public bool CheckOrSave(string endpoint, Int32 bucket, long position)
{
var id = new RiakObjectId($"{Settings.Bucket}.system", $"{endpoint}:{bucket}");
var options = new RiakGetOptions {
};
options.SetRw(Quorum.WellKnown.All);
var exists = _riak.Get(id, options);
if (exists.IsSuccess)
{
return(false);
}
var competer = new Competer
{
Id = $"{endpoint}:{bucket}",
Discriminator = Discriminator,
Endpoint = endpoint,
Bucket = bucket,
Position = position,
Heartbeat = DateTime.UtcNow
};
var putOpt = new RiakPutOptions {
IfNotModified = false, IfNoneMatch = true
};
putOpt.SetW(Quorum.WellKnown.All);
var o = new RiakObject(id, competer);
var result = _riak.Put(o, putOpt);
if (!result.IsSuccess)
{
Logger.Info("Endpoint {0} failed to claim bucket {1}. Error: {2}", endpoint, bucket, result.ErrorMessage);
return(false);
}
Thread.Sleep(new Random().Next(100, 2000));
do
{
exists = _riak.Get(id, options);
} while (!exists.IsSuccess);
competer = exists.Value.GetObject <Competer>();
if (competer.Discriminator != Discriminator)
{
Logger.Info("Endpoint {0} failed to claim bucket {1}. Error: {2}", endpoint, bucket, "Discriminator mismatch");
return(false);
}
Logger.Info("Endpoint {0} successfully claimed bucket {1}", endpoint, bucket);
return(true);
}
static void Main(string[] args)
{
Console.WriteLine("Creating Data");
Customer customer = CreateCustomer();
IEnumerable <Order> orders = CreateOrders(customer);
OrderSummary orderSummary = CreateOrderSummary(customer, orders);
Console.WriteLine("Starting Client");
using (IRiakEndPoint endpoint = RiakCluster.FromConfig("riakConfig"))
{
IRiakClient client = endpoint.CreateClient();
Console.WriteLine("Storing Data");
client.Put(ToRiakObject(customer));
foreach (Order order in orders)
{
// NB: this adds secondary index data as well
client.Put(ToRiakObject(order));
}
client.Put(ToRiakObject(orderSummary));
Console.WriteLine("Fetching related data by shared key");
string key = "1";
var result = client.Get(customersBucketName, key);
CheckResult(result);
Console.WriteLine("Customer 1: {0}\n", GetValueAsString(result));
result = client.Get(orderSummariesBucketName, key);
CheckResult(result);
Console.WriteLine("OrderSummary 1: {0}\n", GetValueAsString(result));
Console.WriteLine("Index Queries");
// Query for order keys where the SalesPersonId index is set to 9000
var riakIndexId = new RiakIndexId(ordersBucketName, ordersSalesPersonIdIndexName);
RiakResult <RiakIndexResult> indexRiakResult = client.GetSecondaryIndex(riakIndexId, 9000); // NB: *must* use 9000 as integer here.
CheckResult(indexRiakResult);
RiakIndexResult indexResult = indexRiakResult.Value;
Console.WriteLine("Jane's orders (key values): {0}", string.Join(", ", indexResult.IndexKeyTerms.Select(ikt => ikt.Key)));
// Query for orders where the OrderDate index is between 2013-10-01 and 2013-10-31
riakIndexId = new RiakIndexId(ordersBucketName, ordersOrderDateIndexName);
indexRiakResult = client.GetSecondaryIndex(riakIndexId, "2013-10-01", "2013-10-31"); // NB: *must* use strings here.
