test new doclet

build.gradle

@@ -28,7 +28,7 @@ allprojects {
 if (JavaVersion.current().isJava8Compatible()) {
     allprojects {
         tasks.withType(Javadoc) {
-            options.addStringOption('Xdoclint:none', '-quiet')
+            //options.addStringOption('Xdoclint:none', '-quiet')
         }
     }
 }

dependencies.gradle

@@ -39,6 +39,7 @@ ext {
     sqliteJdbcVersion = '3.8.11.2'
     derbyVersion = '10.13.1.1'
     oracleVersion = '19.3.0.0'
+    duckdbVersion = '0.9.2'
 
     junitVersion = '4.12'
     mockFtpServerVersion = '2.7.1'   
@@ -85,6 +86,7 @@ ext {
     sqliteJdbcDependency = [group: 'org.xerial', name: 'sqlite-jdbc', version: sqliteJdbcVersion]
     derbyDependency = [group: 'org.apache.derby', name: 'derby', version: derbyVersion]
     oracleDependency = [ group: 'com.oracle.ojdbc', name: 'ojdbc8', version: oracleVersion]
+    duckdbDependency = [ group: 'org.duckdb', name: 'duckdb_jdbc', version: duckdbVersion]
 
     junitDependency = [ group: 'junit', name: 'junit', version: junitVersion ]
     mockFtpServerDependency = [ group: 'org.mockftpserver', name: 'MockFtpServer', version: mockFtpServerVersion ]

gretl/build.gradle

@@ -121,6 +121,7 @@ dependencies {
     runtimeOnly postgresqlDependency
     runtimeOnly sqliteJdbcDependency
     runtimeOnly derbyDependency
+    runtimeOnly duckdbDependency
 
     testImplementation junitDependency
     testImplementation testContainersDependency
@@ -265,6 +266,17 @@ tasks.withType(Test) {
     systemProperty 's3BucketName', s3BucketName
 }
 
+javadoc {
+    source = sourceSets.main.allJava
+
+    title = null
+    destinationDir = file("./doc/")
+
+    include 'ch/so/agi/gretl/tasks/**'
+    options.doclet = "ch.so.agi.gretl.doclet.GretlDoclet"
+    options.docletpath = [file("/Users/stefan/sources/gretl-doclet/build/libs/gretl-doclet.jar")]    
+}
+
 cyclonedxBom {
    includeConfigs = ["runtimeClasspath"]
    //skipConfigs = ["compileClasspath", "testCompileClasspath"]

gretl/src/main/java/ch/so/agi/gretl/tasks/Db2Db.java

@@ -25,10 +25,19 @@ public class Db2Db extends DefaultTask {
         log = LogEnvironment.getLogger(Db2Db.class);
     }
 
+    /**
+     * Datenbank aus der gelesen werden soll 
+     */
     @Input
     public Connector sourceDb;
+    /**
+     * Datenbank in die geschrieben werden soll 
+     */
     @Input
     public Connector targetDb;
+    /**
+     * Eine Liste von `TransferSet`s
+     */
     @Input
     public List<TransferSet> transferSets;
     @Input