/**
* Check an insertion move feasibility
*
* @param tour
* @param move
* @return 1 if move is feasible, -1 if the technician does not have the required tools and no
* visit to main depot is planned, -2 if the required tools are not available at this point
*/
private int checkInsFeasibility(ITRSPTour itour, InsertionMove move) {
if (!TRSPTour.class.isAssignableFrom(itour.getClass())) {
TRSPLogging.getOptimizationLogger()
.warn(
String.format(
"ToolsConstraint.checkInsFeasibility: unsupported tour class (%s)",
itour.getClass()));
return 1;
}
TRSPTour tour = (TRSPTour) itour;
InsertionMove m = move;
if (m.isDepotTrip() || !tour.getInstance().isRequest(move.getNodeId())) return 1;
if (!tour.isMainDepotVisited()
&& !m.isDepotTrip()
&& !tour.getInstance().hasRequiredTools(tour.getTechnician().getID(), m.getNodeId()))
return -1;
int pred = m.getInsertionPred();
if (pred == ITRSPTour.UNDEFINED) {
if (tour.getInstance().hasRequiredTools(tour.getTechnician().getID(), m.getNodeId()))
return 1;
else return -2;
} else {
for (int tool : itour.getInstance().getRequest(m.getNodeId()).getToolSet())
if (!tour.isToolAvailable(pred, tool)) return -2;
}
return 1;
}
