Add template for assignment 1

ass1-jpa/src/main/java/dst/ass1/jpa/dao/GenericDAO.java

@@ -0,0 +1,9 @@
+package dst.ass1.jpa.dao;
+
+import java.util.List;
+
+public interface GenericDAO<T> {
+    T findById(Long id);
+
+    List<T> findAll();
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IDAOFactory.java

@@ -0,0 +1,23 @@
+package dst.ass1.jpa.dao;
+
+public interface IDAOFactory {
+
+    IDriverDAO createDriverDAO();
+
+    IEmploymentDAO createEmploymentDAO();
+
+    ILocationDAO createLocationDAO();
+
+    IMatchDAO createMatchDAO();
+
+    IOrganizationDAO createOrganizationDAO();
+
+    IRiderDAO createRiderDAO();
+
+    ITripDAO createTripDAO();
+
+    ITripInfoDAO createTripInfoDAO();
+
+    IVehicleDAO createVehicleDAO();
+
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IDriverDAO.java

@@ -0,0 +1,19 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.IDriver;
+
+import java.util.Collection;
+
+public interface IDriverDAO extends GenericDAO<IDriver> {
+
+
+    /**
+     * Find all drivers that have active employments (active at least one month) in more than the given number
+     * of organizations
+     *
+     * @param numberOfOrganizations number of organizations
+     * @return a collection containing drivers
+     */
+    Collection<IDriver> findActiveInMultipleOrganizationsDrivers(Long numberOfOrganizations);
+
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IEmploymentDAO.java

@@ -0,0 +1,6 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.IEmployment;
+
+public interface IEmploymentDAO extends GenericDAO<IEmployment> {
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/ILocationDAO.java

@@ -0,0 +1,16 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.ILocation;
+
+import java.util.Collection;
+
+public interface ILocationDAO extends GenericDAO<ILocation> {
+
+    /**
+     * Finds all distinct Location.locationId that have been reached as a Trip destination or additional
+     * stops. Only takes completed trips in account.
+     *
+     * @return a list containing Location.locationIds
+     */
+    Collection<Long> findReachedLocationIds();
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IMatchDAO.java

@@ -0,0 +1,6 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.IMatch;
+
+public interface IMatchDAO extends GenericDAO<IMatch> {
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IOrganizationDAO.java

@@ -0,0 +1,6 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.IOrganization;
+
+public interface IOrganizationDAO extends GenericDAO<IOrganization> {
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IRiderDAO.java

@@ -0,0 +1,33 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.IMoney;
+import dst.ass1.jpa.model.IRider;
+
+import java.util.Map;
+
+public interface IRiderDAO extends GenericDAO<IRider> {
+
+
+    /**
+     * Returns the rider associated with the given email. Returns null if the email does not exist.
+     *
+     * @param email the email address
+     * @return the rider or null
+     */
+    IRider findByEmail(String email);
+
+    /**
+     * Gets the total travel distance of the rider with the most recently completed trip
+     *
+     * @return the total distance the rider has travelled
+     */
+    Double getTotalDistanceOfMostRecentRider();
+
+    /**
+     * Finds for each Rider, who has completed at least one trip in the past 30 days, the sum of their total
+     * spendings of the past 30 days.
+     *
+     * @return a map containing each rider, and the money grouped by their currency.
+     */
+    Map<IRider, Map<String, IMoney>> getRecentSpending();
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/ITripDAO.java

@@ -0,0 +1,18 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.ITrip;
+
+import java.util.Collection;
+import java.util.Date;
+
+public interface ITripDAO extends GenericDAO<ITrip> {
+
+    /**
+     * Find all canceled trips that were created in the given date range.
+     *
+     * @param start start of the date range
+     * @param end   end of the date range
+     * @return the cancelled trips
+     */
+    Collection<ITrip> findCancelledTrips(Date start, Date end);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/ITripInfoDAO.java

@@ -0,0 +1,6 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.ITripInfo;
+
+public interface ITripInfoDAO extends GenericDAO<ITripInfo> {
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/IVehicleDAO.java

