private async System.Threading.Tasks.Task InitializeDb(TextView textView)
{
var dbFolder = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
var fileName = "Cats.db";
var dbFullPath = Path.Combine(dbFolder, fileName);
CreateDb(dbFullPath);
try
{
_db = new CatContext(dbFullPath);
var lol = await _db.Cats.ToListAsync();
if (!lol.Any())
{
await generateFakeData(_db);
}
await PrintUsers(textView, _db);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
public static void Initialize(CatContext context)
{
context.Database.EnsureCreated();
if (context.cats.Any())
{
return;
}
var cats = new Cat[]
{
new Cat {
Name = "MeowMeow1", Color = "Caucasian", Price = 400, FavoriteDish = "Tuna", Birthdate = DateTime.Today
},
new Cat {
Name = "MeowMeow2", Color = "AfricanAmerican", Price = 500, FavoriteDish = "Tuna", Birthdate = DateTime.Today
},
new Cat {
Name = "MeowMeow3", Color = "Asian", Price = 450, FavoriteDish = "Tuna", Birthdate = DateTime.Today
}
};
foreach (Cat p in cats)
{
context.Add(p);
}
context.SaveChanges();
}
/// <summary>
/// 客户端创建请求上下文
/// </summary>
/// <param name="contextName">上下文名称</param>
public static CatContext LogRemoteCallClient(string contextName)
{
var ctx = new CatContext(contextName);
var tree = GetManager().ThreadLocalMessageTree;
if (tree.MessageId == null)
{
tree.MessageId = CreateMessageId();
}
var messageId = tree.MessageId;
var childId = CreateMessageId();
LogEvent(PureCatConstants.TYPE_REMOTE_CALL, ctx.ContextName, PureCatConstants.SUCCESS, childId);
var rootId = tree.RootMessageId;
if (rootId == null)
{
rootId = tree.MessageId;
}
ctx.CatRootId = rootId;
ctx.CatParentId = messageId;
ctx.CatChildId = childId;
return(ctx);
}
private static async System.Threading.Tasks.Task generateFakeData(CatContext db)
{
await db.Database.MigrateAsync();
//We need to ensure the latest Migration was added. This is different than EnsureDatabaseCreated.
Cat catGary = new Cat()
{
CatId = 1, Name = "Gary", MeowsPerSecond = 5
};
Cat catJack = new Cat()
{
CatId = 2, Name = "Jack", MeowsPerSecond = 11
};
Cat catLuna = new Cat()
{
CatId = 3, Name = "Luna", MeowsPerSecond = 3
};
List <Cat> catsInTheHat = new List <Cat>()
{
catGary, catJack, catLuna
};
if (await db.Cats.CountAsync() < 3)
{
await db.Cats.AddRangeAsync(catsInTheHat);
await db.SaveChangesAsync();
}
}
/// <summary>
/// 服务端串联上下文
/// </summary>
/// <param name="context">上下文</param>
public static void LogRemoteCallServer(CatContext context)
{
if (context == null)
{
return;
}
var tree = GetManager().ThreadLocalMessageTree;
var messageId = context.CatChildId;
var rootId = context.CatRootId;
var parentId = context.CatParentId;
if (messageId != null)
{
tree.MessageId = messageId;
}
if (parentId != null)
{
tree.ParentMessageId = parentId;
}
if (rootId != null)
{
tree.RootMessageId = rootId;
}
}
public override async void ViewDidLoad()
{
System.Diagnostics.Debug.WriteLine("ViewController.ViewDidLoad()");
base.ViewDidLoad();
// NOTE: See LinkDescription.xml, which describes how to get the Xamarin linker to preserve key types and
// methods that Entity Framework Core uses only via reflection. Without such instructions to the linker,
// EF Core code such as below would generate runtime errors when the linker is used; e.g. in builds that
// are deployed to device or for publishing to the App Store. Unfortunately, such issues aren't immediately
// evident when running a sample like this in the simulator, as the default Xamarin iOS project config has
// linking disabled for the iPhoneSimulator target.
var dbFolder = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
var fileName = "Cats.db";
var dbFullPath = Path.Combine(dbFolder, fileName);
try
{
using (var db = new CatContext(dbFullPath))
{
await db.Database.MigrateAsync(); //We need to ensure the latest Migration was added. This is different than EnsureDatabaseCreated.
