dotnetcore with two --thrift client hbase of production

Explanation

In the previous article dotnetcore with one hbase --hbase environment ready after the end, we have hbase database environment. Then you can take advantage of thrift generate c # hbase the client. If you do not understand thrift, please poke here .

dotnet core realization of thrift

thrift added from version 0.11.0 of netcore have achieved. There are versions of .net farmwork realize this before. In order to use with dotnet core version we chose the oldest version 0.11.0 installed. But that there is a problem, hbase in the thrift version is 0.9.0, the version inconsistencies cause some transport protocol can not be used, the current test only a simple binary protocol TBinaryProtocolcan! ! !

1. thrift installation

thrift-0.11.0 from here download.

ubuntu18.04 installation thrift go here or on their own Baidu.

2. thrift hbase generation

Find hbase1.2.8 extract the folder Hbase.thrift, you can use the Linux command find ./ -name Hbase.thriftto find out.

hbase-1.2.8|⇒ find ./ -name Hbase.thrift
./hbase-thrift/src/main/resources/org/apache/hadoop/hbase/thrift/Hbase.thrift

Open into the containing Hbase.thriftdirectory, execute the command generation thrift --gen netcore Hbase.thrift. Generally have the following warning can be ignored:

[WARNING:/home/hsx/Downloads/hbase-1.2.8-src/hbase-1.2.8/hbase-thrift/src/main/resources/org/apache/hadoop/hbase/thrift/Hbase.thrift:89] The "byte" type is a compatibility alias for "i8". Use "i8" to emphasize the signedness of this type.

View command execution ls -al, see the generated foldergen-netcore

total 40
drwxr-xr-x gen-netcore
-rw-rw-r-- Hbase.thrift

Into the gen-netcorefolder may see some c # code:

total 716K
-rw-r--r-- AlreadyExists.cs
-rw-r--r-- BatchMutation.cs
-rw-r--r-- ColumnDescriptor.cs
-rw-r--r-- Hbase.cs
-rw-r--r-- IllegalArgument.cs
-rw-r--r-- IOError.cs
-rw-r--r-- Mutation.cs
-rw-r--r-- TAppend.cs
-rw-r--r-- TCell.cs
-rw-r--r-- TColumn.cs
-rw-r--r-- TIncrement.cs
-rw-r--r-- TRegionInfo.cs
-rw-r--r-- TRowResult.cs
-rw-r--r-- TScan.cs

We simply create a new Class Library project dotnet, for example dotnet new classlib -o HbaseNetCore, directly to copy these files to the library project directory on the line. Open the project and found it quoted thrift, but unable to find references are given:

using Thrift;
using Thrift.Collections;
using Thrift.Protocols;
using Thrift.Protocols.Entities;
using Thrift.Protocols.Utilities;
using Thrift.Transports;
using Thrift.Transports.Client;
using Thrift.Transports.Server;

Next introduce acquiring thrift project to solve the problems cited.

3. Get thrift project

Open thrift-0.11.0 decompression folders, perform a search find ./ -name netcore, as follows:

./lib/netcore # c#实现的thrift源码
./tutorial/netcore # c#实现的thrift使用教程
./test/netcore # 测试

What we really need is ./lib/netcorein the thriftproject. In fact, ./lib/there are thrift languages to achieve, such as:

lib|⇒ ls
as3     csharp  erl   java    lua          netcore  php  st
c_glib  d       go    javame  Makefile     nodejs   py   ts
cocoa   dart    haxe  js      Makefile.am  ocaml    rb   xml
cpp     delphi  hs    json    Makefile.in  perl     rs

Find ./lib/netcore/thrift, copy the project to the second step of the project HbaseNetCorenext, and then HbaseNetCorereference thriftthe project can be. In fact, before creating all projects should create a solution to manage projects, create their own readers.

4. Test

New Test project to test more than the generated client. See the specific implementation here HBase C # and the .NET Thrift in the Tutorial .

to sum up

The above steps are basic online tutorials listed here to make the original author is confusing places, such as readers for help, it could not be better. As has been kept informed reader, skip own.
Hbase due to inconsistencies thrift and used in the version, can only lead to the use of a simple binary protocol TBinaryProtocol! ! !
The latter will do some of the HbaseNetCoreprojects help tool. Stay tuned.