golang使用thrift2协议connect hbase
1. 我当前的环境是：
go version
go version go1.6 windows/amd64
hbase(main):001:0> version
1.2.4, r67592f3d062743907f8c5ae00dbbe1ae4f69e5af, Tue Oct 25 18:10:20 CDT 2016
创建，测试表 “tb_test”
hbase(main):003:0* create 'tb_test','cf', SPLITS=>['10','20','30','40']
hbase(main):003:0* desc "tb_test"
Table tb_test is ENABLED
tb_test
COLUMN FAMILIES DESCRIPTION
{NAME => 'cf', BLOOMFILTER => 'ROW', VERSIONS => '5', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'N
ONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERSIONS => '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION_SCOPE =>
'0'}
1 row(s) in 0.6630 seconds
在hadoop集群中启动thrfit2 Server：
./hbase-daemon.sh start thrift2
2. 准备golang客户端
2.1. 和python类似，下载thrift2库：http://thrift.apache.org/ 下载最新的 0.10 src版本，如果要以前的版本，也可到 http://archive.apache.org/dist/thrift 去下载 。
2.2. 编译安装：具体有多种方法，Maven，./configure make make install ...
2.3. 生成go代码：thrift -o
2.4. 将对应版本中golang接口code复制到当前golang安装目录，{$GOROOT}\src或者{$GOPATH}\src...
2.5. 再通过git获取外部资源git.apache.org/thrift.git/lib/go/thrift ： go get git.apache.org/thrift.git/lib/go/thrift 或者直接到 https://github.com/apache/thrift 直接下载zip包，将至放在$GPPATH\src\git.apache.org\thrift.git\ 目录下即可。
3. 编写客户端代码
/*
* @Author: lesorb.cn
* @Date: 2017-03-21 10:41:04
* @Last Modified by: lesorb.cn
* @Last Modified time: 2017-03-21 15:08:27
*/
package main
import (
// "encoding/binary"
"fmt"
"git.apache.org/thrift.git/lib/go/thrift"
"hbase"
"net"
"os"
"reflect"
// "strconv"
"time"
)
const (
HOST = "datanode1.hadoop"
PORT = "9090"
TESTRECORD = 10
)
func main() {
startTime := currentTimeMillis()
logformatstr_ := "----%s\n"
logformatstr := "----%s Cut times :%d-%d=%d MS \n\n"
logformattitle := "create connection "
rowkey := "row_154092606735603"
temptable := "tb_test"
protocolFactory := thrift.NewTBinaryProtocolFactoryDefault()
transport, err := thrift.NewTSocket(net.JoinHostPort(HOST, PORT))
if err != nil {
fmt.Fprintln(os.Stderr, "error resolving address:", err)
os.Exit(1)
}
client := hbase.NewTHBaseServiceClientFactory(transport, protocolFactory)
if err := transport.Open(); err != nil {
fmt.Fprintln(os.Stderr, "Error opening socket to "+HOST+":"+PORT, " ", err)
os.Exit(1)
}
tmpendTime := currentTimeMillis()
fmt.Printf(logformatstr, logformattitle, tmpendTime, startTime, (tmpendTime - startTime))
defer transport.Close()
//--------------Exists--------------------
logformattitle = " call exist method : "
fmt.Printf(logformatstr_, logformattitle)
tmpstartTime := currentTimeMillis()
//
isexists, err := (client.Exists([]byte(temptable), &hbase.TGet{Row: []byte(rowkey)}))
fmt.Printf("rowkey{%s} in table{%s} Exists:%t\t", rowkey, temptable, isexists)
if err != nil {
fmt.Printf("Exists err:%s\n", err)
}
fmt.Println("")
tmpendTime = currentTimeMillis()
fmt.Printf(logformatstr, logformattitle, tmpendTime, tmpstartTime, (tmpendTime - tmpstartTime))
//------------Get---------------
logformattitle = "call get method to retrieve data:"
fmt.Printf(logformatstr_, logformattitle)
tmpstartTime = currentTimeMillis()
//
result, err := (client.Get([]byte(temptable), &hbase.TGet{Row: []byte(rowkey)}))
if err != nil {
fmt.Printf("Get err:%s\n", err)
} else {
fmt.Println("Rowkey:" + string(result.Row))
for _, cv := range result.ColumnValues {
printStruct(cv)
}
}
tmpendTime = currentTimeMillis()
fmt.Printf(logformatstr, logformattitle, tmpendTime, tmpstartTime, (tmpendTime - tmpstartTime))
//--------------put------------------------
logformattitle = "call Put method to write data : "
rowkey = "row_154092606735604"
fmt.Printf(logformatstr_, logformattitle)