CheckResult(indexRiakResult);
indexResult = indexRiakResult.Value;
Console.WriteLine("October orders (key values): {0}", string.Join(", ", indexResult.IndexKeyTerms.Select(ikt => ikt.Key)));
}
}
private static void StoreData()
{
Console.WriteLine("[ChaosMonkeyApp] store thread starting");
IRiakClient client = cluster.CreateClient();
try
{
while (true)
{
var id = new RiakObjectId("chaos-monkey", key.ToString());
var obj = new RiakObject(id, Guid.NewGuid().ToString());
obj.ContentEncoding = RiakConstants.CharSets.Utf8;
obj.ContentType = RiakConstants.ContentTypes.TextPlain;
var rslt = client.Put(obj);
if (rslt.IsSuccess)
{
Console.WriteLine("[ChaosMonkeyApp] stored key: {0}", key);
}
else
{
Console.WriteLine("[ChaosMonkeyApp] error storing key {0}, {1}", key, rslt.ErrorMessage);
}
++key;
Thread.Sleep(storeDataInterval);
ct.ThrowIfCancellationRequested();
}
}
finally
{
Console.WriteLine("[ChaosMonkeyApp] store thread stopping");
}
}
public virtual string Save(TModel model)
{
var riakObjectId = new RiakObjectId(BucketName, model.ID);
RiakResult <RiakObject> result = client.Get(riakObjectId);
CheckResult(result, true);
RiakObject objToUpdate = null;
if (result.Value != null)
{
objToUpdate = result.Value;
if (objToUpdate.Siblings.Count > 0)
{
// Provide a better sibling resolution strategy here in production
objToUpdate = objToUpdate.Siblings[0];
}
objToUpdate.SetObject <TModel>(model);
}
else
{
objToUpdate = new RiakObject(riakObjectId, model);
}
result = client.Put(objToUpdate);
CheckResult(result);
RiakObject value = result.Value;
return(value.Key);
}
public virtual string Save(TModel model)
{
var riakObjectId = new RiakObjectId(BucketType, Bucket, model.ID);
var riakObject = new RiakObject(riakObjectId, model);
RiakResult <RiakObject> result = client.Put(riakObject);
CheckResult(result);
RiakObject value = result.Value;
return(value.Key);
}
private void button1_Click(object sender, EventArgs e)
{
//Cargar Datos
Console.WriteLine("Loading Data FormaPago");
List <FormaPagoVM> formaPagoVMs = db.FormaPago.Select(b => new FormaPagoVM {
Forma = b.Forma, comision = b.comision
}).ToList();
Console.WriteLine("Loading Data Precio");
List <PrecioVM> precioVMs = db.Precio.Select(a => new PrecioVM {
Tipo = a.Tipo, precio = a.precio1
}).ToList();
Console.WriteLine("Loading Data Cliente");
List <ClienteVM> clienteVMs = db.Cliente.Select(a => new ClienteVM {
DNI = a.DNI, Nombre = a.Nombre, Apellidos = a.Apellidos, Domicilio = a.Domicilio, Telefono = a.Telefono
}).ToList();
Console.WriteLine("Loading Data Habitacion");
List <HabitacionVM> habitacionVMs = db.Habitacion.Select(b => new HabitacionVM
{
Numero = b.Numero, bar = b.bar, puedesupletoria = b.puedesupletoria, superficie = b.superficie, terraza = b.terraza,
Tipo = new PrecioVM {
Tipo = b.Precio.Tipo, precio = b.Precio.precio1
}
}).ToList();
Console.WriteLine("Loading Data Factura");
List <FacturaVM> facturaVMs = db.Factura.Select(a =>
new FacturaVM
{
CodigoF = a.CodigoF,
Entrada = a.Entrada == null ? DateTime.MinValue : (DateTime)a.Entrada,
Salida = a.Salida == null ? DateTime.MinValue : (DateTime)a.Salida,
Cliente = new ClienteVM
{
DNI = a.Cliente.DNI,
Nombre = a.Cliente.Nombre,
