allow to specify services in idx

buildSrc/src/main/groovy/nextflow/plugins/GenerateIdxTask.groovy

@@ -2,12 +2,17 @@ package nextflow.plugins
 
 import org.gradle.api.DefaultTask
 import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.provider.ListProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Internal
 import org.gradle.api.tasks.OutputFile
 import org.gradle.api.tasks.TaskAction
 
 
-class GenerateIdxTask extends DefaultTask{
+abstract class GenerateIdxTask extends DefaultTask{
 
+    @Internal
+    abstract ListProperty<String> extensionPoints
 
     @OutputFile
     final abstract RegularFileProperty outputFile =
@@ -20,13 +25,18 @@ class GenerateIdxTask extends DefaultTask{
 
     @TaskAction
     def runTask() {
-        def matcher = new SourcesMatcher(project)
         def output = outputFile.get().asFile
 
+        if( extensionPoints.getOrElse([]).size() ){
+            output.text = extensionPoints.getOrElse([]).join('\n')
+            return
+        }
+
+        def matcher = new SourcesMatcher(project)
         def extensionsClassName = matcher.pluginExtensions
         def traceClassName = matcher.traceObservers
-
-        output.text = (extensionsClassName+traceClassName).join('\n')
+        def all = extensionsClassName+traceClassName
+        output.text = all.join('\n')
     }
 
 }

buildSrc/src/main/groovy/nextflow/plugins/NextflowPlugin.groovy

@@ -18,6 +18,7 @@ class NextflowPlugin implements Plugin<Project>{
             downloadUrl = nextflowPluginExtension.downloadUrl
         })
         target.tasks.register('generateIdx', GenerateIdxTask, {
+            extensionPoints = nextflowPluginExtension.extensionPoints
         })
         target.tasks.findByName("processResources").dependsOn(target.tasks.findByName("generateIdx"))
     }

buildSrc/src/main/groovy/nextflow/plugins/NextflowPluginExtension.groovy

@@ -1,6 +1,7 @@
 package nextflow.plugins
 
 import org.gradle.api.Project
+import org.gradle.api.provider.ListProperty
 import org.gradle.api.provider.Property
 
 class NextflowPluginExtension {
@@ -13,6 +14,8 @@ class NextflowPluginExtension {
 
     final Property<String> pluginClassName
 
+    final ListProperty<String> extensionPoints
+
     final private Project project
 
     NextflowPluginExtension(Project project){
@@ -21,6 +24,7 @@ class NextflowPluginExtension {
         downloadUrl = project.objects.property(String)
         githubOrganization = project.objects.property(String)
         pluginClassName = project.objects.property(String)
+        extensionPoints = project.objects.listProperty(String)
     }
 
     void setNextflowVersion(String nextflowVersion){
@@ -57,4 +61,8 @@ class NextflowPluginExtension {
         this.pluginClassName.set(pluginClassName)
     }
 
+    void setExtensionPoints(List<String> extensions){
+        this.extensionPoints.set(extensions)
+    }
+
 }

gradle.properties

@@ -1 +1 @@
-version=0.3.0
+version=0.4.0

nf-plugin.gradle

@@ -1,7 +1,14 @@
 nextflowPlugin{
     githubOrganization = 'YOUR_GITHUB_ACCOUNT'
+
     // pluginClassName, if not specified, can be calculated by gradle tasks
     // pluginClassName = 'com.nextflow.plugin.ExamplePlugin'
+
+    // GenerateIdx scan your classes and generate the idx.
+    // In case you want to specify which extensions to use you can use extensionPoints
+    extensionPoints = [
+        // i.e 'com.nextflow.plugin.ExampleFunctions'
+    ]
 }
 
 dependencies {