code: boolean isWiredTo(final ExecutionGroupVertex groupVertex) {
  
  		final Iterator<ExecutionGroupEdge> it = this.forwardLinks.iterator();
  		while (it.hasNext()) {
  			final ExecutionGroupEdge edge = it.next();
  			if (edge.getTargetVertex() == groupVertex) {
  				return true;
  			}
  		}
  
  		return false;
  	}
docs: Checks if this group vertex is wired to the given group vertex.
  
  @param groupVertex
  the group vertex to check for
  @return <code>true</code> if there is a wire from the current group vertex to the specified group vertex,
  otherwise <code>false</code>