public void TestGetVersion()
{
var client = CreateClient();
org.apache.hadoop.hbase.rest.protobuf.generated.Version version = client.GetVersionAsync().Result;
Trace.WriteLine(version);
version.jvmVersion.ShouldNotBeNullOrEmpty();
version.jerseyVersion.ShouldNotBeNullOrEmpty();
version.osVersion.ShouldNotBeNullOrEmpty();
version.restVersion.ShouldNotBeNullOrEmpty();
}
public void TestGetVersion()
{
var client = new HBaseClient(_credentials);
org.apache.hadoop.hbase.rest.protobuf.generated.Version version = client.GetVersion();
Trace.WriteLine(version);
version.jvmVersion.ShouldNotBeNullOrEmpty();
version.jerseyVersion.ShouldNotBeNullOrEmpty();
version.osVersion.ShouldNotBeNullOrEmpty();
version.restVersion.ShouldNotBeNullOrEmpty();
}
static async Task MainAsync(string[] args)
{
try
{
string clusterURL = "https://myClusterName.azurehdinsight.net";
string hadoopUsername = "******";
string hadoopUserPassword = "******";
string hbaseTableName = "sampleHbaseTable";
// Create a new instance of an HBase client.
ClusterCredentials creds = new ClusterCredentials(new Uri(clusterURL), hadoopUsername, hadoopUserPassword);
HBaseClient hbaseClient = new HBaseClient(creds);
// Retrieve the cluster version.
org.apache.hadoop.hbase.rest.protobuf.generated.Version version = await hbaseClient.GetVersionAsync();
Console.WriteLine("The HBase cluster version is " + version);
// Create a new HBase table.
TableSchema testTableSchema = new TableSchema();
testTableSchema.name = hbaseTableName;
testTableSchema.columns.Add(new ColumnSchema()
{
name = "d"
});
testTableSchema.columns.Add(new ColumnSchema()
{
name = "f"
});
hbaseClient.CreateTableAsync(testTableSchema).Wait();
// Insert data into the HBase table.
string testKey = "content";
string testValue = "the force is strong in this column";
CellSet cellSet = new CellSet();
CellSet.Row cellSetRow = new CellSet.Row {
key = Encoding.UTF8.GetBytes(testKey)
};
cellSet.rows.Add(cellSetRow);
Cell value = new Cell {
column = Encoding.UTF8.GetBytes("d:starwars"), data = Encoding.UTF8.GetBytes(testValue)
};
cellSetRow.values.Add(value);
hbaseClient.StoreCellsAsync(hbaseTableName, cellSet).Wait();
// Retrieve a cell by its key.
cellSet = await hbaseClient.GetCellsAsync(hbaseTableName, testKey);
Console.WriteLine("The data with the key '" + testKey + "' is: " + Encoding.UTF8.GetString(cellSet.rows[0].values[0].data));
// with the previous insert, it should yield: "the force is strong in this column"
//Scan over rows in a table. Assume the table has integer keys and you want data between keys 25 and 35.
Scanner scanSettings = new Scanner()
{
batch = 10,
startRow = BitConverter.GetBytes(25),
endRow = BitConverter.GetBytes(35)
};
ScannerInformation scannerInfo = await hbaseClient.CreateScannerAsync(hbaseTableName, scanSettings, null);
CellSet next = null;
Console.WriteLine("Scan results");
while ((next = await hbaseClient.ScannerGetNextAsync(scannerInfo, null)) != null)
{
foreach (CellSet.Row row in next.rows)
{
Console.WriteLine(row.key + " : " + Encoding.UTF8.GetString(row.values[0].data));
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Console.WriteLine("Press ENTER to continue ...");
Console.ReadLine();
}