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ReplicaSetConfig.cs
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ReplicaSetConfig.cs
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/* Copyright 2013-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.Linq;
using System.Net;
using MongoDB.Driver.Core.Misc;
using MongoDB.Shared;
namespace MongoDB.Driver.Core.Clusters
{
/// <summary>
/// Represents the config of a replica set (as reported by one of the members of the replica set).
/// </summary>
public sealed class ReplicaSetConfig : IEquatable<ReplicaSetConfig>
{
#region static
// static properties
/// <summary>
/// Gets an empty replica set config.
/// </summary>
/// <value>
/// An empty replica set config.
/// </value>
public static ReplicaSetConfig Empty
{
get { return new ReplicaSetConfig(Enumerable.Empty<EndPoint>(), null, null, null); }
}
#endregion
// fields
private readonly List<EndPoint> _members;
private readonly string _name;
private readonly EndPoint _primary;
private readonly int? _version;
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="ReplicaSetConfig"/> class.
/// </summary>
/// <param name="members">The members.</param>
/// <param name="name">The name.</param>
/// <param name="primary">The primary.</param>
/// <param name="version">The version.</param>
public ReplicaSetConfig(
IEnumerable<EndPoint> members,
string name,
EndPoint primary,
int? version)
{
_members = Ensure.IsNotNull(members, nameof(members)).ToList();
_name = name; // can be null
_primary = primary; // can be null
_version = version;
}
// properties
/// <summary>
/// Gets the members.
/// </summary>
/// <value>
/// The members.
/// </value>
public IReadOnlyList<EndPoint> Members
{
get { return _members; }
}
/// <summary>
/// Gets the name of the replica set.
/// </summary>
/// <value>
/// The name of the replica set.
/// </value>
public string Name
{
get { return _name; }
}
/// <summary>
/// Gets the primary.
/// </summary>
/// <value>
/// The primary.
/// </value>
public EndPoint Primary
{
get { return _primary; }
}
/// <summary>
/// Gets the replica set config version.
/// </summary>
/// <value>
/// The replica set config version.
/// </value>
public int? Version
{
get { return _version; }
}
// members
/// <inheritdoc/>
public override bool Equals(object obj)
{
return Equals(obj as ReplicaSetConfig);
}
/// <inheritdoc/>
public bool Equals(ReplicaSetConfig other)
{
if (other == null)
{
return false;
}
return
_members.SequenceEqual(other._members) &&
object.Equals(_name, other._name) &&
object.Equals(_primary, other._primary) &&
_version.Equals(other._version);
}
/// <inheritdoc/>
public override int GetHashCode()
{
return new Hasher()
.HashElements(_members)
.Hash(_name)
.Hash(_primary)
.Hash(_version)
.GetHashCode();
}
}
}