private void Run(Action <BenchmarkIteration, ObjectDB <IFlatbufferObject>, IFlatbufferObject> action, int dataIndex, int dataSize)
{
var data = InputData[dataIndex];
var factories = new List <Func <ByteBuffer, IFlatbufferObject> > {
(bb) => Data_8b.GetRootAsData_8b(bb),
(bb) => Data_128b.GetRootAsData_128b(bb),
(bb) => Data_1KB.GetRootAsData_1KB(bb),
(bb) => Data_1MB.GetRootAsData_1MB(bb),
};
var nRecords = dataSize;
var buffer = 100_000;
using (var db = new ObjectDB <IFlatbufferObject>(FileStorageEngineFactory.Create("benchmark", SIZE_15GB, nRecords + buffer), new FlatBufferSerializer(factories)))
{
// set up data
for (int i = 0; i < nRecords; i++)
{
db.Insert(data);
if (i % 10000 == 0 && i > 0)
{
Console.WriteLine(i);
}
}
// run benchmark
foreach (BenchmarkIteration iter in Benchmark.Iterations)
{
action(iter, db, data);
}
}
}
static void Main(string[] args)
{
Guid guid;
// create a database
var pathToDataDir = "db-data";
var fileStorageEngine = FileStorageEngineFactory.Create(pathToDataDir, SIZE_1G, MAX_ENTRIES);
using (var db = new ObjectDB <object>(fileStorageEngine, new BinaryFormatterSerializer()))
{
// create
var data = new MyData(1, "hello world");
Console.WriteLine("inserting object: " + data);
guid = db.Insert(data);
Console.WriteLine("GUID of inserted object={0}", guid);
// read
data = db.Read <MyData>(guid);
Console.WriteLine("read object: {0}", data);
// update
data.Text = "very interesting text";
Console.WriteLine("updating object: {0}", data);
db.Update(guid, data);
}
// re-open existing databse
using (var db = new ObjectDB <object>(FileStorageEngineFactory.Open(pathToDataDir), new BinaryFormatterSerializer()))
{
// read after re-opening the db
var data = db.Read <MyData>(guid);
Console.WriteLine("object after re-opening the DB: {0}", data);
// delete
Console.WriteLine("deleting object");
db.Delete(guid);
// RecordNotFoundException after deletion
try
{
db.Read <MyData>(guid);
}
catch (RecordNotFoundException)
{
Console.WriteLine("object was deleted");
}
}
}
private ObjectDB <object> OpenDB(string name)
{
return(new ObjectDB <object>(FileStorageEngineFactory.Open("dbs/" + name), new BinaryFormatterSerializer()));
}
private ObjectDB <object> NewDB(string name)
{
return(new ObjectDB <object>(FileStorageEngineFactory.Create("dbs/" + name, SIZE_1G, 64), new BinaryFormatterSerializer()));
}