@Override
	public int getEndNode(int arc) {
		final int nodeOffset = getDestinationNodeOffset(arc);
		if (0 == nodeOffset) {
			throw new RuntimeException("This is a terminal arc [" + arc + "]");
		}
		return nodeOffset;
	}
@ Override public int getEndNode ( int arc ) { final int nodeOffset = getDestinationNodeOffset ( arc ) ; if ( 0 == nodeOffset ) { throw new RuntimeException ( "This is a terminal arc [" + arc + "]" ) ; } return nodeOffset ; }
{@inheritDoc}