Dagger Factory Generation

Details.md

When constructor injecting class with Dagger, the Dagger compiler will generate <Type>_Factory.java classes. This gist demonstrates the generated Java code and Kotlin equivalent code used in the blog post for Kotlin build performance measurements.

SampleServiceClient_Factory.java

package com.uber.model.core.generated.example;

import com.google.errorprone.annotations.RestrictedApi;
import com.uber.presidio.realtime.core.Data;
import com.uber.presidio.realtime.core.RealtimeClient;
import dagger.internal.Factory;
import javax.annotation.Generated;
import javax.inject.Provider;

@Generated(
  value = "com.uber.realtime.android.servicebuilder.RealtimeJavaServiceBuilder",
  comments = "This code was generated by the Uber Jenga Compiler for use with Dagger."
)
public final class SampleServiceClient_Factory<D extends Data>
    implements Factory<SampleServiceClient<D>> {
  private final Provider<RealtimeClient<D>> clientProvider;

  @RestrictedApi(
    explanation = "This should only be accessed from Dagger code",
    link = "",
    whitelistAnnotations = Generated.class
  )
  public SampleServiceClient_Factory(Provider<RealtimeClient<D>> clientProvider) {
    this.clientProvider = clientProvider;
  }

  @Override
  @RestrictedApi(
    explanation = "This should only be accessed from Dagger code",
    link = "",
    whitelistAnnotations = Generated.class
  )
  public SampleServiceClient<D> get() {
    return provideInstance(clientProvider);
  }

  @SuppressWarnings("CallingProviderGetDuringInit")
  @RestrictedApi(
    explanation = "This should only be accessed from Dagger code",
    link = "",
    whitelistAnnotations = Generated.class
  )
  public static <D extends Data> SampleServiceClient<D> provideInstance(
      Provider<RealtimeClient<D>> clientProvider) {
    return new SampleServiceClient<D>(clientProvider.get());
  }

  @RestrictedApi(
    explanation = "This should only be accessed from Dagger code",
    link = "",
    whitelistAnnotations = Generated.class
  )
  public static <D extends Data> SampleServiceClient_Factory<D> create(
      Provider<RealtimeClient<D>> clientProvider) {
    return new SampleServiceClient_Factory<D>(clientProvider);
  }

  @RestrictedApi(
    explanation = "This should only be accessed from Dagger code",
    link = "",
    whitelistAnnotations = Generated.class
  )
  public static <D extends Data> SampleServiceClient<D> newSampleServiceClient(
      RealtimeClient<D> client) {
    return new SampleServiceClient<D>(client);
  }
}

SampleServiceClient_Factory.kt

package com.uber.model.core.generated.example

import com.google.errorprone.annotations.RestrictedApi
import com.uber.presidio.realtime.core.Data
import com.uber.presidio.realtime.core.RealtimeClient
import dagger.internal.Factory
import javax.annotation.Generated
import javax.inject.Provider
import kotlin.jvm.JvmStatic

@Generated(
    "com.uber.realtime.android.servicebuilder.kotlin.RealtimeKotlinServiceBuilder",
    comments = "This code was generated by the Uber Jenga Compiler for use with Dagger."
)
class SampleServiceClient_Factory<D : Data>(private val clientProvider: Provider<RealtimeClient<D>>)
    : Factory<SampleServiceClient<D>> {
  override fun get(): SampleServiceClient<D> = provideInstance<D>(clientProvider)

  companion object {
    @RestrictedApi(
        explanation = "This should only be accessed from Dagger code",
        link = "",
        whitelistAnnotations = [Generated::class]
    )
    @JvmStatic
    fun <D : Data> provideInstance(clientProvider: Provider<RealtimeClient<D>>):
        SampleServiceClient<D> = SampleServiceClient<D>(clientProvider.get())

    @RestrictedApi(
        explanation = "This should only be accessed from Dagger code",
        link = "",
        whitelistAnnotations = [Generated::class]
    )
    @JvmStatic
    fun <D : Data> create(clientProvider: Provider<RealtimeClient<D>>):
        SampleServiceClient_Factory<D> = SampleServiceClient_Factory<D>(clientProvider)

    @RestrictedApi(
        explanation = "This should only be accessed from Dagger code",
        link = "",
        whitelistAnnotations = [Generated::class]
    )
    @JvmStatic
    fun <D : Data> newSampleServiceClient(client: RealtimeClient<D>): SampleServiceClient<D> =
        SampleServiceClient<D>(client)
  }
}