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GeoJsonFeatureCollection.cs
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GeoJsonFeatureCollection.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;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using MongoDB.Bson.Serialization.Attributes;
using MongoDB.Driver.GeoJsonObjectModel.Serializers;
namespace MongoDB.Driver.GeoJsonObjectModel
{
/// <summary>
/// Represents a GeoJson FeatureCollection.
/// </summary>
/// <typeparam name="TCoordinates">The type of the coordinates.</typeparam>
[BsonSerializer(typeof(GeoJsonFeatureCollectionSerializer<>))]
public class GeoJsonFeatureCollection<TCoordinates> : GeoJsonObject<TCoordinates> where TCoordinates : GeoJsonCoordinates
{
// private fields
private ReadOnlyCollection<GeoJsonFeature<TCoordinates>> _features;
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="GeoJsonFeatureCollection{TCoordinates}"/> class.
/// </summary>
/// <param name="features">The features.</param>
public GeoJsonFeatureCollection(IEnumerable<GeoJsonFeature<TCoordinates>> features)
: this(null, features)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoJsonFeatureCollection{TCoordinates}"/> class.
/// </summary>
/// <param name="args">The additional args.</param>
/// <param name="features">The features.</param>
public GeoJsonFeatureCollection(GeoJsonObjectArgs<TCoordinates> args, IEnumerable<GeoJsonFeature<TCoordinates>> features)
: base(args)
{
if (features == null)
{
throw new ArgumentNullException("features");
}
var featuresArray = features.ToArray();
if (featuresArray.Contains(null))
{
throw new ArgumentException("One of the features is null.", "features");
}
_features = new ReadOnlyCollection<GeoJsonFeature<TCoordinates>>(featuresArray);
}
// public properties
/// <summary>
/// Gets the features.
/// </summary>
public ReadOnlyCollection<GeoJsonFeature<TCoordinates>> Features
{
get { return _features; }
}
/// <summary>
/// Gets the type of the GeoJson object.
/// </summary>
public override GeoJsonObjectType Type
{
get { return GeoJsonObjectType.FeatureCollection; }
}
}
}