// public methods
/// <summary>
/// Deserializes an object from a BsonReader.
/// </summary>
/// <param name="bsonReader">The BsonReader.</param>
/// <param name="nominalType">The nominal type of the object.</param>
/// <param name="actualType">The actual type of the object.</param>
/// <param name="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
VerifyTypes(nominalType, actualType, typeof(LazyBsonArray));
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.Null:
bsonReader.ReadNull();
return null;
case BsonType.Array:
var slice = bsonReader.ReadRawBsonArray();
return new LazyBsonArray(slice);
default:
var message = string.Format("Cannot deserialize LazyBsonArray from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
}
private RawBsonArray DeserializeRawBsonArray(BsonReader bsonReader)
{
var slice = bsonReader.ReadRawBsonArray();
var nestedArray = new RawBsonArray(slice);
_disposableItems.Add(nestedArray);
return nestedArray;
}
