|
public getRow ( byte tableName, byte row ) : List |
||
| tableName | byte | |
| row | byte | |
| Результат | List |
|
/// <summary>
/// 读取单行
/// </summary>
public static void getattachmentSingle()
{
// TTransport transport = null;
try
{
tablename = table2name;
//打开连接
transport.Open();
string rowkey = "k1";
//根据表名，RowKey名来获取结果集
List <TRowResult> reslut = client.getRow(Encoding.UTF8.GetBytes(tablename), Encoding.UTF8.GetBytes(rowkey), null);
//遍历结果集
foreach (var key in reslut)
{
Console.WriteLine("RowKey:\n{0}", Encoding.UTF8.GetString(key.Row));
//打印Qualifier和对应的Value
foreach (var k in key.Columns)
{
Console.WriteLine("******************" + "\n" + Encoding.UTF8.GetString(k.Key));
Console.WriteLine("Value:" + Encoding.UTF8.GetString(k.Value.Value));
}
}
}
catch (Exception e)
{
System.Console.WriteLine(e);
}
finally
{
if (null != transport)
{
transport.Close();
}
}
}
public void GetHBaseImage(string rowKey = "20150822180801118")
{
var socket = new TSocket(hbaseThrif, hbaseThrifPort);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hbaseClient = new Hbase.Client(protocol);
transport.Open();
//List<byte[]> tableNames = hc.getTableNames();
byte[] table = Encoding.UTF8.GetBytes("FiservImages");
byte[] row = Encoding.UTF8.GetBytes(rowKey);
byte[] column = Encoding.UTF8.GetBytes("ImageData:Image");
List<TRowResult> results = hbaseClient.getRow(table, row, null);
TCell t = new TCell();
//t.
foreach (TRowResult result in results)
{
//result.Columns[column]
//result.Columns;
Dictionary<byte[], TCell> konj;
konj = result.Columns;
//string s = Encoding.UTF8.GetString(result.Columns[column].Value);
foreach (KeyValuePair<byte[], TCell> singleRow in konj)
{
//File.WriteAllBytes(@"c:\test\output.docx", singleRow.Value.Value);
OpenFile(singleRow.Value.Value, "output.docx");
}
}
}
/// <summary>
/// 读取Hbase数据
/// </summary>
/// <param name="tempList"></param>
/// <param name="IPAddress"></param>
/// <param name="Port"></param>
/// <param name="strTableName"></param>
/// <returns></returns>
public static Dictionary <string, string> ReadKeyHbaseData(List <string> tempList, string IPAddress, int Port,
string strTableName)
{
Dictionary <string, string> dis = new Dictionary <string, string>();
try
{
int count = 0;
if (transport == null)
{
transport = new TSocket(IPAddress, Port);
}
//实例化一个协议对象
TProtocol tProtocol = new TBinaryProtocol(transport);
//实例化一个Hbase的Client对象
var client = new Hbase.Client(tProtocol);
//打开连接
transport.Open();
foreach (var temp in tempList)
{
//根据表名，RowKey名来获取结果集
var reslut = client.getRow(Encoding.UTF8.GetBytes(strTableName),
Encoding.UTF8.GetBytes(temp), null);
foreach (var keys in reslut)
{
foreach (var k in keys.Columns)
{
if (dis.ContainsKey(Encoding.UTF8.GetString(keys.Row)))
{
continue;
}
dis.Add(Encoding.UTF8.GetString(keys.Row), Encoding.UTF8.GetString(k.Value.Value));
++count;
//LoggerManager.Create().InfoWrite(string.Format("已下载{0}条记录", ++count));
if (count % 1000 != 0)
{
continue;
}
LoggerManager.Create().InfoWrite(string.Format("已下载指定RowKey{0}条", count));
}
}
}
LoggerManager.Create().InfoWrite(string.Format("Hbases下载指定数据成功，共下载数据{0}条", count));
}
catch (Exception ex)
{
LoggerManager.Create().ErrorWrite(string.Format("Hbase读取指定数据失败，错误信息：{0}", ex.Message));
}
finally
{
if (transport != null)
{
transport.Close();
}
}
return(dis);
}
public Dictionary <byte[], TCell> GetHBaseImage()
{
var socket = new TSocket(_hbaseThrif, _hbaseThrifPort);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hbaseClient = new Hbase.Client(protocol);
Dictionary <byte[], TCell> hbaseResult = new Dictionary <byte[], TCell>();
transport.Open();
//List<byte[]> tableNames = hc.getTableNames();
byte[] table = Encoding.UTF8.GetBytes("FiservImages");
byte[] row = Encoding.UTF8.GetBytes(_documentId);
byte[] column = Encoding.UTF8.GetBytes("ImageData:Image");
List <TRowResult> results = hbaseClient.getRow(table, row, null);
TCell t = new TCell();
//t.