Apellidos = a.Cliente.Apellidos,
Domicilio = a.Cliente.Domicilio,
Telefono = a.Cliente.Telefono
},
Numero = new HabitacionVM
{
Numero = a.Habitacion.Numero,
superficie = a.Habitacion.superficie,
bar = a.Habitacion.bar,
puedesupletoria = a.Habitacion.puedesupletoria,
terraza = a.Habitacion.terraza,
Tipo = new PrecioVM {
Tipo = a.Habitacion.Precio.Tipo, precio = a.Habitacion.Precio.precio1
}
},
Forma = new FormaPagoVM {
Forma = a.FormaPago.Forma, comision = a.FormaPago.comision
}
}).ToList();
Console.WriteLine("Loading Data Empleado");
List <EmpleadoVM> empleadoVMs = new List <EmpleadoVM>();
foreach (Empleado a in db.Empleado)
{
EmpleadoVM empleadoVM = new EmpleadoVM();
empleadoVM.NumReg = a.NumReg;
empleadoVM.Nombre = a.Nombre;
empleadoVM.Incorporacion = a.Incorporacion == null ? DateTime.MinValue : (DateTime)a.Incorporacion;
empleadoVM.Sueldo = a.Sueldo == null ? 0 : (int)a.Sueldo;
if (a.Servicio != null)
{
ServicioVM servicioVM = new ServicioVM();
servicioVM.CodS = a.Servicio.CodS;
servicioVM.Descripcion = a.Servicio.Descripcion.Trim();
servicioVM.costeinterno = a.Servicio.costeinterno == null ? 0 : (int)a.Servicio.costeinterno;
if (a.Servicio.Empleado1 != null)
{
EmpleadoVM empleadoVM1 = new EmpleadoVM();
empleadoVM1.NumReg = a.Servicio.Empleado1.NumReg;
empleadoVM1.Nombre = a.Servicio.Empleado1.Nombre;
empleadoVM1.Incorporacion = a.Servicio.Empleado1.Incorporacion == null ? DateTime.MinValue : (DateTime)a.Servicio.Empleado1.Incorporacion;
empleadoVM1.Sueldo = a.Servicio.Empleado1.Sueldo == null ? 0 : (int)a.Servicio.Empleado1.Sueldo;
servicioVM.NumReg = empleadoVM1;
}
empleadoVM.Servicio = servicioVM;
}
empleadoVMs.Add(empleadoVM);
}
foreach (FormaPagoVM itemFormaPagoVM in formaPagoVMs)
{
client.Put(ToRiakObject(itemFormaPagoVM));
}
foreach (PrecioVM itemPrecioVM in precioVMs)
{
client.Put(ToRiakObject(itemPrecioVM));
}
foreach (ClienteVM itemClienteVM in clienteVMs)
{
client.Put(ToRiakObject(itemClienteVM));
}
foreach (FacturaVM itemFacturaVM in facturaVMs)
{
client.Put(ToRiakObject(itemFacturaVM));
}
foreach (HabitacionVM itemHabitacionVM in habitacionVMs)
{
client.Put(ToRiakObject(itemHabitacionVM));
}
foreach (EmpleadoVM itemEmpleadoVM in empleadoVMs)
{
client.Put(ToRiakObject(itemEmpleadoVM));
}
}
public Task <IEnumerable <RiakResult <RiakObject> > > Put(IEnumerable <RiakObject> values, RiakPutOptions options)
{
return(Task.Factory.StartNew(() => _client.Put(values, options)));
}
private static void Run(IRiakClient client)
{
// is the server alive?
Console.WriteLine("Pinging the server ...");
var pingResult = client.Ping();
System.Diagnostics.Debug.Assert(pingResult.IsSuccess);
// here's how you'd go about setting the properties on a bucket
// (there are lots more than demoed here).
Console.WriteLine("Setting some bucket properties via REST ...");
var restProps = new RiakBucketProperties()
.SetAllowMultiple(true)
.SetWVal(3);
client.SetBucketProperties(Bucket, restProps);
// you'll notice that this is slow, because behind the scenes the client
// has detected properties that can't be set via the PBC interface
// so instead it has degraded to the REST api.
// here's a sample which uses just the PBC properties and hence runs a
// lot faster.
