be-graphe/src/main/org/insa/graph/AccessRestrictions.java
2018-03-05 17:55:32 +01:00

109 lines
3.2 KiB
Java

package org.insa.graph;
import java.util.EnumMap;
import java.util.EnumSet;
public class AccessRestrictions {
public enum AccessMode {
// Specific modes
FOOT,
BICYCLE,
SMALL_MOTORCYCLE,
AGRICULTURAL,
MOTORCYCLE,
MOTORCAR,
HEAVY_GOODS,
PUBLIC_TRANSPORT;
// All available modes
public static final EnumSet<AccessMode> ALL = EnumSet.allOf(AccessMode.class);
// Vehicle
public static final EnumSet<AccessMode> VEHICLE = EnumSet.range(AccessMode.BICYCLE,
AccessMode.PUBLIC_TRANSPORT);
// Motor vehicle
public static final EnumSet<AccessMode> MOTOR_VEHICLE = EnumSet
.range(AccessMode.SMALL_MOTORCYCLE, AccessMode.PUBLIC_TRANSPORT);
}
public enum AccessRestriction {
ALLOWED, FORBIDDEN, PRIVATE, DESTINATION, DELIVERY, CUSTOMERS, FORESTRY, UNKNOWN;
// Not private or forbidden
public static final EnumSet<AccessRestriction> ALLOWED_FOR_SOMETHING = EnumSet.of(
AccessRestriction.ALLOWED, AccessRestriction.DESTINATION,
AccessRestriction.DESTINATION, AccessRestriction.DELIVERY,
AccessRestriction.CUSTOMERS, AccessRestriction.FORESTRY);
}
// Map mode -> restriction
private final EnumMap<AccessMode, AccessRestriction> restrictions;
/**
* Create new access restrictions with unknown restrictions.
*/
public AccessRestrictions() {
this.restrictions = new EnumMap<>(AccessMode.class);
for (AccessMode mode: AccessMode.values()) {
this.restrictions.put(mode, AccessRestriction.UNKNOWN);
}
}
/**
* Create a new instance of access restrictions with the given restrictions.
*
* @param restrictions
*/
public AccessRestrictions(EnumMap<AccessMode, AccessRestriction> restrictions) {
this.restrictions = restrictions;
}
/**
* @param mode
*
* @return Restriction for the given mode.
*/
public AccessRestriction getRestrictionFor(AccessMode mode) {
return restrictions.getOrDefault(mode, AccessRestriction.UNKNOWN);
}
/**
* @param mode
* @param restrictions
*
* @return true if the given mode is allowed for any of the given restrictions.
*/
public boolean isAllowedForAny(AccessMode mode, EnumSet<AccessRestriction> restrictions) {
return restrictions.contains(getRestrictionFor(mode));
}
/**
* @param mode
* @param restriction
*
* @return true if the given mode is allowed for the given restriction.
*/
public boolean isAllowedFor(AccessMode mode, AccessRestriction restriction) {
return getRestrictionFor(mode).equals(restriction);
}
/**
* @param modes
* @param restrictions
*
* @return true if all the given modes are allowed for any of the given
* restrictions.
*/
public boolean areAllAllowedForAny(EnumSet<AccessMode> modes,
EnumSet<AccessRestriction> restrictions) {
boolean allowed = true;
for (AccessMode mode: modes) {
allowed = allowed && isAllowedForAny(mode, restrictions);
}
return allowed;
}
}