diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Organization.java b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Organization.java
new file mode 100644
index 0000000..ed28961
--- /dev/null
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Organization.java
@@ -0,0 +1,101 @@
+package dst.ass1.jpa.model.impl;
+
+import dst.ass1.jpa.model.IEmployment;
+import dst.ass1.jpa.model.IOrganization;
+import dst.ass1.jpa.model.IVehicle;
+
+import javax.persistence.*;
+import java.util.Collection;
+
+@Entity
+public class Organization implements IOrganization {
+    @Id
+    @GeneratedValue(strategy = GenerationType.SEQUENCE)
+    private Long id;
+    private String name;
+    @ManyToMany
+    private Collection<IOrganization> parts;
+
+    public Organization() {
+    }
+
+    @Override
+    public Long getId() {
+        return null;
+    }
+
+    @Override
+    public void setId(Long id) {
+
+    }
+
+    @Override
+    public String getName() {
+        return null;
+    }
+
+    @Override
+    public void setName(String name) {
+
+    }
+
+    @Override
+    public Collection<IOrganization> getParts() {
+        return null;
+    }
+
+    @Override
+    public void setParts(Collection<IOrganization> parts) {
+
+    }
+
+    @Override
+    public void addPart(IOrganization part) {
+
+    }
+
+    @Override
+    public Collection<IOrganization> getPartOf() {
+        return null;
+    }
+
+    @Override
+    public void setPartOf(Collection<IOrganization> partOf) {
+
+    }
+
+    @Override
+    public void addPartOf(IOrganization partOf) {
+
+    }
+
+    @Override
+    public Collection<IEmployment> getEmployments() {
+        return null;
+    }
+
+    @Override
+    public void setEmployments(Collection<IEmployment> employments) {
+
+    }
+
+    @Override
+    public void addEmployment(IEmployment employment) {
+
+    }
+
+    @Override
+    public Collection<IVehicle> getVehicles() {
+        return null;
+    }
+
+    @Override
+    public void setVehicles(Collection<IVehicle> vehicles) {
+
+    }
+
+    @Override
+    public void addVehicle(IVehicle vehicle) {
+
+    }
+}
diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Preferences.java b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Preferences.java
new file mode 100644
index 0000000..a0ad143
--- /dev/null
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Preferences.java
@@ -0,0 +1,45 @@
+package dst.ass1.jpa.model.impl;
+
+import dst.ass1.jpa.model.IPreferences;
+import dst.ass1.jpa.model.IRider;
+
+import javax.persistence.FetchType;
+import javax.persistence.Id;
+import javax.persistence.MapsId;
+import javax.persistence.OneToOne;
+import java.util.Map;
+
+public class Preferences implements IPreferences {
+    @Id
+    private Long id;
+    private Map<String, String> data;
+
+    @OneToOne(fetch = FetchType.LAZY)
+    @MapsId
+    private IRider rider;
+
+    @Override
+    public Long getId() {
+        return id;
+    }
+
+    @Override
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    @Override
+    public Map<String, String> getData() {
+        return data;
+    }
+
+    @Override
+    public void setData(Map<String, String> data) {
+        this.data = data;
+    }
+
+    @Override
+    public void putData(String key, String value) {
+        data.put(key, value);
+    }
+}
diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Rider.java b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Rider.java
new file mode 100644
index 0000000..382fc5c
--- /dev/null
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Rider.java
@@ -0,0 +1,126 @@
+package dst.ass1.jpa.model.impl;
+
+import dst.ass1.jpa.model.IPreferences;
+import dst.ass1.jpa.model.IRider;
+import dst.ass1.jpa.model.ITrip;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.validation.constraints.NotNull;
+import java.util.Collection;
+
+@Entity
+public class Rider implements IRider {
+    @Id
+    private Long id;
+    private String name;
+    @NotNull
+    private String tel;
+    private Double avgRating;
+    private Collection<ITrip> trips;
+
+    @Override
+    public Long getId() {
+        return id;
+    }
+
+    @Override
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String getTel() {
+        return null;
+    }
+
+    @Override
+    public void setTel(String tel) {
+        this.tel = tel;
+    }
+
+    @Override
+    public Double getAvgRating() {
+        return avgRating;
+    }
+
+    @Override
+    public void setAvgRating(Double avgRating) {
+        this.avgRating = avgRating;
+    }
+
+    @Override