@@ -0,0 +1,6 @@
+package dst.ass1.jpa.dao;
+
+import dst.ass1.jpa.model.IVehicle;
+
+public interface IVehicleDAO extends GenericDAO<IVehicle> {
+}

ass1-jpa/src/main/java/dst/ass1/jpa/dao/impl/DAOFactory.java

@@ -0,0 +1,74 @@
+package dst.ass1.jpa.dao.impl;
+
+import dst.ass1.jpa.dao.*;
+
+import javax.persistence.EntityManager;
+
+public class DAOFactory implements IDAOFactory {
+
+    /*
+     * HINT: When using the org.hibernate.Session in your DAOs you can extract it from the EntityManager reference with
+     * e.g., em.unwrap(org.hibernate.Session.class). Do not store this org.hibernate.Session in your DAOs, but unwrap it
+     * every time you actually need it.
+     */
+
+    private EntityManager em;
+
+    public DAOFactory(EntityManager em) {
+        this.em = em;
+    }
+
+    @Override
+    public IDriverDAO createDriverDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IEmploymentDAO createEmploymentDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public ILocationDAO createLocationDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IMatchDAO createMatchDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IOrganizationDAO createOrganizationDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IRiderDAO createRiderDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public ITripDAO createTripDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public ITripInfoDAO createTripInfoDAO() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IVehicleDAO createVehicleDAO() {
+        // TODO
+        return null;
+    }
+}

ass1-jpa/src/main/java/dst/ass1/jpa/interceptor/SQLInterceptor.java

@@ -0,0 +1,33 @@
+package dst.ass1.jpa.interceptor;
+
+import org.hibernate.EmptyInterceptor;
+
+public class SQLInterceptor extends EmptyInterceptor {
+
+    private static final long serialVersionUID = -3082243834965597947L;
+
+    public static void resetCounter() {
+        // TODO
+    }
+
+    public static int getSelectCount() {
+        // TODO
+        return -1;
+    }
+
+    /**
+     * If the verbose argument is set, the interceptor prints the intercepted SQL statements to System.out.
+     *
+     * @param verbose whether or not to be verbose
+     */
+    public static void setVerbose(boolean verbose) {
+        // TODO
+    }
+
+    @Override
+    public String onPrepareStatement(String sql) {
+        // TODO
+        return sql;
+    }
+
+}

ass1-jpa/src/main/java/dst/ass1/jpa/listener/DefaultListener.java

@@ -0,0 +1,44 @@
+package dst.ass1.jpa.listener;
+
+
+public class DefaultListener {
+
+    // TODO
+
+    public static int getLoadOperations() {
+        // TODO
+        return -1;
+    }
+
+    public static int getUpdateOperations() {
+        // TODO
+        return -1;
+    }
+
+    public static int getRemoveOperations() {
+        // TODO
+        return -1;
+    }
+
+    public static int getPersistOperations() {
+        // TODO
+        return -1;
+    }
+
+    public static long getOverallTimeToPersist() {
+        // TODO
+        return -1;
+    }
+
+    public static double getAverageTimeToPersist() {
+        // TODO
+        return -1;
+    }
+
+    /**
+     * Clears the internal data structures that are used for storing the operations.
+     */
+    public static void clear() {
+        // TODO
+    }
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IDriver.java

@@ -0,0 +1,17 @@
+package dst.ass1.jpa.model;
+
+import java.util.Collection;
+
+public interface IDriver extends IPlatformUser {
+
+    Collection<IEmployment> getEmployments();
+
+    void setEmployments(Collection<IEmployment> employments);
+
+    void addEmployment(IEmployment employment);
+
+    IVehicle getVehicle();
+
+    void setVehicle(IVehicle vehicle);
+
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IEmployment.java

@@ -0,0 +1,18 @@
+package dst.ass1.jpa.model;
+
+import java.util.Date;
+
+public interface IEmployment {
+
+    IEmploymentKey getId();
+
+    void setId(IEmploymentKey employmentKey);
+
+    Date getSince();
+
+    void setSince(Date since);
+
+    Boolean isActive();
+
+    void setActive(Boolean active);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IEmploymentKey.java

@@ -0,0 +1,12 @@
+package dst.ass1.jpa.model;
+
+public interface IEmploymentKey {
+
+    IDriver getDriver();
+
+    void setDriver(IDriver driver);
+
+    IOrganization getOrganization();
+
+    void setOrganization(IOrganization organization);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/ILocation.java

@@ -0,0 +1,16 @@
+package dst.ass1.jpa.model;
+
+public interface ILocation {
+
+    Long getId();
+
+    void setId(Long id);
+
+    String getName();
+
+    void setName(String name);
+
+    Long getLocationId();
+
+    void setLocationId(Long locationId);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IMatch.java

