Prebuild eventbus index to speed up messages delivery

As described https://greenrobot.org/eventbus/documentation/subscriber-index/ TODO TEST THE PERFORMANCE
fo2rist · Oct 29, 2021 · 173d93c · 173d93c
1 parent 17211b3
commit 173d93c
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Showing 2 changed files with 16 additions and 2 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -8,11 +8,9 @@ apply from: '../jacoco.gradle'
 
 buildscript { //for crashlytics
     repositories {
-
     }
 
     dependencies {
-
     }
 }
 
@@ -40,11 +38,14 @@ android {
 
     defaultConfig {
         applicationId "com.github.fo2rist.mclaren"
+
         targetSdkVersion project.TARGET_SDK_VERSION
         minSdkVersion project.MIN_SDK_VERSION
         versionCode project.APP_VERSION_CODE
         versionName project.APP_VERSION_NAME
+
         vectorDrawables.useSupportLibrary = true
+
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
@@ -137,6 +138,7 @@ dependencies {
 
     // event bus
     implementation 'org.greenrobot:eventbus:3.2.0'
+    kapt 'org.greenrobot:eventbus-annotation-processor:3.2.0' // for compile time discovery
 
     // joda time
     implementation 'joda-time:joda-time:2.10.3'
@@ -178,6 +180,12 @@ dependencies {
     androidTestImplementation 'com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0'
 }
 
+kapt {
+    arguments {
+        arg('eventBusIndex', 'com.github.fo2rist.mclaren.AutogeneratedEventBusIndex')
+    }
+}
+
 /**
  * Load bunc of properties from file.
  * @return {@link Properties}

diff --git a/app/src/main/java/com/github/fo2rist/mclaren/repository/RepositoryEventBusImpl.kt b/app/src/main/java/com/github/fo2rist/mclaren/repository/RepositoryEventBusImpl.kt
@@ -13,6 +13,12 @@ import javax.inject.Singleton
 @Singleton
 class RepositoryEventBusImpl @Inject constructor() : FeedRepositoryEventBus, TransmissionRepositoryEventBus {
 
+    init {
+        EventBus.builder()
+                .addIndex(com.github.fo2rist.mclaren.AutogeneratedEventBusIndex())
+                .build()
+    }
+
     override fun subscribe(subscriber: Any) = EventBus.getDefault().register(subscriber)
 
     override fun unsubscribe(subscriber: Any) = EventBus.getDefault().unregister(subscriber)