BsonConstants.cs

/* 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.
*/

usingSystem;

namespaceMongoDB.Bson
{
/// <summary>
/// A static class containing BSON constants.
/// </summary>
publicstaticclassBsonConstants
{
// private static fields
privatestaticreadonlylong__dateTimeMaxValueMillisecondsSinceEpoch;
privatestaticreadonlylong__dateTimeMinValueMillisecondsSinceEpoch;
privatestaticreadonlyDateTime__unixEpoch;

// static constructor
staticBsonConstants()
{
// unixEpoch has to be initialized first
__unixEpoch=newDateTime(1970,1,1,0,0,0,DateTimeKind.Utc);
__dateTimeMaxValueMillisecondsSinceEpoch=(DateTime.MaxValue-__unixEpoch).Ticks/10000;
__dateTimeMinValueMillisecondsSinceEpoch=(DateTime.MinValue-__unixEpoch).Ticks/10000;
}

// public static properties
/// <summary>
/// Gets the number of milliseconds since the Unix epoch for DateTime.MaxValue.
/// </summary>
publicstaticlongDateTimeMaxValueMillisecondsSinceEpoch
{
get{return__dateTimeMaxValueMillisecondsSinceEpoch;}
}

/// <summary>
/// Gets the number of milliseconds since the Unix epoch for DateTime.MinValue.
/// </summary>
publicstaticlongDateTimeMinValueMillisecondsSinceEpoch
{
get{return__dateTimeMinValueMillisecondsSinceEpoch;}
}

/// <summary>
/// Gets the Unix Epoch for BSON DateTimes (1970-01-01).
/// </summary>
publicstaticDateTimeUnixEpoch{get{return__unixEpoch;}}
}
}