Examples of org.apache.commons.collections15.iterators.IteratorChain

Package org.apache.commons.collections15.iterators

Examples of org.apache.commons.collections15.iterators.IteratorChain

org.apache.commons.collections15.multimap.MultiHashMap
An IteratorChain is an Iterator that wraps a number of Iterators.
This class makes multiple iterators look like one to the caller When any method from the Iterator interface is called, the IteratorChain will delegate to a single underlying Iterator. The IteratorChain will invoke the Iterators in sequence until all Iterators are exhausted.
Under many circumstances, linking Iterators together in this manner is more efficient (and convenient) than reading out the contents of each Iterator into a List and creating a new Iterator.
Calling a method that adds new Iteratorafter a method in the Iterator interface has been called will result in an UnsupportedOperationException. Subclasses should take care to not alter the underlying List of Iterators.
NOTE: As from version 3.0, the IteratorChain may contain no iterators. In this case the class will function as an empty iterator. @author Morgan Delagrange @author Matt Hall, John Watkinson, Stephen Colebourne @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:24 $ @since Commons Collections 2.1

      vv.getRenderContext().setEdgeDrawPaintTransformer(
            new ChainedTransformer<Edge, Paint>(
                  new Transformer[] { new ConstantTransformer<Paint>(
                        Color.GREEN) }));
      vv.getRenderContext().setEdgeStrokeTransformer(
            new ConstantTransformer(new BasicStroke(2.5f)));
      vv.getRenderer().setEdgeLabelRenderer(new BasicEdgeLabelRenderer());


      vv.setBackground(Color.white);


      // add a listener for ToolTips

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public class TestModelAnalysisUtils extends TestCase{


  
  public void testCreateStateGraph() throws Exception
  {
     ChainedTransformer transformer = new ChainedTransformer( new Transformer[]{ExceptionTransformer.getInstance(), new ChainedTransformer(new Transformer[]{}), new ConstantTransformer("hallo") });
     
     Graph stateGraph = ModelAnalysisBoostUtils.createStateGraph(transformer);
     
     Window display = JungGraphBoostUtils.displayGraph(stateGraph, JFrame.DISPOSE_ON_CLOSE);

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      public String transform(String input) {
        return "<html><center>Vertex<p>"+input;
      }}}));
    vv.getRenderContext().setVertexShapeTransformer(vlasr);
    vv.getRenderContext().setVertexLabelRenderer(new DefaultVertexLabelRenderer(Color.red));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.yellow));
    vv.getRenderContext().setEdgeStrokeTransformer(new ConstantTransformer(new BasicStroke(2.5f)));
    
    // customize the renderer
    vv.getRenderer().setVertexRenderer(new GradientVertexRenderer<String,StringBuffer>(Color.gray, Color.white, true));
    vv.getRenderer().setVertexLabelRenderer(vlasr);

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      else if (object instanceof Enumeration)
         return new EnumerationIterator( (Enumeration) object);
      else if (object instanceof Collection)
         return ((Collection)object).iterator();
      else if (object.getClass().isArray())
         return new ArrayIterator(object);
      else
         return new SingletonIterator(object);
   }

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      else if (object instanceof List)
         return (List) object;
      else if (object instanceof Collection)
         return new ArrayList((Collection)object);
      else if (object.getClass().isArray())
         return toList(new ArrayIterator(object), context);
      else
         return Arrays.asList( object);
         
   }

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      if (object == null)
         return EmptyIterator.getInstance();
      else if (object instanceof Iterator)
         return (Iterator) object;
      else if (object instanceof Enumeration)
         return new EnumerationIterator( (Enumeration) object);
      else if (object instanceof Collection)
         return ((Collection)object).iterator();
      else if (object.getClass().isArray())
         return new ArrayIterator(object);
      else

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   }


   public Enumeration toEnumeration(Object objects, InvocationContext context)
   {
      return new IteratorEnumeration(toIterator(objects, context));
   }

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      else if (object instanceof Collection)
         return ((Collection)object).iterator();
      else if (object.getClass().isArray())
         return new ArrayIterator(object);
      else
         return new SingletonIterator(object);
   }

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  @SuppressWarnings("unchecked")
  private List<InfoSaison> preMergeInfosSaison(
      final List<InfoSaison> infosSaison1,
      final List<InfoSaison> infosSaison2)
  {
    final MultiKeyMap mkMap = new MultiKeyMap();


    preMergeInfosSaison(infosSaison1, mkMap);
    preMergeInfosSaison(infosSaison2, mkMap);


    return new Vector<InfoSaison>(mkMap.values());
  }

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     * Override to return a map other than HashMap as the confirmed map.
     *
     * @return a map that is known to be valid
     */
    public MultiMap makeConfirmedMap() {
        return new MultiHashMap();
    }

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