Improve performance in SynthesizeDependenciesTask.

src/main/kotlin/com/autonomousapps/internal/OutputPaths.kt

@@ -49,6 +49,7 @@ internal class OutputPaths(
   private val graphDir = "${variantDirectory}/graph"
   val compileGraphPath = file("${graphDir}/graph-compile.json")
   val compileGraphDotPath = file("${graphDir}/graph-compile.gv")
+  val compileNodesPath = file("${graphDir}/graph-compile-nodes.json")
   val runtimeGraphPath = file("${graphDir}/graph-runtime.json")
   val runtimeGraphDotPath = file("${graphDir}/graph-runtime.gv")
   val dominatorConsolePath = file("${graphDir}/graph-dominator.txt")

src/main/kotlin/com/autonomousapps/model/Coordinates.kt

@@ -99,3 +99,5 @@ data class IncludedBuildCoordinates(
     )
   }
 }
+
+internal class CoordinatesContainer(val coordinates: Set<Coordinates>)

src/main/kotlin/com/autonomousapps/subplugin/ProjectPlugin.kt

@@ -528,6 +528,7 @@ internal class ProjectPlugin(private val project: Project) {
 
       output.set(outputPaths.compileGraphPath)
       outputDot.set(outputPaths.compileGraphDotPath)
+      outputNodes.set(outputPaths.compileNodesPath)
       outputRuntime.set(outputPaths.runtimeGraphPath)
       outputRuntimeDot.set(outputPaths.runtimeGraphDotPath)
     }
@@ -630,7 +631,7 @@ internal class ProjectPlugin(private val project: Project) {
       tasks.register<SynthesizeDependenciesTask>("synthesizeDependencies$taskNameSuffix") {
         inMemoryCache.set(inMemoryCacheProvider)
         projectPath.set(thisProjectPath)
-        graphView.set(graphViewTask.flatMap { it.output })
+        compileDependencies.set(graphViewTask.flatMap { it.outputNodes })
         physicalArtifacts.set(artifactsReportTask.flatMap { it.output })
         explodedJars.set(explodeJarTask.flatMap { it.output })
         inlineMembers.set(inlineTask.flatMap { it.output })

src/main/kotlin/com/autonomousapps/tasks/GraphViewTask.kt

@@ -7,6 +7,7 @@ import com.autonomousapps.internal.graph.GraphViewBuilder
 import com.autonomousapps.internal.graph.GraphWriter
 import com.autonomousapps.internal.utils.getAndDelete
 import com.autonomousapps.internal.utils.toJson
+import com.autonomousapps.model.CoordinatesContainer
 import com.autonomousapps.model.DependencyGraphView
 import com.autonomousapps.model.declaration.SourceSetKind
 import com.autonomousapps.model.declaration.Variant
@@ -81,6 +82,10 @@ abstract class GraphViewTask : DefaultTask() {
   @get:OutputFile
   abstract val output: RegularFileProperty
 
+  /** Output in json format for compile classpath dependencies (the graph's nodes). */
+  @get:OutputFile
+  abstract val outputNodes: RegularFileProperty
+
   /** Output in graphviz format for compile classpath graph. */
   @get:OutputFile
   abstract val outputDot: RegularFileProperty
@@ -96,6 +101,7 @@ abstract class GraphViewTask : DefaultTask() {
   @TaskAction fun action() {
     val output = output.getAndDelete()
     val outputDot = outputDot.getAndDelete()
+    val outputNodes = outputNodes.getAndDelete()
     val outputRuntime = outputRuntime.getAndDelete()
     val outputRuntimeDot = outputRuntimeDot.getAndDelete()
 
@@ -115,6 +121,7 @@ abstract class GraphViewTask : DefaultTask() {
 
     output.writeText(compileGraphView.toJson())
     outputDot.writeText(GraphWriter.toDot(compileGraph))
+    outputNodes.writeText(CoordinatesContainer(compileGraphView.nodes).toJson())
     outputRuntime.writeText(runtimeGraphView.toJson())
     outputRuntimeDot.writeText(GraphWriter.toDot(runtimeGraph))
   }

src/main/kotlin/com/autonomousapps/tasks/SynthesizeDependenciesTask.kt

@@ -38,7 +38,7 @@ abstract class SynthesizeDependenciesTask @Inject constructor(
 
   @get:PathSensitive(PathSensitivity.NONE)
   @get:InputFile
-  abstract val graphView: RegularFileProperty
+  abstract val compileDependencies: RegularFileProperty
 
   @get:PathSensitive(PathSensitivity.NONE)
   @get:InputFile
@@ -90,7 +90,7 @@ abstract class SynthesizeDependenciesTask @Inject constructor(
   @TaskAction fun action() {
     workerExecutor.noIsolation().submit(SynthesizeDependenciesWorkAction::class.java) {
       inMemoryCache.set(this@SynthesizeDependenciesTask.inMemoryCache)
-      graphView.set(this@SynthesizeDependenciesTask.graphView)
+      compileDependencies.set(this@SynthesizeDependenciesTask.compileDependencies)
       physicalArtifacts.set(this@SynthesizeDependenciesTask.physicalArtifacts)
       explodedJars.set(this@SynthesizeDependenciesTask.explodedJars)
       inlineMembers.set(this@SynthesizeDependenciesTask.inlineMembers)
@@ -106,7 +106,7 @@ abstract class SynthesizeDependenciesTask @Inject constructor(
 
   interface SynthesizeDependenciesParameters : WorkParameters {
     val inMemoryCache: Property<InMemoryCache>
-    val graphView: RegularFileProperty
+    val compileDependencies: RegularFileProperty
     val physicalArtifacts: RegularFileProperty
     val explodedJars: RegularFileProperty
     val inlineMembers: RegularFileProperty
@@ -129,7 +129,7 @@ abstract class SynthesizeDependenciesTask @Inject constructor(
     override fun execute() {
       val outputDir = parameters.outputDir
 
-      val graphView = parameters.graphView.fromJson<DependencyGraphView>()
+      val dependencies = parameters.compileDependencies.fromJson<CoordinatesContainer>().coordinates
       val physicalArtifacts = parameters.physicalArtifacts.fromJsonSet<PhysicalArtifact>()
       val explodedJars = parameters.explodedJars.fromJsonSet<ExplodedJar>()
       val inlineMembers = parameters.inlineMembers.fromJsonSet<InlineMemberDependency>()
@@ -151,15 +151,15 @@ abstract class SynthesizeDependenciesTask @Inject constructor(
 
       // A dependency can appear in the graph even though it's just a .pom (.module) file. E.g., kotlinx-coroutines-core.
       // This is a fallback so all such dependencies have a file written to disk.
-      graphView.nodes.forEach { node ->
+      dependencies.forEach { node ->
         // Do not add dependencies that are already known again
-        val coordinatesAlreadyKnow = builders.values.any {
+        val coordinatesAlreadyKnown = builders.values.any {
           it.coordinates == node ||
-          // If the node is pointing at a project, there might already be an artifact
-          // stored under matching IncludedBuildCoordinates.
-          it.coordinates is IncludedBuildCoordinates && it.coordinates.resolvedProject == node
+            // If the node is pointing at a project, there might already be an artifact
+            // stored under matching IncludedBuildCoordinates.
+            it.coordinates is IncludedBuildCoordinates && it.coordinates.resolvedProject == node
         }
-        if (!coordinatesAlreadyKnow) {
+        if (!coordinatesAlreadyKnown) {
           builders.merge(
             node,
             DependencyBuilder(node),