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public mutateRow ( byte tableName, byte row, List |
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| tableName | byte | |
| row | byte | |
| mutations | List |
|
| return | void | |
protected void HBaseMutateImage(string rowKey, byte[] image)
{
var socket = new TSocket("172.24.2.144", 9090);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hc = 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 <Mutation> mutation = new List <Mutation>();
Mutation m = new Mutation();
m.Column = column;
m.Value = image;
m.IsDelete = false;
m.WriteToWAL = true;
mutation.Add(m);
hc.mutateRow(table, row, mutation, null);
}
/// <summary>
/// 删除单元数据,封装方法
/// </summary>
/// <param name="table"></param>
/// <param name="rowKey"></param>
/// <param name="writeToWal"></param>
/// <param name="columns"></param>
/// <param name="attributes"></param>
/// <param name="client"></param>
public void DeleteCells(string table, string rowKey, bool writeToWal, List <string> columns, Dictionary <string, string> attributes, Hbase.Client client)
{
byte[] tableName = table.ToUTF8Bytes();
byte[] row = rowKey.ToUTF8Bytes();
Dictionary <byte[], byte[]> encodedAttributes = new Dictionary <byte[], byte[]>();
if (attributes != null)
{
foreach (var item in attributes)
{
encodedAttributes.Add(item.Key.ToUTF8Bytes(), item.Value.ToUTF8Bytes());
}
}
List <Mutation> mutations = new List <Mutation>();
foreach (string column in columns)
{
Mutation mutation = new Mutation();
mutation.IsDelete = true;
mutation.WriteToWAL = writeToWal;
mutation.Column = column.ToUTF8Bytes();
mutations.Add(mutation);
}
client.mutateRow(tableName, row, mutations, encodedAttributes);
}
/// <summary>
/// 数据库表名,及指定key的示例
/// </summary>
/// <param name="tabname"></param>
/// <param name="key"></param>
public void 当前创建表示例(string tabname, Hbase.Client client)
{
string key = "示例数据_Key";
var list = new List <Mutation>();
foreach (var item in txt列名集合.Text.Split(','))
{
//创建列
if (!string.IsNullOrEmpty(item))
{
string coln = item;
if (!coln.Contains(":"))
{
coln = item + ":" + "示例";
}
var col = new Mutation()
{
Column = coln.ToUTF8Bytes(), Value = ("abcdef" + item).ToUTF8Bytes()
};
list.Add(col);
}
}
client.mutateRow(tabname.ToUTF8Bytes(), key.ToUTF8Bytes(), list, new Dictionary <byte[], byte[]>());
//显示示例数据
显示示例数据(tabname, key, client);
}
static void Main(string[] args)
{
// Connection
var socket = new TSocket("hdp1.localdomain", 9090);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hba = new Hbase.Client(protocol);
transport.Open();
// Get table names
Console.WriteLine("<-GET LIST OF TABLES->");
var tableNames = hba.getTableNames();
foreach (var tableName in tableNames)
{
Console.WriteLine(Encoding.UTF8.GetString(tableName, 0, tableName.Length));
}
// Insert rows
Console.WriteLine("<-INSERT->");
Mutation _mutation = new Mutation();
_mutation.IsDelete = false;
_mutation.Column = Encoding.UTF8.GetBytes("image:bodyimage");
_mutation.Value = Encoding.UTF8.GetBytes("newnew image 2.jpg");
hba.mutateRow(Encoding.UTF8.GetBytes("blogposts"), Encoding.UTF8.GetBytes("post1"), new List <Mutation> {
_mutation
}, null);
// Finished
Console.WriteLine("<-FINISHED->");
Console.ReadKey();
}
/// <summary>
/// 删除单元格数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button5_Click(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();
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[]>();
client.mutateRow(tableName, row, new List <Mutation>()
{
new Mutation()
{
IsDelete = true, Column = scol.ToUTF8Bytes()
}
}, encodedAttributes);
Response.Write(string.Format("删除单元格数据:{0},数据{{ RowKey:{1},列:{2} }}<br/>", table, skey, scol));
}
}
finally
{
if (transport != null)
{
transport.Close();
}
}
}
/// <summary>