Cat catGary = new Cat()
{
CatId = 1, Name = "Gary", MeowsPerSecond = 5
};
Cat catJack = new Cat()
{
CatId = 2, Name = "Jack", MeowsPerSecond = 11
};
Cat catLuna = new Cat()
{
CatId = 3, Name = "Luna", MeowsPerSecond = 3
};
List <Cat> catsInTheHat = new List <Cat>()
{
catGary, catJack, catLuna
};
if (await db.Cats.CountAsync() < 3)
{
await db.Cats.AddRangeAsync(catsInTheHat);
await db.SaveChangesAsync();
}
var catsInTheBag = await db.Cats.ToListAsync();
foreach (var cat in catsInTheBag)
{
textView.Text += $"{cat.CatId} - {cat.Name} - {cat.MeowsPerSecond}" + System.Environment.NewLine;
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
public UnitOfWork(CatContext context, IServerRepository serverRepository, IUserRepository userRepository, ILogsRepository logsRepository)
{
_context = context;
Servers = serverRepository;
Users = userRepository;
Logs = logsRepository;
}
protected override void Seed(CatContext context)
{
var breeds = new List <Breed>
{
new Breed {
Name = "Black"
},
new Breed {
Name = "Tabby"
},
new Breed {
Name = "Calico"
},
new Breed {
Name = "Serval"
},
new Breed {
Name = "Tiger"
},
new Breed {
Name = "Persian"
},
new Breed {
Name = "Jaguar"
},
new Breed {
Name = "Mountain Lion"
}
};
context.Breeds.AddRange(breeds);
context.SaveChanges();
}
static void Add(int a, int b, CatContext context = null)
{
Thread.Sleep(_rand.Next(1000));
PureCatClient.LogRemoteCallServer(context);
PureCatClient.LogEvent("Do", nameof(Add), "0", $"{a} + {b} = {a + b}");
Task.Factory.StartNew(() => PureCatClient.DoTransaction("Do", nameof(Add2), () => PureCatClient.LogRemoteCallClient("callAdd2")));
}
/// <summary>
/// 设置消息树到当前请求头
/// </summary>
/// <returns></returns>
public static void SetCatContextToRequestHeader(System.Web.HttpContext http, CatContext context)
{
if (http.Request.Headers.GetValues("catContext") != null && http.Request.Headers.GetValues("catContext").Length > 0)
{
http.Request.Headers.Remove("catContext");
}
http.Request.Headers.Add("catContext", Lind.DDD.Utils.SerializeMemoryHelper.SerializeToJson(context));
}
/// <summary>
/// 设置catContext到响应头
/// </summary>
/// <param name="response"></param>
/// <param name="context"></param>
public static void SetCatContextToResponseHeader(HttpResponseBase response, CatContext context)
{
if (response.Headers.GetValues("catContext") != null &&
response.Headers.GetValues("catContext").Length > 0)
{
response.Headers.Remove("catContext");
}
response.Headers.Add("catContext", Lind.DDD.Utils.SerializeMemoryHelper.SerializeToJson(context));
}
protected async override void OnAppearing()
{
var dbFolder = System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments);
var fileName = "Cats.db";
var dbFullPath = Path.Combine(dbFolder, fileName);
try
{
using (var db = new CatContext(dbFullPath))
{
await db.Database.MigrateAsync(); //We need to ensure the latest Migration was added. This is different than EnsureDatabaseCreated.
