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init task

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This commit is contained in:
Kyle Spearrin 2019-04-26 10:40:28 -04:00
parent 08c3aff60b
commit fb50123af0
1 changed files with 32 additions and 14 deletions
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42
src/Core/Services/LiteDbStorageService.cs
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@ -15,45 +15,63 @@ namespace Bit.Core.Services
};
private readonly string _dbPath;
private LiteCollection<JsonItem> _collection;
private Task _initTask;
public LiteDbStorageService(string dbPath)
{
_dbPath = dbPath;
}
public void Init()
public Task InitAsync()
{
if(_collection == null)
if(_collection != null)
{
return Task.FromResult(0);
}
if(_initTask != null)
{
return _initTask;
}
Task doTask()
{
try
{
var db = new LiteDatabase($"Filename={_dbPath};");
_collection = db.GetCollection<JsonItem>("json_items");
return Task.FromResult(0);
}
finally
{
_initTask = null;
}
};
_initTask = doTask();
return _initTask;
}
public Task<T> GetAsync<T>(string key)
public async Task<T> GetAsync<T>(string key)
{
Init();
await InitAsync();
var item = _collection.Find(i => i.Id == key).FirstOrDefault();
if(item == null)
{
return Task.FromResult(default(T));
return default(T);
}
return Task.FromResult(JsonConvert.DeserializeObject<T>(item.Value, _jsonSettings));
return JsonConvert.DeserializeObject<T>(item.Value, _jsonSettings);
}
public Task SaveAsync<T>(string key, T obj)
public async Task SaveAsync<T>(string key, T obj)
{
Init();
await InitAsync();
var data = JsonConvert.SerializeObject(obj, _jsonSettings);
_collection.Upsert(new JsonItem(key, data));
return Task.FromResult(0);
}
public Task RemoveAsync(string key)
public async Task RemoveAsync(string key)
{
Init();
await InitAsync();
_collection.Delete(i => i.Id == key);
return Task.FromResult(0);
}
private class JsonItem