| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * |
| * https://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; |
| |
| namespace Avro.Util |
| { |
| /// <summary> |
| /// The 'time-micros' logical type. |
| /// </summary> |
| public class TimeMicrosecond : LogicalUnixEpochType<TimeSpan> |
| { |
| private static readonly TimeSpan _exclusiveUpperBound = TimeSpan.FromDays(1); |
| |
| /// <summary> |
| /// The logical type name for TimeMicrosecond. |
| /// </summary> |
| public static readonly string LogicalTypeName = "time-micros"; |
| |
| /// <summary> |
| /// Initializes a new TimeMicrosecond logical type. |
| /// </summary> |
| public TimeMicrosecond() : base(LogicalTypeName) |
| { } |
| |
| /// <inheritdoc/> |
| public override void ValidateSchema(LogicalSchema schema) |
| { |
| if (Schema.Type.Long != schema.BaseSchema.Tag) |
| throw new AvroTypeException("'time-micros' can only be used with an underlying long type"); |
| } |
| |
| /// <inheritdoc/> |
| public override object ConvertToBaseValue(object logicalValue, LogicalSchema schema) |
| { |
| var time = (TimeSpan)logicalValue; |
| |
| ThrowIfOutOfRange(time, nameof(logicalValue)); |
| |
| // Note: UnixEpochDateTime.TimeOfDay is '00:00:00'. This could be 'return time.Ticks / TicksPerMicrosecond'; |
| return (time - UnixEpochDateTime.TimeOfDay).Ticks / TicksPerMicrosecond; |
| } |
| |
| /// <inheritdoc/> |
| public override object ConvertToLogicalValue(object baseValue, LogicalSchema schema) |
| { |
| var time = TimeSpan.FromTicks((long)baseValue * TicksPerMicrosecond); |
| |
| ThrowIfOutOfRange(time, nameof(baseValue)); |
| |
| // Note: UnixEpochDateTime.TimeOfDay is '00:00:00', so the Add is meaningless. This could be 'return time;' |
| return UnixEpochDateTime.TimeOfDay.Add(time); |
| } |
| |
| private static void ThrowIfOutOfRange(TimeSpan time, string paramName) |
| { |
| if (time.Ticks < 0 || time >= _exclusiveUpperBound) |
| { |
| throw new ArgumentOutOfRangeException(paramName, $"A '{LogicalTypeName}' value must be at least '{TimeSpan.Zero}' and less than '{_exclusiveUpperBound}'."); |
| } |
| } |
| } |
| } |