Cat catGary = new Cat()
{
CatId = 1, Name = "Gary", MeowsPerSecond = 5
};
Cat catJack = new Cat()
{
CatId = 2, Name = "Jack", MeowsPerSecond = 11
};
Cat catLuna = new Cat()
{
CatId = 3, Name = "Luna", MeowsPerSecond = 3
};
List <Cat> catsInTheHat = new List <Cat>()
{
catGary, catJack, catLuna
};
if (await db.Cats.CountAsync() < 3)
{
await db.Cats.AddRangeAsync(catsInTheHat);
await db.SaveChangesAsync();
}
var catsInTheBag = await db.Cats.ToListAsync();
textView.Text = "";
foreach (var cat in catsInTheBag)
{
textView.Text += $"{cat.CatId} - {cat.Name} - {cat.MeowsPerSecond}" + System.Environment.NewLine;
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
/// <summary>
/// 运行一个已有事务的代码段
/// </summary>
/// <param name="type"></param>
/// <param name="name"></param>
/// <param name="context"></param>
/// <param name="action"></param>
/// <returns></returns>
public static CatContext DoTransaction(string type, string name, CatContext context, Action action)
{
var tran = NewTransaction(type, name);
try
{
action();
return(context);
}
catch (Exception ex)
{
LogError(ex);
tran.SetStatus(ex);
throw;
}
finally
{
tran.Complete();
}
}
protected async override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.MyButton);
button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); };
TextView textView = FindViewById <TextView>(Resource.Id.TextView1);
var dbFolder = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
var fileName = "Cats.db";
var dbFullPath = Path.Combine(dbFolder, fileName);
try
{
using (var db = new CatContext(dbFullPath))
{
await db.Database.MigrateAsync(); //We need to ensure the latest Migration was added. This is different than EnsureDatabaseCreated.
Cat catGary = new Cat()
{
CatId = 1, Name = "Gary", MeowsPerSecond = 5
};
Cat catJack = new Cat()
{
CatId = 2, Name = "Jack", MeowsPerSecond = 11
};
Cat catLuna = new Cat()
{
CatId = 3, Name = "Luna", MeowsPerSecond = 3
};
List <Cat> catsInTheHat = new List <Cat>()
{
catGary, catJack, catLuna
};
if (await db.Cats.CountAsync() < 3)
{
await db.Cats.AddRangeAsync(catsInTheHat);
await db.SaveChangesAsync();
}
var catsInTheBag = await db.Cats.ToListAsync();
foreach (var cat in catsInTheBag)
{
textView.Text += $"{cat.CatId} - {cat.Name} - {cat.MeowsPerSecond}" + System.Environment.NewLine;
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
public UserRepository(CatContext context) : base(context)
{
}
public HomeController(CatContext context)
{
db = context;
}
private static async System.Threading.Tasks.Task PrintUsers(TextView textView, CatContext db)
{
var catsInTheBag = await db.Cats.ToListAsync();
textView.Text = String.Empty;
foreach (var cat in catsInTheBag)
{
textView.Text += $"{cat.CatId} - {cat.Name} - {cat.MeowsPerSecond}" + System.Environment.NewLine;
}
}
public ProdutoRepository(CatContext c)
{
_context = c;
}
public HomeController()
{
catContext = new CatContext();
}
public AbstractCatState(CatContext handle)
{
Handle = handle;
}
public ContemplatingState(CatContext Handle) : base(Handle)
{
}
public RoomManager(CatContext context)
{
_context = context;
}
public RoomController(CatContext context)
{
_context = context;
roomManager = new RoomManager(_context);
}
public AddCatModel(CatContext db, IHostingEnvironment environment)
{
_db = db;
_appEnvironment = environment;
}
static void Add(int a, int b, CatContext context = null)
{
PureCat.LogRemoteCallServer(context);
PureCat.LogEvent("Do", nameof(Add), "0", $"{a} + {b} = {a + b}");
}
public LogsRepository(CatContext context) : base(context)
{
}
public SleepingState(CatContext Handle) : base(Handle)
{
}
void Awake()
{
catContext = new CatContext(new Good());
}
public CatsController(CatContext context)
{
this.Context = context;
}
public DogController(CatContext context)
{
db = context;
}
