/// <summary>
/// Writes the bytes for an array of values
/// </summary>
public static byte[] AsArray(IEnumerable<object> array)
{
array = array ?? new object[] { };
//simply create a Document with each index as
//the value of the index of the item
var result = new BsonDocument();
for(var i = 0; i < array.Count(); i++) {
result.Set(i.ToString(), array.ElementAt(i));
}
//then generate the bytes
return result.ToBsonByteArray();
}
/// <summary>
/// Removes all matching fields from each document in the query
/// </summary>
public void Unset(params string[] fields)
{
//mark the fields to be removed
BsonDocument remove = new BsonDocument();
foreach (string field in fields) {
remove.Set<int>(field, 1);
}
//send the command
this._SendUpdate("$unset", UpdateOptionTypes.MultiUpdate, remove);
}
/// <summary>
/// Increments each of the fields by the number provides - first
/// converting the value to an integer
/// </summary>
public void Increment(BsonDocument document)
{
//recast each to an integer value - I'm not sure
//if any numeric type can be used in this instance
foreach (var item in document.GetValues()) {
document.Set<int>(item.Key, document.Get<int>(item.Key, 1));
}
//send the update request
this._SendUpdate("$inc", UpdateOptionTypes.MultiUpdate, document);
}
/// <summary>
/// Increments each of the fields provided by one
/// </summary>
public void Increment(params string[] fields)
{
//create the document
BsonDocument document = new BsonDocument();
foreach (string field in fields) {
document.Set<int>(field, 1);
}
//send the command
this.Increment(document);
}
/// <summary>
/// Creates the body of the request to send
/// </summary>
protected override void GenerateBody(DynamicStream stream)
{
//determine the correct options to use
stream.Append(BsonTranslator.AsInt32((int)this.Options));
//apply the collection and database
stream.Append(BsonTranslator.AsString(this.GetDatabaseTarget()));
//update the range information for this request
stream.Append(BsonTranslator.AsInt32(this.Skip));
stream.Append(BsonTranslator.AsInt32(this.Take));
//generate the query
stream.Append(this.Parameters.ToBsonByteArray());
//generate the field selectors if there are any
if (this.Fields.Count > 0) {
//create the selector document
BsonDocument select = new BsonDocument();
for (int i = 0; i < this.Fields.Count; i++) {
select.Set(this.Fields[i], i + 1);
}
//append the bytes
stream.Append(select.ToBsonByteArray());
}
}
