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©2018 Wantedly, Inc.
Rails͔ΒProtobufΛ
͍ͨ͘ͳͬͨ
Cloud Pub/Sub ͰͷεΩʔϚཧ
2018.9.20 - @rerost/@hazumirr
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©2018 Wantedly, Inc.
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©2018 Wantedly, Inc.
۴࿏ߴઐ
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©2018 Wantedly, Inc.
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ืू ϑΟʔυ εΧτ
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©2018 Wantedly, Inc.
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©2018 Wantedly, Inc.
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©2018 Wantedly, Inc.
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εΧτͷσʔλੳ͢Δਓ
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͠ϚΠΫϩαʔϏεԽ͕ਐΜͩΒ
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7JTJUͷ͕͍
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͠ϚΠΫϩαʔϏεԽ͕ਐΜͩΒ
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©2018 Wantedly, Inc.
$MPVE1VC4VC
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https://cloud.google.com/pubsub/docs/overview
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͠ϚΠΫϩαʔϏεԽ͕ਐΜͩΒ
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©2018 Wantedly, Inc.
͠ϚΠΫϩαʔϏεԽ͕ਐΜͩΒ
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©2018 Wantedly, Inc.
ͦ͜Ͱ1SPUPDPM#V⒎FS
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͠ϚΠΫϩαʔϏεԽ͕ਐΜͩΒ
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©2018 Wantedly, Inc.
Protocol Buffer
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©2018 Wantedly, Inc.
syntax = "proto3";
option ruby_package = "Protos::SamplePB";
message User {
// ֶྺ
message Education {
string school_name = 1;
}
// ৬ྺ
message Experience {
string company_name = 1;
}
string user_name = 1;
string introduction = 2;
int64 age = 3;
repeated Education educations = 4;
repeated Experience experiences = 5;
}
TBNQMFQSPUP
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©2018 Wantedly, Inc.
# Generated by the protocol buffer compiler. DO NOT EDIT!
# source: protos/sample.proto
require 'google/protobuf'
Google::Protobuf::DescriptorPool.generated_pool.build do
add_message "User" do
optional :user_name, :string, 1
optional :introduction, :string, 2
optional :age, :int64, 3
repeated :educations, :message, 4, "User.Education"
repeated :experiences, :message, 5, "User.Experience"
end
add_message "User.Education" do
optional :school_name, :string, 1
end
add_message "User.Experience" do
optional :company_name, :string, 1
end
end
module Protos::SamplePB
User = Google::Protobuf::DescriptorPool.generated_pool.lookup("User").msgclass
User::Education = Google::Protobuf::DescriptorPool.generated_pool.lookup("User.Education").msgclass
User::Experience = Google::Protobuf::DescriptorPool.generated_pool.lookup("User.Experience").msgclass
end
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©2018 Wantedly, Inc.
def new_sample
educations = [
Protos::SamplePB::User::Education.new(
school_name: "۴࿏ߴઐ"
),
Protos::SamplePB::User::Education.new(
school_name: "ஜେֶ"
),
]
experiences = [
Protos::SamplePB::User::Experience.new(
company_name: "ΥϯςουϦʔגࣜձࣾ"
),
]
Protos::SamplePB::User.new(
user_name: 'rerost',
introduction: 'δϟεί͔Β110km',
educations: educations,
experiences: experiences,
)
end
sample = new_sample
puts Protos::SamplePB::User.encode_json(sample)
{
"userName": "rerost",
"introduction": "δϟεί͔Β110km",
"educations": [
{
"schoolName": "۴࿏ߴઐ"
},
{
"schoolName": "ஜେֶ"
}
],
"experiences": [
{
"companyName": "ΥϯςουϦʔגࣜձࣾ"
}
]
}
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©2018 Wantedly, Inc.
def new_sample
Protos::SamplePB::User.new(
user_name: 1, # Τϥʔ user_nameͷܕ͕ҧ͏ͷͰ
age: 23,
introduction: 'δϟεί͔Β110km',
educations: [],
experiences: [],
)
end
sample = new_sample
ҧ͏ܕΛೖΕͨ߹ʹ͍ͭͯ
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©2018 Wantedly, Inc.
def new_sample
Protos::SamplePB::User.new()
end
sample = new_sample
puts sample.age # 0
ΛೖΕͳ͔ͬͨ߹ʹ͍ͭͯ
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©2018 Wantedly, Inc.
def new_sample
Protos::SamplePB::User.new(
age: 23,
)
end
sample = new_sample
encoded = Protos::SamplePB::User.encode(sample)
puts encoded.class # String
decoded = Protos::SamplePB::User.decode(encoded)
puts decoded.age # 23
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©2018 Wantedly, Inc.
def new_sample
Protos::SamplePB::User.new(
age: 23,
)
end
sample = new_sample
encoded = Protos::SamplePB::User.encode_json(sample)
puts encoded.class # String
puts encoded # {"age":23,"educations":[],"experiences":[]}
decoded = Protos::SamplePB::User.decode_json(encoded)
puts decoded.age # 23
+40/ͷγϦΞϥΠζσγϦΞϥΠζ
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©2018 Wantedly, Inc.
https://github.com/rerost/sample-protobuf
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©2018 Wantedly, Inc.
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࠷ݶཉ͍͠ޓੑɹ
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<࠶ܝ>͠ϚΠΫϩαʔϏεԽ͕ਐΜͩΒ
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