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ConnectionPoolClearingEvent.cs
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ConnectionPoolClearingEvent.cs
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/* Copyright 2019-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 MongoDB.Bson;
using MongoDB.Driver.Core.Clusters;
using MongoDB.Driver.Core.Configuration;
using MongoDB.Driver.Core.Misc;
using MongoDB.Driver.Core.Servers;
namespace MongoDB.Driver.Core.Events
{
/// <summary>
/// Occurs when the pool is about to be cleared.
/// </summary>
public struct ConnectionPoolClearingEvent : IEvent
{
private readonly bool _closeInUseConnections;
private readonly ConnectionPoolSettings _connectionPoolSettings;
private readonly ObjectId? _serviceId;
private readonly ServerId _serverId;
private readonly DateTime _timestamp;
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionPoolClearingEvent"/> struct.
/// </summary>
/// <param name="serverId">The server identifier.</param>
/// <param name="connectionPoolSettings">The connection pool settings.</param>
public ConnectionPoolClearingEvent(ServerId serverId, ConnectionPoolSettings connectionPoolSettings)
: this(serverId, connectionPoolSettings, closeInUseConnections: false)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionPoolClearingEvent"/> struct.
/// </summary>
/// <param name="serverId">The server identifier.</param>
/// <param name="connectionPoolSettings">The connection pool settings.</param>
/// <param name="closeInUseConnections">Whether in use connections should be closed.</param>
public ConnectionPoolClearingEvent(ServerId serverId, ConnectionPoolSettings connectionPoolSettings, bool closeInUseConnections)
: this(serverId, connectionPoolSettings, serviceId: null, closeInUseConnections)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionPoolClearingEvent"/> struct.
/// </summary>
/// <param name="serverId">The server identifier.</param>
/// <param name="connectionPoolSettings">The connection pool settings.</param>
/// <param name="serviceId">The service identifier.</param>
public ConnectionPoolClearingEvent(ServerId serverId, ConnectionPoolSettings connectionPoolSettings, ObjectId? serviceId)
: this(serverId, connectionPoolSettings, serviceId, closeInUseConnections: false)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ConnectionPoolClearingEvent"/> struct.
/// </summary>
/// <param name="serverId">The server identifier.</param>
/// <param name="connectionPoolSettings">The connection pool settings.</param>
/// <param name="serviceId">The service identifier.</param>
/// <param name="closeInUseConnections">Whether in use connections should be closed.</param>
public ConnectionPoolClearingEvent(ServerId serverId, ConnectionPoolSettings connectionPoolSettings, ObjectId? serviceId, bool closeInUseConnections)
{
_serverId = Ensure.IsNotNull(serverId, nameof(serverId));
_connectionPoolSettings = connectionPoolSettings; // can be null
_serviceId = serviceId; // can be null
_closeInUseConnections = closeInUseConnections;
_timestamp = DateTime.UtcNow;
}
/// <summary>
/// Gets a value indicating whether in use connections should be closed.
/// </summary>
public bool CloseInUseConnections => _closeInUseConnections;
/// <summary>
/// Gets the cluster identifier.
/// </summary>
public ClusterId ClusterId
{
get { return _serverId.ClusterId; }
}
/// <summary>
/// Gets the connection pool settings.
/// </summary>
public ConnectionPoolSettings ConnectionPoolSettings
{
get { return _connectionPoolSettings; }
}
/// <summary>
/// Gets the service identifier.
/// </summary>
public ObjectId? ServiceId
{
get { return _serviceId; }
}
/// <summary>
/// Gets the server identifier.
/// </summary>
public ServerId ServerId
{
get { return _serverId; }
}
/// <summary>
/// Gets the timestamp.
/// </summary>
public DateTime Timestamp
{
get { return _timestamp; }
}
// explicit interface implementations
EventType IEvent.Type => EventType.ConnectionPoolClearing;
}
}