public virtual async Task <long> ReplaceMany(IEnumerable <T> entities, bool isUpsert, CancellationToken token = default)
{
if (entities.Count() == 0)
{
return(0);
}
var requests = new List <WriteModel <T> >();
Func <object, object> idGetter = FieldDefinitions.GetIdFieldGetter(typeof(T));
foreach (T entity in entities)
{
ObjectId entityId = (ObjectId)idGetter.Invoke(entity);
var filter = Builders <T> .Filter.Eq("_id", entityId);
requests.Add(new ReplaceOneModel <T>(filter, entity)
{
IsUpsert = isUpsert
});
}
// BulkWrite
var options = new BulkWriteOptions()
{
IsOrdered = false
};
BulkWriteResult <T> bulkResult = await _collection
.BulkWriteAsync(requests, options, cancellationToken : token)
.ConfigureAwait(false);
return(bulkResult.Upserts.Count + bulkResult.ModifiedCount);
}
public virtual Task <T> FindOneAndReplace(T entity, bool isUpsert, ReturnDocument returnDocument = ReturnDocument.Before, CancellationToken token = default)
{
Func <object, object> idGetter = FieldDefinitions.GetIdFieldGetter(typeof(T));
ObjectId entityId = (ObjectId)idGetter.Invoke(entity);
var filter = Builders <T> .Filter.Eq("_id", entityId);
var options = new FindOneAndReplaceOptions <T>
{
ReturnDocument = returnDocument,
IsUpsert = isUpsert
};
return(_collection.FindOneAndReplaceAsync(filter, entity, options, cancellationToken: token));
}
public virtual async Task <long> ReplaceOne(T entity, bool isUpsert, CancellationToken token = default)
{
Func <object, object> idGetter = FieldDefinitions.GetIdFieldGetter(typeof(T));
ObjectId entityId = (ObjectId)idGetter.Invoke(entity);
var filter = Builders <T> .Filter.Eq("_id", entityId);
var options = new ReplaceOptions
{
IsUpsert = isUpsert
};
ReplaceOneResult result = await _collection.ReplaceOneAsync(filter, entity, options, cancellationToken : token)
.ConfigureAwait(false);
return(result.ModifiedCount);
}
public Task <long> ReplaceOne(T entity, bool isUpsert, CancellationToken token = default)
{
Func <object, object> idGetter = FieldDefinitions.GetIdFieldGetter(typeof(T));
ObjectId entityId = (ObjectId)idGetter.Invoke(entity);
T entityToReplace = Collection.Find(x => (ObjectId)idGetter.Invoke(x) == entityId);
long replaced = 0;
bool doReplace = isUpsert || entityToReplace != null;
if (doReplace)
{
replaced = Collection.RemoveAll(x => (ObjectId)idGetter.Invoke(x) == entityId);
Collection.Add(entity);
}
return(Task.FromResult(replaced));
}
public async Task <T> FindOneAndReplace(T entity, bool isUpsert, ReturnDocument returnDocument = ReturnDocument.Before, CancellationToken token = default)
{
Func <object, object> idGetter = FieldDefinitions.GetIdFieldGetter(typeof(T));
ObjectId entityId = (ObjectId)idGetter.Invoke(entity);
T collectionEntity = Collection
.Where(x => (ObjectId)idGetter.Invoke(x) == entityId)
.FirstOrDefault();
T returnedEntity = collectionEntity;
if (returnDocument == ReturnDocument.Before)
{
//Could clone it here if required with AutoMapper or BinarySerializer.
//However BinarySerializer does not serialize ObjectId.
returnedEntity = collectionEntity;
}
await ReplaceOne(entity, isUpsert, token);
return(returnedEntity);
}
