public JobEdge getBackwardConnection(final int index) {

		if (index < this.backwardEdges.size()) {
			return this.backwardEdges.get(index);
		}

		return null;
	}
public JobEdge getBackwardConnection ( final int index ) { if ( index < this . backwardEdges . size ( ) ) { return this . backwardEdges . get ( index ) ; } return null ; }
Returns the backward edge with index <code>index</code>.

@param index
the index of the edge
@return the backward edge or <code>null</code> if no edge exists at the specified index