foreach (TRowResult result in results)
{
//result.Columns[column]
//result.Columns;
hbaseResult = result.Columns;
//string s = Encoding.UTF8.GetString(result.Columns[column].Value);
//foreach (KeyValuePair<byte[], TCell> singleRow in konj)
//{
// //File.WriteAllBytes(@"c:\test\output.docx", singleRow.Value.Value);
// Main a = new Main();
// a.OpenFile(singleRow.Value.Value, "output.docx");
//}
}
return(hbaseResult);
}
public Dictionary<byte[], TCell> GetHBaseImage()
{
var socket = new TSocket(_hbaseThrif, _hbaseThrifPort);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hbaseClient = new Hbase.Client(protocol);
Dictionary<byte[], TCell> hbaseResult = new Dictionary<byte[], TCell>();
transport.Open();
//List<byte[]> tableNames = hc.getTableNames();
byte[] table = Encoding.UTF8.GetBytes("FiservImages");
byte[] row = Encoding.UTF8.GetBytes(_documentId);
byte[] column = Encoding.UTF8.GetBytes("ImageData:Image");
List<TRowResult> results = hbaseClient.getRow(table, row, null);
TCell t = new TCell();
//t.
foreach (TRowResult result in results)
{
//result.Columns[column]
//result.Columns;
hbaseResult = result.Columns;
//string s = Encoding.UTF8.GetString(result.Columns[column].Value);
//foreach (KeyValuePair<byte[], TCell> singleRow in konj)
//{
// //File.WriteAllBytes(@"c:\test\output.docx", singleRow.Value.Value);
// Main a = new Main();
// a.OpenFile(singleRow.Value.Value, "output.docx");
//}
}
return hbaseResult;
}
public void GetHBaseImage(string rowKey = "20150822180801118")
{
var socket = new TSocket(hbaseThrif, hbaseThrifPort);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hbaseClient = new Hbase.Client(protocol);
transport.Open();
//List<byte[]> tableNames = hc.getTableNames();
byte[] table = Encoding.UTF8.GetBytes("FiservImages");
byte[] row = Encoding.UTF8.GetBytes(rowKey);
byte[] column = Encoding.UTF8.GetBytes("ImageData:Image");
List <TRowResult> results = hbaseClient.getRow(table, row, null);
TCell t = new TCell();
//t.
foreach (TRowResult result in results)
{
//result.Columns[column]
//result.Columns;
Dictionary <byte[], TCell> konj;
konj = result.Columns;
//string s = Encoding.UTF8.GetString(result.Columns[column].Value);
foreach (KeyValuePair <byte[], TCell> singleRow in konj)
{
//File.WriteAllBytes(@"c:\test\output.docx", singleRow.Value.Value);
OpenFile(singleRow.Value.Value, "output.docx");
}
}
}
/// <summary>
/// 获取数据,列表行
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button5_Click1(object sender, EventArgs e)
{
string table = "abc";
string key = "aaaK";
TTransport transport = null;
try
{
//192.168.2.111:60010
//实例化Socket连接
transport = new TSocket("192.168.2.111", 9090);
//实例化一个协议对象
TProtocol tProtocol = new TBinaryProtocol(transport);
//实例化一个Hbase的Client对象
var client = new Hbase.Client(tProtocol);
//打开连接
transport.Open();
//遍历结果集
List <string> sss = new List <string>();
foreach (var item in System.Linq.Enumerable.Range(1, 10))
{
string skey = (key + "_" + item);
string scol = ("你好中文:" + item);
string svla = (Guid.NewGuid().ToString());
///////////////删除单元格数据
