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ArraySerializer.cs
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ArraySerializer.cs
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/* Copyright 2010-present MongoDB Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System.Collections.Generic;
namespace MongoDB.Bson.Serialization.Serializers
{
/// <summary>
/// Represents a serializer for one-dimensional arrays.
/// </summary>
/// <typeparam name="TItem">The type of the elements.</typeparam>
public class ArraySerializer<TItem> :
EnumerableSerializerBase<TItem[], TItem>,
IBsonArraySerializer,
IChildSerializerConfigurable
{
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="ArraySerializer{TItem}"/> class.
/// </summary>
public ArraySerializer()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ArraySerializer{TItem}"/> class.
/// </summary>
/// <param name="itemSerializer">The item serializer.</param>
public ArraySerializer(IBsonSerializer<TItem> itemSerializer)
: base(itemSerializer)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ArraySerializer{TItem}" /> class.
/// </summary>
/// <param name="serializerRegistry">The serializer registry.</param>
public ArraySerializer(IBsonSerializerRegistry serializerRegistry)
: base(serializerRegistry)
{
}
// public methods
/// <summary>
/// Returns a serializer that has been reconfigured with the specified item serializer.
/// </summary>
/// <param name="itemSerializer">The item serializer.</param>
/// <returns>The reconfigured serializer.</returns>
public ArraySerializer<TItem> WithItemSerializer(IBsonSerializer<TItem> itemSerializer)
{
return new ArraySerializer<TItem>(itemSerializer);
}
// protected methods
/// <summary>
/// Adds the item.
/// </summary>
/// <param name="accumulator">The accumulator.</param>
/// <param name="item">The item.</param>
protected override void AddItem(object accumulator, TItem item)
{
((List<TItem>)accumulator).Add(item);
}
/// <summary>
/// Creates the accumulator.
/// </summary>
/// <returns>The accumulator.</returns>
protected override object CreateAccumulator()
{
return new List<TItem>();
}
/// <summary>
/// Enumerates the items in serialization order.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The items.</returns>
protected override IEnumerable<TItem> EnumerateItemsInSerializationOrder(TItem[] value)
{
return (IEnumerable<TItem>)value;
}
/// <summary>
/// Finalizes the result.
/// </summary>
/// <param name="accumulator">The accumulator.</param>
/// <returns>The result.</returns>
protected override TItem[] FinalizeResult(object accumulator)
{
return ((List<TItem>)accumulator).ToArray();
}
// explicit interface implementations
IBsonSerializer IChildSerializerConfigurable.ChildSerializer
{
get { return ItemSerializer; }
}
IBsonSerializer IChildSerializerConfigurable.WithChildSerializer(IBsonSerializer childSerializer)
{
return WithItemSerializer((IBsonSerializer<TItem>)childSerializer);
}
}
}