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Singleton LiteDatabase (#946) 

* update litedb. initialize db as a static singleton instance.

* dont need to dispose anymore
This commit is contained in:
Kyle Spearrin 2020-06-02 09:13:57 -04:00 committed by GitHub
parent 1120bff34d
commit 66055f1d7c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 10 deletions
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2
src/Core/Core.csproj
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@ -24,7 +24,7 @@
<ItemGroup>
<PackageReference Include="CsvHelper" Version="15.0.5" />
<PackageReference Include="LiteDB" Version="5.0.4" />
<PackageReference Include="LiteDB" Version="5.0.8" />
<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
<PackageReference Include="PCLCrypto" Version="2.0.147" />
</ItemGroup>

20
src/Core/Services/LiteDbStorageService.cs
View File

@ -2,14 +2,16 @@
using LiteDB;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System;
using System.Linq;
using System.Threading.Tasks;
namespace Bit.Core.Services
{
public class LiteDbStorageService : IStorageService, IDisposable
public class LiteDbStorageService : IStorageService
{
private static LiteDatabase _db;
private static readonly object _lock = new object();
private readonly JsonSerializerSettings _jsonSettings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
@ -17,7 +19,6 @@ namespace Bit.Core.Services
private readonly string _dbPath;
private ILiteCollection<JsonItem> _collection;
private Task _initTask;
private LiteDatabase _db;
public LiteDbStorageService(string dbPath)
{
@ -38,7 +39,13 @@ namespace Bit.Core.Services
{
try
{
_db = new LiteDatabase($"Filename={_dbPath};Upgrade=true;");
lock (_lock)
{
if (_db == null)
{
_db = new LiteDatabase($"Filename={_dbPath};Upgrade=true;");
}
}
_collection = _db.GetCollection<JsonItem>("json_items");
}
finally
@ -73,11 +80,6 @@ namespace Bit.Core.Services
_collection.DeleteMany(i => i.Id == key);
}
public void Dispose()
{
_db?.Dispose();
}
private class JsonItem
{
public JsonItem() { }