Spark graphx moved to a new project due to a incompatibility of scala compiler

spring-boot-flowable/src/main/java/com/baeldung/domain/Article.java

@@ -0,0 +1,52 @@
+package com.baeldung.domain;
+
+public class Article {
+
+    private String id;
+    private String author;
+    private String url;
+
+    public Article() {
+    }
+
+    public Article(String author, String url) {
+        this.author = author;
+        this.url = url;
+    }
+
+    public Article(String id, String author, String url) {
+        this.id = id;
+        this.author = author;
+        this.url = url;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    @Override
+    public String toString() {
+        return ("[" + this.author + " " + this.url + "]");
+    }
+
+}