/// <inheritdoc />
public async Task Add(string tableName, IEnumerable <HBaseRow> rows)
{
if (tableName == null)
{
throw new ArgumentNullException(nameof(tableName));
}
if (rows == null)
{
throw new ArgumentNullException(nameof(rows));
}
var wrapper = new HBaseRowWrapper {
Rows = rows.ToList()
};
var json = HBaseSerializationHelper.SerializeObject(wrapper);
var url = $"{tableName}/row_key";
var content = HttpRequestContentFactory.CreateJsonContent(json);
HttpResponseMessage response;
using (var httpClient = CreateHttpClient())
{
response = await httpClient.PutAsync(url, content);
}
if (!response.IsSuccessStatusCode)
{
throw new HBaseException("HBase REST API 返回了表示错误的 HTTP 状态码：" + response.StatusCode);
}
}
/// <inheritdoc />
public async Task <IHBaseScanner> OpenScanner(string tableName, HBaseScannerCreationOptions options = null)
{
if (tableName == null)
{
throw new ArgumentNullException(nameof(tableName));
}
// 构造请求负载
var contentJson = string.Empty;
if (options != null)
{
contentJson = HBaseSerializationHelper.SerializeObject(options);
}
// 发送 HTTP 请求
var url = $"{tableName}/scanner";
var content = HttpRequestContentFactory.CreateJsonContent(contentJson);
HttpResponseMessage response;
using (var httpClient = CreateHttpClient())
{
response = await httpClient.PutAsync(url, content);
}
if (!response.IsSuccessStatusCode)
{
throw new HBaseException("HBase REST API 返回了表示错误的 HTTP 状态码：" + response.StatusCode);
}
// 从响应的 Location 头部拿到 Scanner 的接入点
if (!response.Headers.TryGetValues("Location", out var scannerEndpoints))
{
throw new HBaseException("HBase REST API 没有返回任何有效的 Scanner 终结点。");
}
var scannerEpt = scannerEndpoints.FirstOrDefault();
if (scannerEpt == null)
{
throw new HBaseException("HBase REST API 没有返回任何有效的 Scanner 终结点。");
}
return(new DefaultHBaseScanner(scannerEpt, _httpClientFactory));
}
