public void normalize()

in taverna-workflowmodel-impl/src/main/java/org/apache/taverna/workflowmodel/processor/iteration/impl/IterationStrategyImpl.java [307:342]

27 lines of code
10 McCabe index (conditional complexity)


	public void normalize() {
		boolean finished = false;
		do {
			finished = true;
			@SuppressWarnings("unchecked")
			Enumeration<AbstractIterationStrategyNode> e = getTerminalNode()
					.breadthFirstEnumeration();
			while (e.hasMoreElements() && finished == true) {
				AbstractIterationStrategyNode n = e.nextElement();
				AbstractIterationStrategyNode parent = (AbstractIterationStrategyNode) n
						.getParent();
				// Check whether anything needs doing

				// Check for collation nodes with no children
				if (!(n instanceof NamedInputPortNode) && parent != null
						&& n.getChildCount() == 0) {
					// Remove the node from its parent and set finished to false
					parent.remove(n);
					finished = false;
				} else if (!(n.isLeaf()) && parent != null
						&& n.getChildCount() == 1) {
					/*
					 * Is a collation node with a single child, and therefore
					 * pointless. Replace it with the child node
					 */
					AbstractIterationStrategyNode child = (AbstractIterationStrategyNode) n
							.getChildAt(0);
					// Find the index of the collation node in its parent
					int oldIndex = parent.getIndex(n);
					parent.remove(n);
					parent.insert(child, oldIndex);
					finished = false;
				}
			}
		} while (!finished);
	}