BE-GRAPH/src/main/org/insa/graph/RoadInformation.java
2018-03-01 13:33:56 +01:00

173 lines
4.1 KiB
Java

package org.insa.graph;
/**
* Class containing information for road that may be shared by multiple arcs.
*
*/
public class RoadInformation {
/**
* Road type.
*/
public enum RoadType {
MOTORWAY,
TRUNK,
PRIMARY,
SECONDARY,
MOTORWAY_LINK,
TRUNK_LINK,
PRIMARY_LINK,
SECONDARY_LINK,
TERTIARY,
RESIDENTIAL,
UNCLASSIFIED,
ROAD,
LIVING_STREET,
SERVICE,
ROUNDABOUT,
COASTLINE
}
/**
* Access mode.
*/
public enum AccessMode {
FOOT, BICYCLE, SMALL_MOTORCYCLE, MOTORCYCLE, MOTORCAR, BUS
}
// Some masks...
@SuppressWarnings("unused")
private static final int MASK_UNKNOWN = 0x01;
private static final int MASK_PRIVATE = 0x02;
@SuppressWarnings("unused")
private static final int MASK_AGRICULTURAL = 0x04;
@SuppressWarnings("unused")
private static final int MASK_SERVICE = 0x08;
private static final int MASK_PUBLIC_TRANSPORT = 0x10;
private static final int MASK_FOOT = 0x01 << 8;
private static final int MASK_BICYCLE = 0x02 << 8;
private static final int MASK_MOTORCYCLE = 0x0C << 8;
private static final int MASK_SMALL_MOTORCYCLE = 0x08 << 8;
private static final int MASK_MOTORCAR = 0x10 << 8;
private static final int MASK_BUS = 0x20 << 8;
// Type of the road (see above).
private final RoadType type;
// Access information
private final int access;
// One way road?
private final boolean oneway;
// Max speed in kilometers per hour.
private final int maxSpeed;
// Name of the road.
private final String name;
public RoadInformation(RoadType roadType, int access, boolean isOneWay, int maxSpeed,
String name) {
this.type = roadType;
this.access = access;
this.oneway = isOneWay;
this.maxSpeed = maxSpeed;
this.name = name;
}
// Access information
/**
* @return true if this is a private road.
*/
public boolean isPrivate() {
return (this.access & MASK_PRIVATE) != 0;
}
/**
* @return true if this road is reserved for public transport.
*/
public boolean isPublicTransport() {
return (this.access & MASK_PUBLIC_TRANSPORT) != 0;
}
/**
* @param mode
*
* @return true if this road is allowed for the specified mode.
*/
public boolean isAllowedFor(AccessMode mode) {
if ((this.access & MASK_UNKNOWN) != 0) {
return true;
}
int maskedAccess = 0;
switch (mode) {
case FOOT:
maskedAccess = access & MASK_FOOT;
break;
case BICYCLE:
maskedAccess = access & MASK_BICYCLE;
break;
case SMALL_MOTORCYCLE:
maskedAccess = access & MASK_SMALL_MOTORCYCLE;
break;
case MOTORCYCLE:
maskedAccess = access & MASK_MOTORCYCLE;
break;
case MOTORCAR:
maskedAccess = access & MASK_MOTORCAR;
break;
case BUS:
maskedAccess = access & MASK_BUS;
break;
}
return maskedAccess != 0;
}
/**
* @return Type of the road.
*/
public RoadType getType() {
return type;
}
/**
* @return true if this is a one-way road.
*/
public boolean isOneWay() {
return oneway;
}
/**
* @return Maximum speed for this road (in kmph).
*/
public int getMaximumSpeed() {
return maxSpeed;
}
/**
* @return Name of the road.
*/
public String getName() {
return name;
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
String typeAsString = "road";
if (getType() == RoadType.COASTLINE) {
typeAsString = "coast";
}
if (getType() == RoadType.MOTORWAY) {
typeAsString = "highway";
}
return typeAsString + " : " + getName() + " " + (isOneWay() ? " (oneway) " : "") + maxSpeed
+ " km/h (max.)";
}
}