Minor tweak

modules/LayoutPlugin/src/main/java/org/gephi/layout/plugin/force/quadtree/QuadTree.java

@@ -156,7 +156,7 @@ public class QuadTree implements Node {
 
     @Override
     public float z() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     public boolean addNode(NodeProperties node) {
@@ -177,202 +177,212 @@ public class QuadTree implements Node {
 
     @Override
     public float r() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public float g() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public float b() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public int getRGBA() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Color getColor() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public float alpha() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public boolean isFixed() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public <T extends LayoutData> T getLayoutData() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public TextProperties getTextProperties() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public int getStoreId() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setX(float x) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setY(float y) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setZ(float z) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setPosition(float x, float y) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setPosition(float x, float y, float z) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setR(float r) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setG(float g) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setB(float b) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setAlpha(float a) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setColor(Color color) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setSize(float size) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setFixed(boolean fixed) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setLayoutData(LayoutData layoutData) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Object getId() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public String getLabel() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Object getAttribute(String key) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Object getAttribute(Column column) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Object[] getAttributes() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Set<String> getAttributeKeys() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Object removeAttribute(String key) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public Object removeAttribute(Column column) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setLabel(String label) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setAttribute(String key, Object value) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setAttribute(Column column, Object value) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setAttribute(String key, Object value, double timestamp) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void setAttribute(Column column, Object value, double timestamp) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public boolean addTimestamp(double timestamp) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public boolean removeTimestamp(double timestamp) {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public double[] getTimestamps() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     @Override
     public void clearAttributes() {
-        throw new UnsupportedOperationException("Not supported yet.");
+        throw new UnsupportedOperationException("Not supported.");
+    }
+
+    @Override
+    public Object getAttribute(String key, double timestamp) {
+        throw new UnsupportedOperationException("Not supported.");
+    }
+
+    @Override
+    public Object getAttribute(Column column, double timestamp) {
+        throw new UnsupportedOperationException("Not supported.");
     }
 
     class FirstAdd implements AddBehaviour {