@@ -0,0 +1,30 @@
+package dst.ass1.jpa.model;
+
+import java.util.Date;
+
+public interface IMatch {
+
+    Long getId();
+
+    void setId(Long id);
+
+    Date getDate();
+
+    void setDate(Date date);
+
+    IMoney getFare();
+
+    void setFare(IMoney money);
+
+    ITrip getTrip();
+
+    void setTrip(ITrip trip);
+
+    IVehicle getVehicle();
+
+    void setVehicle(IVehicle vehicle);
+
+    IDriver getDriver();
+
+    void setDriver(IDriver driver);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IModelFactory.java

@@ -0,0 +1,30 @@
+package dst.ass1.jpa.model;
+
+public interface IModelFactory {
+
+    IModelFactory createModelFactory();
+
+    IDriver createDriver();
+
+    IEmployment createEmployment();
+
+    IEmploymentKey createEmploymentKey();
+
+    ILocation createLocation();
+
+    IMatch createMatch();
+
+    IMoney createMoney();
+
+    IOrganization createOrganization();
+
+    IRider createRider();
+
+    IPreferences createPreferences();
+
+    ITrip createTrip();
+
+    ITripInfo createTripInfo();
+
+    IVehicle createVehicle();
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IMoney.java

@@ -0,0 +1,14 @@
+package dst.ass1.jpa.model;
+
+import java.math.BigDecimal;
+
+public interface IMoney {
+
+    String getCurrency();
+
+    void setCurrency(String currency);
+
+    BigDecimal getValue();
+
+    void setValue(BigDecimal value);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IOrganization.java

@@ -0,0 +1,38 @@
+package dst.ass1.jpa.model;
+
+import java.util.Collection;
+
+public interface IOrganization {
+
+    Long getId();
+
+    void setId(Long id);
+
+    String getName();
+
+    void setName(String name);
+
+    Collection<IOrganization> getParts();
+
+    void setParts(Collection<IOrganization> parts);
+
+    void addPart(IOrganization part);
+
+    Collection<IOrganization> getPartOf();
+
+    void setPartOf(Collection<IOrganization> partOf);
+
+    void addPartOf(IOrganization partOf);
+
+    Collection<IEmployment> getEmployments();
+
+    void setEmployments(Collection<IEmployment> employments);
+
+    void addEmployment(IEmployment employment);
+
+    Collection<IVehicle> getVehicles();
+
+    void setVehicles(Collection<IVehicle> vehicles);
+
+    void addVehicle(IVehicle vehicle);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IPlatformUser.java

@@ -0,0 +1,20 @@
+package dst.ass1.jpa.model;
+
+public interface IPlatformUser {
+
+    Long getId();
+
+    void setId(Long id);
+
+    String getName();
+
+    void setName(String name);
+
+    String getTel();
+
+    void setTel(String tel);
+
+    Double getAvgRating();
+
+    void setAvgRating(Double avgRating);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IPreferences.java

@@ -0,0 +1,16 @@
+package dst.ass1.jpa.model;
+
+import java.util.Map;
+
+public interface IPreferences {
+
+    Long getId();
+
+    void setId(Long id);
+
+    Map<String, String> getData();
+
+    void setData(Map<String, String> data);
+
+    void putData(String key, String value);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IRider.java

@@ -0,0 +1,32 @@
+package dst.ass1.jpa.model;
+
+import java.util.Collection;
+
+public interface IRider extends IPlatformUser {
+
+    String getEmail();
+
+    void setEmail(String email);
+
+    byte[] getPassword();
+
+    void setPassword(byte[] password);
+
+    String getAccountNo();
+
+    void setAccountNo(String accountNo);
+
+    String getBankCode();
+
+    void setBankCode(String bankCode);
+
+    IPreferences getPreferences();
+
+    void setPreferences(IPreferences preferences);
+
+    Collection<ITrip> getTrips();
+
+    void setTrips(Collection<ITrip> trips);
+
+    void addTrip(ITrip trip);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/ITrip.java

@@ -0,0 +1,49 @@
+package dst.ass1.jpa.model;
+
+import java.util.Collection;
+import java.util.Date;
+
+public interface ITrip {
+
+    Long getId();
+
+    void setId(Long id);
+
+    Date getCreated();
+
+    void setCreated(Date created);
+
+    Date getUpdated();
+
+    void setUpdated(Date updated);
+
+    TripState getState();
+
+    void setState(TripState state);
+
+    ILocation getPickup();
+
+    void setPickup(ILocation pickup);
+
+    ILocation getDestination();
+
+    void setDestination(ILocation destination);
+
+    Collection<ILocation> getStops();
+
+    void setStops(Collection<ILocation> stops);
+
+    void addStop(ILocation stop);
+
+    ITripInfo getTripInfo();
+
+    void setTripInfo(ITripInfo tripInfo);
+
+    IMatch getMatch();
+
+    void setMatch(IMatch match);
+
+    IRider getRider();
+
+    void setRider(IRider rider);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/ITripInfo.java