Console.WriteLine("Setting some bucket properties via PBC ...");
var pbcProps = new RiakBucketProperties()
.SetAllowMultiple(false);
client.SetBucketProperties(Bucket, pbcProps);
// we'll keep track of the keys we store as we create them
var keys = new List<string>();
// let's write some stuff to Riak, starting with a simple put
Console.WriteLine("Simple Put ...");
var simplePutData = CreateData(0);
var simplePutResponse = client.Put(simplePutData);
System.Diagnostics.Debug.Assert(simplePutResponse.IsSuccess);
keys.Add(simplePutData.Key);
// next write and pull out the resulting object at the same time,
// and specifying a different write quorum
var putWithBody = CreateData(1);
Console.WriteLine("Simple Put with custom quorum ...");
var putWithBodyResponse = client.Put(putWithBody, new RiakPutOptions { ReturnBody = true, W = 1 });
System.Diagnostics.Debug.Assert(putWithBodyResponse.IsSuccess);
System.Diagnostics.Debug.Assert(putWithBodyResponse.Value != null);
System.Diagnostics.Debug.Assert(putWithBodyResponse.Value.VectorClock != null);
keys.Add(putWithBody.Key);
// let's bang out a few more objects to do a bulk load
var objects = new List<RiakObject>();
for (var i = 1; i < 11; ++i)
{
var obj = CreateData(i);
objects.Add(obj);
keys.Add(obj.Key);
}
Console.WriteLine("Bulk insert ...");
var bulkInsertResults = client.Put(objects);
// verify that they all went in
foreach (var r in bulkInsertResults)
{
System.Diagnostics.Debug.Assert(r.IsSuccess);
}
// let's see if we can get out all the objects that we expect to retrieve
// starting with a simple get:
Console.WriteLine("Simple Get ...");
var simpleGetResult = client.Get(Bucket, keys[0]);
System.Diagnostics.Debug.Assert(simpleGetResult.IsSuccess);
System.Diagnostics.Debug.Assert(simpleGetResult.Value != null);
// let's do a bulk get of all the objects we've written so far, again
// mucking with the quorum value
var objectIds = keys.Select(k => new RiakObjectId(Bucket, k));
Console.WriteLine("Bulk Get ...");
var bulkGetResults = client.Get(objectIds, 1);
// verify that we got everything
foreach (var r in bulkGetResults)
{
System.Diagnostics.Debug.Assert(r.IsSuccess);
System.Diagnostics.Debug.Assert(r.Value != null);
}
// let's try a map/reduce function, with javascript, to count the
// number of objects in the bucket
var sumMapRed = new RiakMapReduceQuery()
.Inputs(Bucket)
.MapJs(m => m.Source(@"function(o) {return [ 1 ];}"))
.ReduceJs(r => r.Name(@"Riak.reduceSum").Keep(true));
// execute this query with blocking IO, waiting for all the results to come
// back before we process them
Console.WriteLine("Blocking map/reduce query ...");
var blockingMRResult = client.MapReduce(sumMapRed);
System.Diagnostics.Debug.Assert(blockingMRResult.IsSuccess);
// next, pull out the phase we're interested in to get the result we want
var reducePhaseResult = blockingMRResult.Value.PhaseResults.Last().GetObjects<int[]>().SelectMany(p => p).ToArray();
System.Diagnostics.Debug.Assert(reducePhaseResult[0] == 12);
// now let's do the same thing, but with the blocking version that streams
// the results back per phase, rather than waiting for all the reults to
// be calculated first
Console.WriteLine("Blocking streaming map/reduce query ...");
var streamingMRResult = client.StreamMapReduce(sumMapRed);
System.Diagnostics.Debug.Assert(streamingMRResult.IsSuccess);
foreach (var result in streamingMRResult.Value.PhaseResults)
{
if (result.Phase == 1)
{
var json = JArray.Parse(result.Values[0].FromRiakString());
System.Diagnostics.Debug.Assert(json[0].Value<int>() == 12);
}
}
// each of the above methods have an async equivalent that has an extra
// parameter to pass in which is an Action that takes the result. This
// is executed on the worker thread that the work is done on. For the
// sake of this example, we'll only demonstrate how to do this with
// streaming map/reduce as applying the principle to the other functions
// is a simple thing to do. All the async methods are exposed via the
// 'Async' property.
// create an event to wait on while the results are being processed
// (usually you wouldn't worry about this in a Ui app, you'd just take
// the result of the other thread and dispatch it to the UI when processed)
var autoResetEvent = new AutoResetEvent(false);
Console.WriteLine("Starting async streaming map/reduce query ...");
client.Async.StreamMapReduce(sumMapRed, result => HandleStreamingMapReduce(result, autoResetEvent));
Console.WriteLine("Waiting for async streaming map/reduce query result ...");
autoResetEvent.WaitOne();
// finally delete the bucket (this can also be done asynchronously)
// this calls ListKeys behind the scenes, so it's a very slow process. Riak
// doesn't currently have the ability to quickly delete a bucket.
