53 lines
1.7 KiB
C#
53 lines
1.7 KiB
C#
using Orleans;
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using Orleans.Streams;
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using StackExchange.Redis;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Provider
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{
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[GenerateSerializer]
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internal class RedisStreamSequenceToken : StreamSequenceToken
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{
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[Id(0)]
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public override long SequenceNumber { get; protected set; }
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[Id(1)]
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public override int EventIndex { get ; protected set ; }
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public RedisStreamSequenceToken(RedisValue id)
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{
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var split = id.ToString().Split("-");
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SequenceNumber = long.Parse(split[0]);
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EventIndex = int.Parse(split[1]);
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}
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public RedisStreamSequenceToken(long sequenceNumber, int eventIndex)
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{
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SequenceNumber = sequenceNumber;
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EventIndex = eventIndex;
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}
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public override int CompareTo(StreamSequenceToken other)
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{
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if(other is null) throw new ArgumentNullException(nameof(other));
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if(other is RedisStreamSequenceToken token)
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{
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if(SequenceNumber == token.SequenceNumber)
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{
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return EventIndex.CompareTo(token.EventIndex);
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}
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return SequenceNumber.CompareTo(token.SequenceNumber);
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}
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throw new ArgumentException("Invalid token type", nameof(other));
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}
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public override bool Equals(StreamSequenceToken other)
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{
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var token = other as RedisStreamSequenceToken;
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return token != null && SequenceNumber == token.SequenceNumber && EventIndex == token.EventIndex;
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}
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}
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}
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