@@ -0,0 +1,35 @@
+package dst.ass1.jpa.model;
+
+import java.util.Date;
+
+public interface ITripInfo {
+
+    Long getId();
+
+    void setId(Long id);
+
+    Date getCompleted();
+
+    void setCompleted(Date date);
+
+    Double getDistance();
+
+    void setDistance(Double distance);
+
+    IMoney getTotal();
+
+    void setTotal(IMoney money);
+
+    Integer getDriverRating();
+
+    void setDriverRating(Integer driverRating);
+
+    Integer getRiderRating();
+
+    void setRiderRating(Integer riderRating);
+
+    ITrip getTrip();
+
+    void setTrip(ITrip trip);
+
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/IVehicle.java

@@ -0,0 +1,20 @@
+package dst.ass1.jpa.model;
+
+public interface IVehicle {
+
+    Long getId();
+
+    void setId(Long id);
+
+    String getLicense();
+
+    void setLicense(String license);
+
+    String getColor();
+
+    void setColor(String color);
+
+    String getType();
+
+    void setType(String type);
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/TripState.java

@@ -0,0 +1,5 @@
+package dst.ass1.jpa.model;
+
+public enum TripState {
+    CREATED, QUEUED, MATCHED, APPROACHING, IN_PROGRESS, CANCELLED, COMPLETED
+}

ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/ModelFactory.java

@@ -0,0 +1,87 @@
+package dst.ass1.jpa.model.impl;
+
+import dst.ass1.jpa.model.*;
+
+/**
+ * Creates new instances of your model implementations.
+ */
+public class ModelFactory implements IModelFactory {
+
+    @Override
+    public IModelFactory createModelFactory() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IDriver createDriver() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IEmployment createEmployment() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IEmploymentKey createEmploymentKey() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public ILocation createLocation() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IMatch createMatch() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IMoney createMoney() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IOrganization createOrganization() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IRider createRider() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IPreferences createPreferences() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public ITrip createTrip() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public ITripInfo createTripInfo() {
+        // TODO
+        return null;
+    }
+
+    @Override
+    public IVehicle createVehicle() {
+        // TODO
+        return null;
+    }
+}

