src/main/java/com/mxgraph/layout/hierarchical/model/mxGraphHierarchyEdge.java
public void invert()
	{
		mxGraphHierarchyNode temp = source;
		source = target;
		target = temp;
		isReversed = !isReversed;
	}
/**
	 * Inverts the direction of this internal edge(s)
	 */
Inverts the direction of this internal edge(s)
Inverts the direction of this internal edge ( s )
public void invert()
	{
		mxGraphHierarchyNode temp = source;
		source = target;
		target = temp;
		isReversed = !isReversed;
	}
public void invert ( ) { mxGraphHierarchyNode temp = source ; source = target ; target = temp ; isReversed = ! isReversed ; }
Inverts the direction of this internal edge(s)
Inverts the direction of this internal edge ( s )