worked on dot export

src/main/java/kieker/analysis/graph/export/dot/AbstractDotWriter.java

@@ -11,9 +11,9 @@ import kieker.analysis.graph.util.dot.DotWriter;
 
 class AbstractDotWriter extends AbstractTransformer<Void> {
 
-	private final DotWriter dotWriter;
+	protected final DotWriter dotWriter;
 
-	public AbstractDotWriter(final Graph graph, final DotWriter dotWriter) {
+	AbstractDotWriter(final Graph graph, final DotWriter dotWriter) {
 		super(graph);
 		this.dotWriter = dotWriter;
 

src/main/java/kieker/analysis/graph/export/dot/DotWriter2.java

@@ -7,18 +7,13 @@ import kieker.analysis.graph.Direction;
 import kieker.analysis.graph.Edge;
 import kieker.analysis.graph.Graph;
 import kieker.analysis.graph.Vertex;
-import kieker.analysis.graph.export.AbstractTransformer;
 import kieker.analysis.graph.util.dot.DotWriter;
 
 //TODO rename
-public class DotWriter2 extends AbstractTransformer<Void> {
-
-	private final DotWriter dotWriter;
-	private DotSubgraphWriter dotSubgraphWriter;
+public class DotWriter2 extends AbstractDotWriter {
 
 	public DotWriter2(final Graph graph, final Writer writer) {
-		super(graph);
-		this.dotWriter = new DotWriter(writer);
+		super(graph, new DotWriter(writer));
 
 		// TODO Better put this in own method
 		try {