ass1-jpa/src/main/java/dst/ass1/jpa/util/Constants.java

@@ -0,0 +1,121 @@
+package dst.ass1.jpa.util;
+
+public final class Constants {
+
+    public static final String JPA_PERSISTENCE_UNIT = "dst_pu";
+
+    /* TYPES (CLASSES) */
+    public static final String T_DRIVER = "Driver";
+    public static final String T_EMPLOYMENT = "Employment";
+    public static final String T_LOCATION = "Location";
+    public static final String T_MATCH = "Match";
+    public static final String T_ORGANIZATION = "Organization";
+    public static final String T_PREFERENCES = "Preferences";
+    public static final String T_RIDER = "Rider";
+    public static final String T_TRIP = "Trip";
+    public static final String T_TRIP_INFO = "TripInfo";
+    public static final String T_VEHICLE = "Vehicle";
+
+    /* IDs (FOREIGN KEYS) */
+    public static final String I_DRIVER = "driver_id";
+    public static final String I_EMPLOYMENT = "employment_id";
+    public static final String I_LOCATION = "location_id";
+    public static final String I_MATCH = "match_id";
+    public static final String I_ORGANIZATION = "organization_id";
+    public static final String I_ORGANIZATION_PART_OF = "partOfOrganization_id";
+    public static final String I_ORGANIZATION_PARTS = "partsOrganization_id";
+    public static final String I_PREFERENCES = "preferences_id";
+    public static final String I_RIDER = "rider_id";
+    public static final String I_TRIP = "trip_id";
+    public static final String I_TRIP_INFO = "tripInfo_id";
+    public static final String I_VEHICLE = "vehicle_id";
+    public static final String I_VEHICLES = "vehicles_id";
+
+    public static final String I_DESTINATION = "destination_id";
+    public static final String I_PICKUP = "pickup_id";
+    public static final String I_STOPS = "stops_id";
+
+
+    /* MEMBER ATTRIBUTES */
+
+
+    public static final String M_DRIVER_TEL = "tel";
+    public static final String M_DRIVER_ORGANIZATIONS = "organizations";
+    public static final String M_DRIVER_EMPLOYMENTS = "employments";
+    public static final String M_DRIVER_VEHICLE = "vehicle";
+    public static final String M_DRIVER_NAME = "name";
+    public static final String M_DRIVER_AVG_RATING = "avgRating";
+    public static final String M_EMPLOYMENT_SINCE = "since";
+    public static final String M_EMPLOYMENT_ACTIVE = "active";
+    public static final String M_LOCATION_LOCATION_ID = "locationId";
+    public static final String M_LOCATION_GEO = "geo";
+    public static final String M_LOCATION_NAME = "name";
+    public static final String M_MATCH_DATE = "date";
+    public static final String M_MATCH_FARE = "fare";
+    public static final String M_MATCH_TRIP = "trip";
+    public static final String M_MATCH_VEHICLE = "vehicle";
+    public static final String M_MATCH_DRIVER = "driver";
+    public static final String M_ORGANIZATION_NAME = "name";
+    public static final String M_ORGANIZATION_EMPLOYMENTS = "employments";
+    public static final String M_ORGANIZATION_PARTS = "parts";
+    public static final String M_ORGANIZATION_DRIVERS = "drivers";
+    public static final String M_PREFERENCES_DATA = "data";
+    public static final String M_RIDER_BANK_CODE = "bankCode";
+    public static final String M_RIDER_EMAIL = "email";
+    public static final String M_RIDER_PASSWORD = "password";
+    public static final String M_RIDER_TEL = "tel";
+    public static final String M_RIDER_ACCOUNT = "accountNo";
+    public static final String M_RIDER_PREFERENCES = "preferences";
+    public static final String M_RIDER_TRIPS = "trips";
+    public static final String M_RIDER_NAME = "name";
+    public static final String M_RIDER_AVG_RATING = "avgRating";
+    public static final String M_TRIP_STOPS = "stops";
+    public static final String M_TRIP_STATE = "state";
+    public static final String M_TRIP_CREATED = "created";
+    public static final String M_TRIP_UPDATED = "updated";
+    public static final String M_TRIP_PICKUP = "pickup";
+    public static final String M_TRIP_DESTINATION = "destination";
+    public static final String M_TRIP_TRIP_INFO = "tripInfo";
+    public static final String M_TRIP_MATCH = "match";
+    public static final String M_TRIP_RIDER = "rider";
+    public static final String M_TRIP_INFO_COMPLETED = "completed";
+    public static final String M_TRIP_INFO_TOTAL = "total";
+    public static final String M_TRIP_INFO_DISTANCE = "distance";
+    public static final String M_TRIP_INFO_TRIP = "trip";
+    public static final String M_TRIP_INFO_DRIVER_RATING = "driverRating";
+    public static final String M_TRIP_INFO_RIDER_RATING = "riderRating";
+    public static final String M_VEHICLE_LICENSE = "license";
+    public static final String M_VEHICLE_COLOR = "color";
+    public static final String M_VEHICLE_TYPE = "type";
+
+
+    /* ASSOCIATION NAMES (FOR QUERIES) */
+    public static final String A_TRIP_INFO = "tripInfo";
+    public static final String A_TRIP = "trip";
+    public static final String A_RIDER = "rider";
+
+    /* NAMED QUERIES */
+    public static final String Q_RIDER_BY_EMAIL = "riderByEmail";
+    public static final String Q_ACTIVE_IN_MULITIPLE_ORGANIZATIONS_DRIVERS = "activeInMultipleOrganizationsDrivers";
+    public static final String Q_REACHED_LOCATIONS = "reachedLocations";
+    public static final String Q_SUM_DISTANCE_MOST_RECENT_TRIP = "sumDistanceOfRiderWithMostRecentTrip";
+
+    /* JOIN TABLES */
+    public static final String J_ORGANIZATION_VEHICLE = "organization_vehicle";
+    public static final String J_ORGANIZATION_PARTS = "organization_parts";
+    public static final String J_DRIVER_ORGANIZATION = "driver_organization";
+    public static final String J_PREFERENCES_DATA = "preferences_data";
+    public static final String J_DRIVER_EMPLOYMENT = "driver_employment";
+    public static final String J_ORGANIZATION_EMPLOYMENT = "organization_employment";
+    public static final String J_TRIP_LOCATION = "trip_location";
+    public static final String J_DRIVER_VEHICLE = "driver_vehicle";
+
+    /* MONGODB */
+    public static final String MONGO_DB_NAME = "dst";
+    public static final String COLL_LOCATION_DATA = "LocationData";
+
+
+    private Constants() {
+        // final
+    }
+}