/// 添加数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button3_Click(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();
foreach (var item in System.Linq.Enumerable.Range(1, 10))
{
string skey = (key + "_" + item);
string scol = ("你好中文:" + item);
string scol2 = ("你好中文:单元格2" + item);
string svla = (Guid.NewGuid().ToString());
client.mutateRow("abc".ToUTF8Bytes(), skey.ToUTF8Bytes(), new List <Mutation>()
{
new Mutation()
{
Column = scol.ToUTF8Bytes(), Value = svla.ToUTF8Bytes()
},
new Mutation()
{
Column = scol2.ToUTF8Bytes(), Value = svla.ToUTF8Bytes()
}
}, new Dictionary <byte[], byte[]>());
Response.Write(string.Format("添加tab:{0},数据{{ RowKey:{1} ,列{2},数据{3},列{4},数据{5} }}<br/>", table, skey, scol, svla, scol2, svla));
}
}
finally
{
if (transport != null)
{
transport.Close();
}
}
}
/// <summary>
/// 一次加入多行数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void 一次加入多行数据_Click(object sender, EventArgs e)
{
//请在步骤2输入表名
if (string.IsNullOrEmpty(txt表名.Text))
{
lab添加数据状态.Text = "请在步骤2输入表名";
return;
}
string table = txt表名.Text;
byte[] tableName = table.ToUTF8Bytes();
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();
//获取所有列
#region 具体功能代码
//批量提交
var bat = new List <BatchMutation>();
//value：列数据集合 目前是单列
#region 生成批量提交的数据集合
var mu = new Mutation
{
/////////////////////////////////////////////////////////注意这里的列名表里必须有.
Column = System.Text.Encoding.UTF8.GetBytes("Data:Collections"),
Value = Guid.NewGuid().ToByteArray()
};
string row;
row = string.Format("{0:d15}{1}{2}", 99999, "ABCDEF", DateTime.Now.ToString("yyyyMMddHHmmssfff"));
Dictionary <byte[], byte[]> encodedAttributes = new Dictionary <byte[], byte[]>();
var batch = new BatchMutation
{
Row = System.Text.Encoding.UTF8.GetBytes(row),
Mutations = new List <Mutation>()
{
mu
}
};
#endregion
//添加到集合中
bat.Add(batch);
client.mutateRow(tableName, bat[0].Row, bat[0].Mutations, encodedAttributes);
client.mutateRows(tableName, bat, encodedAttributes);
#endregion
}
finally
{
if (transport != null)
{
transport.Close();
}
}
}
protected void 添加数据_Click(object sender, EventArgs e)
{
lab添加数据状态.Text = string.Empty;
//请在步骤2输入表名
if (string.IsNullOrEmpty(txt表名.Text))
{
lab添加数据状态.Text = "请在步骤2输入表名";
return;
}
string table = txt表名.Text;
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();
var id = client.scannerOpenWithScan(Encoding.UTF8.GetBytes(table), new TScan(), new Dictionary <byte[], byte[]>());
List <TRowResult> reslut;
reslut = client.scannerGet(id);
List <string> cols = new List <string>();
//创建表头
foreach (var item in reslut)
{
//所有列
foreach (var xaa in item.Columns)
{
string col = xaa.Key.ToUTF8String();
cols.Add(col);
}
}
foreach (var item in System.Linq.Enumerable.Range(1, 30))
{
List <Mutation> mus = new List <Mutation>();
List <string> info = new List <string>();
string skey = "_" + item;
string strx = string.Empty;
foreach (var col in cols)
{
string scol = col;
string svla = (Guid.NewGuid().ToString());
mus.Add(new Mutation()
{
Column = scol.ToUTF8Bytes(), Value = svla.ToUTF8Bytes()
});
strx = string.Format("col:{0},val:{1},key{2}", scol, svla, skey);
info.Add(strx);
}
client.mutateRow(table.ToUTF8Bytes(), skey.ToUTF8Bytes(), mus, new Dictionary <byte[], byte[]>());
lab添加数据状态.Text += string.Format("添加tab:{0},数据{{ {1} }}<br/>", table, string.Join(",", info));
}
}
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();
}
}
}
protected void HBaseMutateImage(string rowKey, byte[] image)
{
var socket = new TSocket("172.24.2.144", 9090);
var transport = new TBufferedTransport(socket);
var protocol = new TBinaryProtocol(transport);
Hbase.Client hc = 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<Mutation> mutation = new List<Mutation>();
Mutation m = new Mutation();
m.Column = column;
m.Value = image;
m.IsDelete = false;
m.WriteToWAL = true;
mutation.Add(m);
hc.mutateRow(table, row, mutation, null);
}