tmpstartTime = currentTimeMillis()
cvarr := []*hbase.TColumnValue{
&hbase.TColumnValue{
Family: []byte("cf"),
Qualifier: []byte("title"),
Value: []byte("welcome to lesorb.cn")},
&hbase.TColumnValue{
Family: []byte("cf"),
Qualifier: []byte("content"),
Value: []byte("welcome, why are u here!")},
&hbase.TColumnValue{
Family: []byte("cf"),
Qualifier: []byte("create"),
Value: []byte("user5")},
&hbase.TColumnValue{
Family: []byte("cf"),
Qualifier: []byte("create_time"),
Value: []byte("2017-03-21 16:17:26")},
&hbase.TColumnValue{
Family: []byte("cf"),
Qualifier: []byte("tags"),
Value: []byte("welcome,lesorb")}}
temptput := hbase.TPut{Row: []byte(rowkey), ColumnValues: cvarr}
err = client.Put([]byte(temptable), &temptput)
if err != nil {
fmt.Printf("Put err:%s\n", err)
} else {
fmt.Println("Put done")
}
tmpendTime = currentTimeMillis()
fmt.Printf(logformatstr, logformattitle, tmpendTime, tmpstartTime, (tmpendTime - tmpstartTime))
//------------DeleteSingle------------
logformattitle = "call DeleteSingle method to delete a data: "
fmt.Printf(logformatstr_, logformattitle)
tmpstartTime = currentTimeMillis()
tdelete := hbase.TDelete{Row: []byte(rowkey)}
err = client.DeleteSingle([]byte(temptable), &tdelete)
if err != nil {
fmt.Printf("DeleteSingle err:%s\n", err)
} else {
fmt.Printf("DeleteSingel done\n")
}
tmpendTime = currentTimeMillis()
fmt.Printf(logformatstr, logformattitle, tmpendTime, tmpstartTime, (tmpendTime - tmpstartTime))
}
//struct
func printStruct(cv interface{}) {
switch reflect.ValueOf(cv).Interface().(type) {
case *hbase.TColumnValue:
s := reflect.ValueOf(cv).Elem()
typeOfT := s.Type()
//get Thrift2 field
for i := 0; i < s.NumField(); i++ {
f := s.Field(i)
fileldformatstr := "\t%d: %s(%s)= %v\n"
switch f.Interface().(type) {
case []uint8:
fmt.Printf(fileldformatstr, i, typeOfT.Field(i).Name, f.Type(), string(f.Interface().([]uint8)))
case *int64:
var tempint64 int64
if f.Interface().(*int64) == nil {
tempint64 = 0
} else {
tempint64 = *f.Interface().(*int64)
}
fmt.Printf(fileldformatstr, i, typeOfT.Field(i).Name, f.Type(), tempint64)
default:
fmt.Printf("I don't know")
}
}
default:
fmt.Printf("I don't know")
fmt.Print(reflect.ValueOf(cv))
}
}
func currentTimeMillis() int64 {
return time.Now().UnixNano() / 1000000
}运行结果如下：
----create connection Cut times :1490084989059-1490084989042=17 MS
---- call exist method :
rowkey{row_154092606735603} in table{tb_test} Exists:true
---- call exist method : Cut times :1490084989073-1490084989060=13 MS
----call get method to retrieve data:
Rowkey:row_154092606735603
0: Family([]uint8)= cf
1: Qualifier([]uint8)= content
2: Value([]uint8)= He's full of bad ideas.!
3: Timestamp(*int64)= 1489489549481
4: Tags([]uint8)=
0: Family([]uint8)= cf
1: Qualifier([]uint8)= create
2: Value([]uint8)= user4
3: Timestamp(*int64)= 1489489549481
4: Tags([]uint8)=
0: Family([]uint8)= cf
1: Qualifier([]uint8)= create_time
2: Value([]uint8)= 2017-03-14 11:04:58
3: Timestamp(*int64)= 1489489549481
4: Tags([]uint8)=
0: Family([]uint8)= cf
1: Qualifier([]uint8)= title
2: Value([]uint8)= idea
3: Timestamp(*int64)= 1489489549481
4: Tags([]uint8)=
----call get method to retrieve data: Cut times :1490084989089-1490084989073=16 MS
----call Put method to write data :
Put done
----call Put method to write data : Cut times :1490084989177-1490084989089=88 MS
----call DeleteSingle method to delete a data:
DeleteSingel done
----call DeleteSingle method to delete a data: Cut times :1490084989195-1490084989178=17 MS相关code参加我的下载链接：
http://download.csdn.net/detail/lesorb/9788720