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Use ConcurrentDictionary

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ProfessionalUwU 2023-06-28 13:18:33 +02:00
parent 787721381d
commit 42320ebf8d
Signed by: ProfessionalUwU
GPG Key ID: 9F28CB1645C4BFB5
1 changed files with 4 additions and 3 deletions
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src/Chksum/chksum.cs
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@ -1,3 +1,4 @@
using System.Collections.Concurrent;
using System.Reflection; using System.Reflection;
using System.Security.Cryptography; using System.Security.Cryptography;
using Microsoft.Data.Sqlite; using Microsoft.Data.Sqlite;
@ -71,7 +72,7 @@ public class ChksumUtils {
} }
private Dictionary<string, string> CalculateChecksums(string[] filenames) { private Dictionary<string, string> CalculateChecksums(string[] filenames) {
Dictionary<string, string> checksums = new Dictionary<string, string>(); ConcurrentDictionary<string, string> checksums = new ConcurrentDictionary<string, string>();
Parallel.ForEach(filenames, (filename, state) => { Parallel.ForEach(filenames, (filename, state) => {
using (var md5 = MD5.Create()) { using (var md5 = MD5.Create()) {
@ -80,13 +81,13 @@ public class ChksumUtils {
var checksum = BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant(); var checksum = BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();
lock (checksums) { lock (checksums) {
checksums.Add(filename, checksum); checksums.TryAdd(filename, checksum);
} }
} }
} }
}); });
return checksums; return new Dictionary<string, string>(checksums);
} }
public void doTheThing() { public void doTheThing() {