Add main marker strategy

README.md

@@ -14,7 +14,7 @@ FlowNav is a mobile library for Android that helps and provider a better way to
 
 ```gradle
 // latest stable
-flownav_version = '0.5.0'
+flownav_version = '0.5.1'
 ```
 
 ## Start Now!

processor/src/main/java/com/flownav/processor/FlowNavProcessingStep.kt

@@ -61,22 +61,28 @@ internal class FlowNavProcessingStep(
  val mainInitializer = mainFlowNavInitializerElements.first()
  val packageName = processingEnv.elementUtils.getPackageOf(mainInitializer).toString()
  val classBuilder = FlowNavActionsBuilder(generatedNavClass).openFile(packageName)
-
+ val mainMarker = "${packageName}_${mainInitializer.simpleName}$APP_MODULE_MARKER"
+ val mainMarkerFile = File(targetParentPath, mainMarker)
  val entryRegisters = File(targetParentPath).listFiles()
 
- if(entryRegisters.isNullOrEmpty()) {
+ if (entryRegisters.isNullOrEmpty() ||
+ entryRegisters.any { it.name.contains(APP_MODULE_MARKER) && it.name != mainMarker }
+ ) {
+ File(targetParentPath).delete()
  processingEnv.messager.printMessage(
  Diagnostic.Kind.ERROR,
- "Invalid cache detected! Clean and rebuild your modules."
+ "Invalid cache detected! Clean modules and rebuild."
  )
  return
  }
 
- entryRegisters.forEach { register ->
- classBuilder
- .addAction(register.name, register.readText())
- .also { register.delete() }
- }
+ entryRegisters
+ .filter {
+ !it.name.contains(APP_MODULE_MARKER)
+ }.forEach { register ->
+ classBuilder.addAction(register.name, register.readText())
+ }
+ mainMarkerFile.writeText(System.nanoTime().toString())
  }
 
  private fun createEntryFlowNavKeys(

processor/src/main/java/com/flownav/processor/FlowNavProcessorExtensions.kt

@@ -19,6 +19,7 @@ internal const val FLOWNAV_MAIN_MODULE_PROPERTY = "flownav.main.module"
 internal const val BUILD_TYPE_SOURCE = "build/generated/source"
 internal const val PATH_SEPARATOR = "/"
 internal const val APP_MODULE_SEPARATOR = ","
+internal const val APP_MODULE_MARKER = "_MARKER"
 
 internal fun ProcessingEnvironment.getKaptKotlinGeneratedDir(): String? {
  return options[KAPT_KOTLIN_GENERATED_OPTION_NAME] ?: run {

sample/build.gradle

@@ -1,6 +1,6 @@
 buildscript {
  ext.kotlin_version = '1.3.72'
- ext.publish_version = '0.5.0'
+ ext.publish_version = '0.5.1'
  repositories {
  mavenCentral()
  jcenter()