byte[] tableName = table.ToUTF8Bytes();
byte[] row = skey.ToUTF8Bytes();
Dictionary <byte[], byte[]> encodedAttributes = new Dictionary <byte[], byte[]>();
//获取表名:
foreach (var itema in client.getTableNames())
{
var strs = System.Text.ASCIIEncoding.ASCII.GetString(itema);
sss.Add("表名:" + strs);
//根据表名，RowKey名来获取结果集
List <TRowResult> reslut = client.getRow(Encoding.UTF8.GetBytes(strs), Encoding.UTF8.GetBytes(skey), null);
foreach (var keys in reslut)
{
sss.Add(string.Format(" RowKey:\n{0}", Encoding.UTF8.GetString(keys.Row)));
//打印Qualifier和对应的Value
foreach (var k in keys.Columns)
{
sss.Add(string.Format(" Family:Qualifier:" + "\n" + Encoding.UTF8.GetString(k.Key)));
sss.Add(string.Format(" Value:" + Encoding.UTF8.GetString(k.Value.Value)));
}
}
}
}
GridView1.DataSource = sss;
GridView1.DataBind();
}
finally
{
if (transport != null)
{
transport.Close();
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
TTransport transport = null;
try
{
//192.168.2.111:60010
//实例化Socket连接
transport = new TSocket("192.168.2.111", 9090);
//实例化一个协议对象
TProtocol tProtocol = new TBinaryProtocol(transport);
//实例化一个Hbase的Client对象
var client = new Hbase.Client(tProtocol);
//打开连接
transport.Open();
//判断 表是不是存在
if (!client.getTableNames().Select(p => p.ToUTF8String()).Contains("abc"))
{
//创建数据表
client.createTable("abc".ToUTF8Bytes(), new List <ColumnDescriptor>()
{
new ColumnDescriptor()
{
Name = "你好中文".ToUTF8Bytes(), BloomFilterVectorSize = 30,
},
new ColumnDescriptor()
{
Name = "aa".ToUTF8Bytes(), BloomFilterVectorSize = 30,
}
});
}
//向表里加数据
#region 向表里加数据
//代码错误.不会用
//client.m("abc".ToUTF8Bytes(), new List<BatchMutation>() {
// new BatchMutation() { Mutations= new List<Mutation>() {
// new Mutation() { Column="你好中文".ToUTF8Bytes(), Value="我是,".ToUTF8Bytes() },
// new Mutation() { Column="aa".ToUTF8Bytes(), Value="我是,111".ToUTF8Bytes() },
// new Mutation() { Column="你好中文".ToUTF8Bytes(), Value="我是,Habse".ToUTF8Bytes() },
// }
// , Row = "aaaa_1".ToUTF8Bytes(),
// }
//}, new Dictionary<byte[], byte[]>());
client.mutateRow("abc".ToUTF8Bytes(), "aaaa_1".ToUTF8Bytes(), new List <Mutation>()
{
new Mutation()
{
Column = "你好中文:11".ToUTF8Bytes(), Value = "abcdef".ToUTF8Bytes()
}
}, new Dictionary <byte[], byte[]>());
#endregion
//遍历结果集
List <string> sss = new List <string>();
//获取表名:
foreach (var item in client.getTableNames())
{
var strs = System.Text.ASCIIEncoding.ASCII.GetString(item);
sss.Add("表名:" + strs);
//根据表名，RowKey名来获取结果集
List <TRowResult> reslut = client.getRow(Encoding.UTF8.GetBytes(strs), Encoding.UTF8.GetBytes("aaaa_1"), null);
foreach (var key in reslut)
{
sss.Add(string.Format(" RowKey:\n{0}", Encoding.UTF8.GetString(key.Row)));
//打印Qualifier和对应的Value
foreach (var k in key.Columns)
{
sss.Add(string.Format(" Family:Qualifier:" + "\n" + Encoding.UTF8.GetString(k.Key)));
sss.Add(string.Format(" Value:" + Encoding.UTF8.GetString(k.Value.Value)));
}
}
}
GridView1.DataSource = sss;
GridView1.DataBind();
}
catch (Exception exxx)
{
Response.Write(exxx);
}
finally
{
if (null != transport)
{
transport.Close();
}
}
}