Merge pull request #4 from RBusarow/incremental

add incremental support

RoomigrantCompiler/build.gradle

@@ -17,4 +17,8 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     kapt 'com.squareup.moshi:moshi-kotlin-codegen:1.9.2'
+
+    compileOnly 'com.google.auto.service:auto-service:1.0-rc6'
+    compileOnly 'net.ltgt.gradle.incap:incap:0.2'
+    kapt 'net.ltgt.gradle.incap:incap-processor:0.2'
 }

RoomigrantCompiler/src/main/java/dev/matrix/roomigrant/compiler/Processor.kt

@@ -1,20 +1,28 @@
 package dev.matrix.roomigrant.compiler
 
+import com.google.auto.service.AutoService
 import com.squareup.kotlinpoet.asClassName
 import com.squareup.moshi.Moshi
 import dev.matrix.roomigrant.GenerateRoomMigrations
 import dev.matrix.roomigrant.compiler.data.Root
+import net.ltgt.gradle.incap.IncrementalAnnotationProcessor
+import net.ltgt.gradle.incap.IncrementalAnnotationProcessorType.ISOLATING
 import java.io.File
 import java.io.InputStreamReader
 import javax.annotation.processing.AbstractProcessor
+import javax.annotation.processing.Processor
 import javax.annotation.processing.RoundEnvironment
+import javax.annotation.processing.SupportedSourceVersion
 import javax.lang.model.SourceVersion
 import javax.lang.model.element.TypeElement
 import androidx.room.Database as DatabaseAnnotation
 
 /**
  * @author matrixdev
  */
+@AutoService(Processor::class)
+@IncrementalAnnotationProcessor(ISOLATING)
+@SupportedSourceVersion(SourceVersion.RELEASE_7)
 class Processor : AbstractProcessor() {
 
 	override fun getSupportedSourceVersion() = SourceVersion.latestSupported()!!

gradle.properties

@@ -13,3 +13,4 @@ org.gradle.jvmargs=-Xmx1536m
 # org.gradle.parallel=true
 
 android.useAndroidX=true
+kapt.incremental.apt=true