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https://github.com/kivanval/gravrity
A Gradle plugin that compiles Apache Avro files (*.avpr, *.avsc, *.avdl) into the corresponding Scala files in your project using the Avrohugger.
https://github.com/kivanval/gravrity
avro avro-schema gradle-plugin groovy scala spock
Last synced: 2 months ago
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A Gradle plugin that compiles Apache Avro files (*.avpr, *.avsc, *.avdl) into the corresponding Scala files in your project using the Avrohugger.
- Host: GitHub
- URL: https://github.com/kivanval/gravrity
- Owner: kivanval
- License: apache-2.0
- Created: 2024-01-13T15:33:13.000Z (12 months ago)
- Default Branch: develop
- Last Pushed: 2024-07-07T05:08:21.000Z (6 months ago)
- Last Synced: 2024-07-07T06:24:29.133Z (6 months ago)
- Topics: avro, avro-schema, gradle-plugin, groovy, scala, spock
- Language: Groovy
- Homepage:
- Size: 327 KB
- Stars: 4
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# 🇺🇦 HELP UKRAINE
I'm the creator of this project.
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# Avrohugger Plugin for Gradle
A Gradle plugin that compiles [Apache Avro](https://avro.apache.org/docs/1.11.1/) files (```*.avpr, *.avsc, *.avdl```)
into the corresponding Scala files in your project using the [Avrohugger](https://github.com/julianpeeters/avrohugger).
It has two main functions:
1. Collects all the necessary information for the Avohugger Generator, which generates Scala sources from Apache Avro files.
2. Adds the generated Scala source files to the input of the Scala sourceSet, so that they can be compiled along with your Scala sources.
## Latest Version
The latest version is 1.0.0. It requires at least Gradle 7.2 and Java 8.
```groovy
plugins {
id 'io.github.kivanval.avrohugger' version '1.0.0'
}
```
## Development Version
To try out the head version, you can download the source and build it with ```./gradlew publishToMavenLocal```, then in ```settings.gradle```:
```groovy
pluginManagement {
repositories {
gradlePluginPortal()
mavenLocal()
}
}
```
And in ```build.gradle```:
```groovy
plugins {
id 'io.github.kivanval.avrohugger' version '1.0.0-SNAPSHOT'
}
```
## Configuring Avrohugger generation
The Avrohugger plugin assumes that the Apache Avro files (```*.avpr, *.avsc, *.avdl```)
are organized in the same way as Scala source files, in sourceSets.
The files generated by the Avrohugger Generator are added to the Scala sources
before executing ```./gradlew compileScala```.
### Customizing source directories
The plugin adds a new source directory named ```avro``` alongside ```scala``` to every sourceSet.
By default, it includes all ```*.avpr, *.avsc, *.avdl``` files under ```src/$sourceSetName/avro```.
You can customize it in the same way as you would customize the scala sources.
```groovy
sourceSets {
main {
avro {
// In addition to the default 'src/main/avro'
srcDir 'src/main/avro-schemas'
include '**/*.json'
// Change default output path 'generated/sources/avrohugger/scala/main'
//
destinationDirectory = file("$rootDir/someDir")
}
}
test {
avro {
// In addition to the default 'src/test/avro'
srcDir 'src/test/avro-schemas'
}
}
}
```
**Warning**: Use empty directories for ```destinationDirectory```,
as the ```./gradlew clean``` will remove all files from the directory path specified!
### Customizing Avrohugger generation
The plugin adds a ```avrohugger``` extension to the project.
It provides all the configurations necessary for the generator.
- Groovy
```groovy
avrohugger {
// There are two types of generation: standard and specific.
// Choose the one you need and change the standard configuration for the types if necessary.
format = specificRecord {
intType = scalaInt
decimalType = scalaBigDecimal(roundingMode.CEILING())
}
// Mapping avro namespaces to scala packages
namespaceMapping = ['com.example': 'io.github.kivanval.avrohugger']
// Flag related to case classes limitation in Scala versions <= 2.10.*
restrictedFieldNumber = false
}
```
- Kotlin
```kotlin
avrohugger {
// There are two types of generation: standard and specific.
// Choose the one you need and change the standard configuration for the types if necessary.
format = specificRecord {
intType = scalaInt
decimalType = scalaBigDecimal(roundingMode.CEILING())
}
// Mapping avro namespaces to scala packages
namespaceMapping = mapOf("com.example" to "io.github.kivanval.avrohugger")
// Flag related to case classes limitation in Scala versions <= 2.10.*
restrictedFieldNumber = false
}
```
#### Default configuration
To understand the standard type mappings for the plugin,
I recommend checking out the [Avrohugger](https://github.com/julianpeeters/avrohugger).
```groovy
avrohugger {
// default type mapping from avrohugger
format = standard
namespaceMapping = []
restrictedFieldNumber = false
}
```
#### Specific format
Using the specific format make sure you have
a dependency on [Apache Avro](https://mvnrepository.com/artifact/org.apache.avro/avro).
At the moment this has to be done manually.
```groovy
dependencies {
implementation 'org.apache.avro:avro:1.11.3'
}
```
## Avro files in dependencies
If the dependency is put in the ```avro``` configuration,
the avro files are extracted to a ```extracted/sources/avrohugger/avro/$sourceSetName``` directory
and added to the avro source sets in the project.
Example:
```groovy
dependencies {
// avro files can be from a local package,
avro files('lib/nestedSample.zip')
// ... a local directory,
avro files('ext/')
// ... or an artifact from a repository
testAvro 'com.example:published-avro:1.0.0'
}
```
## Sandbox
If you want to manually test the plugin,
use [sandbox](https://github.com/kivanval/gradle-avrohugger/tree/develop/sandbox) for this purpose.
Run ```./gradlew build``` under the sandbox directory to test it out.