Console.WriteLine("Deleting the whole test bucket ...");
client.DeleteBucket(Bucket);
Console.WriteLine("Sample app complete!");
}
public void Put(IEnumerable <RiakObject> values, Action <IEnumerable <RiakResult <RiakObject> > > callback, RiakPutOptions options)
{
ExecAsync(() => callback(_client.Put(values, options)));
}
static void Main(string[] args)
{
const string bucket = "test";
try
{
using (IRiakEndPoint endpoint = RiakCluster.FromConfig("riakConfig"))
{
IRiakClient client = endpoint.CreateClient();
// Creating Objects In Riak
Console.WriteLine("Creating Objects In Riak...");
int val1 = 1;
var objectId1 = new RiakObjectId(bucket, "one");
var riakObject1 = new RiakObject(objectId1, val1);
var result = client.Put(riakObject1);
CheckResult(result);
string val2 = "two";
var objectId2 = new RiakObjectId(bucket, "two");
var riakObject2 = new RiakObject(objectId2, val2);
result = client.Put(riakObject2);
CheckResult(result);
var val3 = new Dictionary <string, int>
{
{ "myValue1", 3 },
{ "myValue2", 4 }
};
var objectId3 = new RiakObjectId(bucket, "three");
var riakObject3 = new RiakObject(objectId3, val3);
result = client.Put(riakObject3);
CheckResult(result);
// Fetching Objects From Riak
Console.WriteLine("Reading Objects From Riak...");
var fetchResult1 = client.Get(objectId1);
CheckResult(fetchResult1);
RiakObject fetchObject1 = fetchResult1.Value;
int fetchVal1 = fetchObject1.GetObject <int>();
Debug.Assert(val1 == fetchVal1, "Assert Failed", "val1 {0} != fetchVal1 {1}", val1, fetchVal1);
var fetchResult2 = client.Get(objectId2);
CheckResult(fetchResult2);
RiakObject fetchObject2 = fetchResult2.Value;
string fetchVal2 = fetchObject2.GetObject <string>();
Debug.Assert(val2 == fetchVal2, "Assert Failed", "val2 {0} != fetchVal2 {1}", val2, fetchVal2);
var fetchResult3 = client.Get(objectId3);
CheckResult(fetchResult3);
RiakObject fetchObject3 = fetchResult3.Value;
var fetchVal3 = fetchObject3.GetObject <Dictionary <string, int> >();
Debug.Assert(dictEqualityComparer.Equals(val3, fetchVal3), "Assert Failed", "val3 {0} != fetchVal3 {1}", val3, fetchVal3);
// Updating Objects In Riak
Console.WriteLine("Updating Objects In Riak");
fetchVal3["myValue1"] = 42;
var updateObject1 = new RiakObject(bucket, "three", fetchVal3);
var updateResult1 = client.Put(updateObject1);
CheckResult(updateResult1);
var fetchResult4 = client.Get(objectId3);
CheckResult(fetchResult4);
RiakObject fetchObject4 = fetchResult4.Value;
var fetchVal4 = fetchObject4.GetObject <Dictionary <string, int> >();
Debug.Assert(false == dictEqualityComparer.Equals(val3, fetchVal4), "Assert Failed", "val3 {0} == fetchVal4 {1}", val3, fetchVal4);
Debug.Assert(fetchVal4["myValue1"] == 42, "Assert Failed", "myValue1 should have been 42");
// Deleting Objects From Riak
Console.WriteLine("Deleting Objects From Riak...");
RiakResult delResult1 = client.Delete(objectId1);
CheckResult(delResult1);
RiakResult delResult2 = client.Delete(objectId2);
CheckResult(delResult2);
RiakResult delResult3 = client.Delete(objectId3);
CheckResult(delResult3);
// Working With Complex Objects
Console.WriteLine("Working With Complex Objects...");
var book = new Book();
book.ISBN = "1111979723";
book.Title = "Moby Dick";
book.Author = "Herman Melville";
book.Body = "Call me Ishmael. Some years ago...";
book.CopiesOwned = 3;
var bookId = new RiakObjectId("books", book.ISBN);
var bookObject = new RiakObject(bookId, book);
var bookPutResult = client.Put(bookObject);
CheckResult(bookPutResult);
var fetchBookResult = client.Get(bookId);
CheckResult(fetchBookResult);
RiakObject fetchedBookObject = fetchBookResult.Value;
string bookJson = Encoding.UTF8.GetString(fetchedBookObject.Value);
Console.WriteLine("Serialized Object: {0}", bookJson);
var bookDeleteResult = client.Delete(bookId);
CheckResult(bookDeleteResult);
}
}
catch (Exception e)
{
Console.Error.WriteLine("Exception: {0}", e.Message);
}
}
