public PerformanceChecksManager(IHBaseClient hBaseClient,string tableName, ItemMapper itemMapper, ItemsGenerator itemsGenerator, int numOfThreads, int requestsPerThread)
{
_hBaseClient = hBaseClient;
_tableName = tableName;
_itemMapper = itemMapper;
_itemsGenerator = itemsGenerator;
_numOfThreads = numOfThreads;
_requestsPerThread = requestsPerThread;
_exceptions = new ConcurrentBag<string>();
}
private static void Main(string[] args)
{
const string clusterURL = "http://localhost:5555";
const string hadoopUsername = "******";
const string hadoopUserPassword = "******";
var serializer = new JsonDotNetSerializer();
// Create a new instance of an HBase client.
var hbaseClient = new HBaseClient(new ClusterCredentials(new Uri(clusterURL), hadoopUsername, hadoopUserPassword));
var itemMapper = new ItemMapper(serializer);
hbaseClient.DeleteTable("Items");
var tableSchema = itemMapper.CreateTableSchema("Items");
hbaseClient.CreateTable(tableSchema);
//var perfCheck = new PerformanceChecksManager(hbaseClient, "Items", itemMapper, new ItemsGenerator(),50,100);
//perfCheck.RunPerformanceLoad();
//Generating item.
var itemsGenerator = new ItemsGenerator();
var item = itemsGenerator.CreateItem("mycode");
//Generating cells relevant to the generate item and saving the entity to Hbae.
var itemCellSet = itemMapper.GetCells(item, "en-US");
var stausCell = itemCellSet.rows.Single().values.Single(cell => Encoding.UTF8.GetString(cell.column).Equals("CF1:Status"));
stausCell.data = new byte[0];
hbaseClient.StoreCells("Items", itemCellSet);
//making sure item stored well.
var originalItemCells = hbaseClient.GetCells("Items", item.Code);
var originalItemFetchedFromDb = itemMapper.GetDto(originalItemCells, "en-US");
if (!string.IsNullOrEmpty(originalItemFetchedFromDb.Status))
throw new Exception();
//Describing the conditional update expression.
var cellToCheck = new Cell { column = Encoding.UTF8.GetBytes("CF1:Status"), data = new byte[0] };
//manipulating original item.
stausCell = itemCellSet.rows.Single().values.Single(cell => Encoding.UTF8.GetString(cell.column).Equals("CF1:Status"));
var newStatusValue = Encoding.UTF8.GetBytes("new");
stausCell.data = newStatusValue;
//Testing new functionality...
hbaseClient.CheckAndPutCells("Items", itemCellSet, cellToCheck);
//Thread.Sleep(1);
itemCellSet = hbaseClient.GetCells("Items", item.Code);
var itemFromDb = itemMapper.GetDto(itemCellSet, "en-US");
if (!itemFromDb.Status.Equals(Encoding.UTF8.GetString(newStatusValue)))
throw new Exception();
#region Old-Helper
//string clusterURL = "http://localhost:5555";
//string hadoopUsername = "******";
//string hadoopUserPassword = "******";
//string hbaseTableName = "MyCoolTable";
//// Create a new instance of an HBase client.
//ClusterCredentials creds = new ClusterCredentials(new Uri(clusterURL), hadoopUsername, hadoopUserPassword);
//HBaseClient hbaseClient = new HBaseClient(creds);
//var hbaseHelper = new Helper(hbaseClient, "ThisIsJustATableForShirly1", "DummyKey1ForShirly1");
//hbaseHelper.CreateTable();
//var myClass = new Dto()
//{
// Field1 = "1",
// Field2 = "2",
// Field3 = "3",
// Field4 = "4",
// Field5 = "5",
// NestedData = new NestedDto() { Field1 = "n1", Field2 = "n2" }
//};
//hbaseHelper.SaveMyDto(myClass);
//var dto = hbaseHelper.GetMyDto();
#endregion
}
