Getting Smallrye Graphql Client 1.0.3 Working with Quarkus 1.5.0.Final in Native Image

dynamic-proxy.json

  [
    "com.acme.myapp.MyCoolGraphQlApi"
  ]

GraalReflectionConfig.kt

package com.acme.myapp;

import io.quarkus.runtime.annotations.RegisterForReflection

@RegisterForReflection(
    targets = [
        io.smallrye.graphql.client.typesafe.api.GraphQlClientApi::class,
        io.smallrye.graphql.client.typesafe.api.GraphQlClientBuilder::class,
        io.smallrye.graphql.client.typesafe.api.GraphQlClientHeader::class,
      
        io.smallrye.graphql.client.typesafe.impl.GraphQlClientBuilderImpl::class,
        io.smallrye.graphql.client.typesafe.impl.reflection.ConstructionInfo::class,
        io.smallrye.graphql.client.typesafe.impl.reflection.FieldInfo::class,
        io.smallrye.graphql.client.typesafe.impl.reflection.MethodInfo::class,
        io.smallrye.graphql.client.typesafe.impl.reflection.ParameterInfo::class,
        io.smallrye.graphql.client.typesafe.impl.reflection.TypeInfo::class,


        javax.json.Json::class,
        javax.json.JsonBuilderFactory::class,
        javax.json.JsonObject::class,
        javax.json.JsonObjectBuilder::class,
        javax.json.JsonReaderFactory::class,
        javax.json.JsonValue::class
    ]
)
class GraalReflectionConfig {}

MyCoolGraphQlApi.kt

package com.acme.myapp

import io.quarkus.runtime.annotations.RegisterForReflection
import io.smallrye.graphql.client.typesafe.api.GraphQlClientApi
import io.smallrye.graphql.client.typesafe.api.GraphQlClientBuilder
import io.smallrye.graphql.client.typesafe.api.GraphQlClientHeader
import javax.enterprise.context.ApplicationScoped
import javax.enterprise.inject.Produces

@GraphQlClientApi(endpoint = "https://api.something.com/graphql")
interface MyCoolGraphQlApi {
    fun queryName(request: List<RequestItem>): Response
}

// Do not forget this annotation!
@RegisterForReflection
data class RequestItem(var x: Double, var y: Double)

/*
    I did not spend time trying to get Annotation Scanning working so I'm using this simple CDI producer.
 */
@ApplicationScoped
class MyCoolGraphQlApiProducer {

    @Produces
    fun myCoolGraphQlApiClient(): MyCoolGraphQlApi = GraphQlClientBuilder
        .newBuilder()
        .header(GraphQlClientHeader("Authorization", "Bearer tokenDetails"))
        .build(MyCoolGraphQlApi::class.java)
}

pom.xml

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>io.quarkus</groupId>
                <artifactId>quarkus-bom</artifactId>
                <version>1.5.0.Final</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>io.smallrye</groupId>
                <artifactId>smallrye-parent</artifactId>
                <version>18</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>io.quarkus</groupId>
            <artifactId>quarkus-rest-client</artifactId>
        </dependency>
        <dependency>
            <groupId>io.smallrye</groupId>
            <artifactId>smallrye-graphql-client</artifactId>
            <version>1.0.3</version>
        </dependency>
        <dependency>
            <groupId>jakarta.json</groupId>
            <artifactId>jakarta.json-api</artifactId>
        </dependency>
        <dependency>
            <groupId>org.glassfish</groupId>
            <artifactId>jakarta.json</artifactId>
        </dependency>
    </dependencies>

resources-config.json

{
  "resources": [
    {
      "pattern": "META-INF/services/javax.enterprise.inject.spi.Extension"
    },
    {
      "pattern": "META-INF/services/io.smallrye.graphql.client.typesafe.api.GraphQlClientBuilder"
    }
  ]
}

From end users perspective, transport really doesn’t matter so long as the transitive dependencies “just work.” In this case they did not, although I must admit that is one of the more confusing issues I’ve hit in graal native.