All Questions
Tagged with scala protocol-buffers
135
questions
0
votes
0
answers
37
views
Issue with proto object defining isEmpty
we've got this protobuffer object definition (and we cannot modify it)
...
message Condition {
oneof condition_one_of {
FieldCondition field = 1;
IsEmptyCondition is_empty = 2;
...
- 3,664
0
votes
1
answer
40
views
Convert a spark DataFrame to a slighly different case class?
I have some data in HDFS that is in parquet-protobuf.
Due to some project constraints, I want to read that data with a spark DataFrame (easy) and then convert to a case class that is slightly ...
- 61
1
vote
0
answers
49
views
ScalaPB type class instance on the generated message companion object
Suppose there is a proto MyMessage and a type class TypeClass[T].
Is it possible to have a custom instance TypeClass[MyMessage] in the generated companion object of MyMessage, so any (implicit ...
- 9,129
0
votes
0
answers
99
views
Classes code generated from protobuf file not found in Scalapb
I'm new to Scalapb and currently I'm trying to compile a proto file to Scala classes as below
build.sbt (made by George Leung / phiSgr - run normally on his demo project):
// the enterprisePackage ...
- 54
0
votes
0
answers
58
views
ScalaPb annotations on sealed trait
I am trying to put an annotation on top of a generated sealed trait using scalaPb this way:
message SealedTrait {
option (scalapb.message).annotations ="@zio.json.jsonDiscriminator("...
- 6,913
1
vote
0
answers
310
views
Spark Structured Streaming with Protobuf Data Source and Evolving Schema
In Spark 3.4.0, Protobuf was supported as a data source: https://spark.apache.org/docs/latest/sql-data-sources-protobuf.html
Looking through the documentation, it's not clear exactly how this behaves ...
- 53
0
votes
0
answers
356
views
google.protobuf.doublevalue is not convert to option[double]
I write proto like this
message I {
google.protobuf.DoubleValue supplierCommissionAmount = 1;
}
It convert to below code
final case class I(
variable: _root_.scala.Double = 0.0,
)
but ...
0
votes
0
answers
117
views
How to automatically parse out the fields(Protobuf) used in the code?
Given the following trade.proto file:
message Trade {
message ProductInfo {
optional uint64 product_id = 1;
optional String product_name = 2;
repeated int other_field = 3;
}
...
- 3
1
vote
1
answer
311
views
Is there a way to get all possible protobuf Enum values using scalapb?
I have a protobuf enum like
enum MyEnum {
A = 0;
B = 1;
C = 2;
}
At runtime, I want to loop over all possible values for the enum like this:
MyEnum().uniqueValues.forEach(println)
How might I do ...
- 193
0
votes
1
answer
563
views
How to convert binary protobuf file to json file in Scala?
In my project I have proto file, the respective class files also. I have probuf binary data as blob file format. How can I convert this file to json file? I am very new to Scala.
I came across https://...
- 119
-1
votes
1
answer
157
views
How to avoid a copy of array when parsing a ByteString with ScalaPB
Given bs, an instance of com.google.protobuf.ByteString.
What is the best way to parse from it
I have tried
Foo.parseFrom(bs.toByteArray)
Foo.parseFrom(bs.newInput)
Surprisingly, a JMH benchmark ...
- 8,269
0
votes
1
answer
803
views
google ads api doesn't return rows with null columns
Migrating from AdWords to GoogleAds api.
Querying search_term_view:
val googleAdsClient: GoogleAdsClient = GoogleAdsClient.newBuilder()
.setCredentials(credential)
.setDeveloperToken(...
0
votes
1
answer
749
views
How to share .proto (protobuf) files using a shared scala library using sbt
I have a few apps using shared .proto files. Each app's repo currently contains a copy of the files, which is not ideal and has recently created a problem when they accidentally diverged.
I would like ...
- 18
-1
votes
3
answers
2k
views
Import "google/protobuf/wrappers.proto" was not found scala
I have a .proto file which Imports google/protobuf/wrappers.proto
while I run Scalapbc to generate the relevant scala code out of it it gives Import google/protobuf/wrappers.proto not found error.
as ...
- 1
0
votes
1
answer
2k
views
convert ByteArray to String to ByteArray
I want to convert ByteArray to string and then convert the string to ByteArray,But while converting values changed. someone help to solve this problem.
person.proto:
syntax = "proto3";
...
- 55