code: public JobEdge getForwardConnection(final int index) {
  
  		if (index < this.forwardEdges.size()) {
  			return this.forwardEdges.get(index);
  		}
  
  		return null;
  	}
docs: Returns the forward edge with index <code>index</code>.
  
  @param index
  the index of the edge
  @return the forward edge or <code>null</code> if no edge exists at the specified index.