update, Connection);
}
var validationContext = new ValidationContext(entry.Entity);
Validator.ValidateObject(entry.Entity, validationContext);
var command = EntityCommandBuilder <TEntity> .CreateCommand(entry);
if (command != null)
{
results.Add(command);
}
}
}
results.AddRange(StagedCommands);
return(results);
}
public virtual TEntity Create()
{
var entity = Activator.CreateInstance <TEntity>();
EntityMutation <TEntity> .MutateEntity(entity, MutatorType.Create, Connection);
Add(entity);
return(entity);
}
private IEnumerable <WriteModel <TEntity> > BuildWriteModel(IDbEntityCollection <TEntity> entityCollection)
{
var idFieldName = EntityMapper.GetIdName();
var writeModel = new List <WriteModel <TEntity> >();
foreach (var entry in entityCollection.GetEntries())
{
if (entry.State == DbEntityEntryState.Added)
{
EntityMutation <TEntity> .MutateEntity(entry.Entity, MutatorType.Insert, Database);
writeModel.Add(new InsertOneModel <TEntity>(entry.Entity));
}
else if (entry.State == DbEntityEntryState.Updated)
{
EntityMutation <TEntity> .MutateEntity(entry.Entity, MutatorType.Update, Database);
var idFieldValue = EntityMapper.GetIdValue(entry.Entity);
var filter = Builders <TEntity> .Filter.Eq(idFieldName, idFieldValue);
var updateDefintion = UpdateDefinitionHelper.CreateFromDiff <TEntity>(entry.OriginalValues, entry.CurrentValues);
//MongoDB doesn't like it if an UpdateDefinition is empty.
//This is primarily to work around a mutation that may set an entity to its default state.
if (updateDefintion.HasChanges())
{
writeModel.Add(new UpdateOneModel <TEntity>(filter, updateDefintion));
}
}
else if (entry.State == DbEntityEntryState.Deleted)
{
var idFieldValue = EntityMapper.GetIdValue(entry.Entity);
var filter = Builders <TEntity> .Filter.Eq(idFieldName, idFieldValue);
writeModel.Add(new DeleteOneModel <TEntity>(filter));
}
}
return(writeModel);
}
public void ProcessEntity(TEntity entity)
{
EntityMutation <TEntity> .MutateEntity(entity, MutatorType.Select, Database);
}
public void ProcessEntity(TEntity entity, IMongoDbConnection connection)
{
EntityMutation <TEntity> .MutateEntity(entity, MutatorType.Select, connection);
}