+    public String getEmail() {
+        return null;
+    }
+
+    @Override
+    public void setEmail(String email) {
+
+    }
+
+    @Override
+    public byte[] getPassword() {
+        return new byte[0];
+    }
+
+    @Override
+    public void setPassword(byte[] password) {
+
+    }
+
+    @Override
+    public String getAccountNo() {
+        return null;
+    }
+
+    @Override
+    public void setAccountNo(String accountNo) {
+
+    }
+
+    @Override
+    public String getBankCode() {
+        return null;
+    }
+
+    @Override
+    public void setBankCode(String bankCode) {
+
+    }
+
+    @Override
+    public IPreferences getPreferences() {
+        return null;
+    }
+
+    @Override
+    public void setPreferences(IPreferences preferences) {
+
+    }
+
+    @Override
+    public Collection<ITrip> getTrips() {
+        return trips;
+    }
+
+    @Override
+    public void setTrips(Collection<ITrip> trips) {
+        this.trips = trips;
+    }
+
+    @Override
+    public void addTrip(ITrip trip) {
+        this.trips.add(trip);
+    }
+}
diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Trip.java b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Trip.java
new file mode 100644
index 0000000..ebfcedb
--- /dev/null
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/Trip.java
@@ -0,0 +1,129 @@
+package dst.ass1.jpa.model.impl;
+
+import dst.ass1.jpa.model.*;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import java.util.Collection;
+import java.util.Date;
+
+@Entity
+public class Trip implements ITrip {
+    @Id
+    private Long id;
+    private Date created;
+    private Date updated;
+    private TripState state;
+    private ILocation pickup;
+    private ILocation destination;
+
+    private Collection<ILocation> stops;
+    private ITripInfo tripInfo;
+    private IMatch match;
+    private IRider rider;
+
+    @Override
+    public Long getId() {
+        return id;
+    }
+
+    @Override
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    @Override
+    public Date getCreated() {
+        return created;
+    }
+
+    @Override
+    public void setCreated(Date created) {
+        this.created = created;
+    }
+
+    @Override
+    public Date getUpdated() {
+        return updated;
+    }
+
+    @Override
+    public void setUpdated(Date updated) {
+        this.updated = updated;
+    }
+
+    @Override
+    public TripState getState() {
+        return state;
+    }
+
+    @Override
+    public void setState(TripState state) {
+        this.state = state;
+    }
+
+    @Override
+    public ILocation getPickup() {
+        return pickup;
+    }
+
+    @Override
+    public void setPickup(ILocation pickup) {
+        this.pickup = pickup;
+    }
+
+    @Override
+    public ILocation getDestination() {
+        return destination;
+    }
+
+    @Override
+    public void setDestination(ILocation destination) {
+        this.destination = destination;
+    }
+
+    @Override
+    public Collection<ILocation> getStops() {
+        return stops;
+    }
+
+    @Override
+    public void setStops(Collection<ILocation> stops) {
+        this.stops = stops;
+    }
+
+    @Override
+    public void addStop(ILocation stop) {
+        this.stops.add(stop);
+    }
+
+    @Override
+    public ITripInfo getTripInfo() {
+        return tripInfo;
+    }
+
+    @Override
+    public void setTripInfo(ITripInfo tripInfo) {
+        this.tripInfo = tripInfo;
+    }
+
+    @Override
+    public IMatch getMatch() {
+        return match;
+    }
+
+    @Override
+    public void setMatch(IMatch match) {
+        this.match = match;
+    }
+
+    @Override
+    public IRider getRider() {
+        return rider;
+    }
+
+    @Override
+    public void setRider(IRider rider) {
+        this.rider = rider;
+    }
+}
diff --git a/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/TripInfo.java b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/TripInfo.java
new file mode 100644
index 0000000..9abd603
--- /dev/null
+++ b/ass1-jpa/src/main/java/dst/ass1/jpa/model/impl/TripInfo.java
@@ -0,0 +1,94 @@
+package dst.ass1.jpa.model.impl;
+
+import dst.ass1.jpa.model.IMoney;
+import dst.ass1.jpa.model.ITrip;
+import dst.ass1.jpa.model.ITripInfo;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+import java.util.Date;
+
+@Entity
+public class TripInfo implements ITripInfo {
+   @Id
+   private Long id;
+   private Date completed;
+   private Double distance;
+   private IMoney total;
+   private Integer driverRating;
+   private Integer riderRating;
+
+   @OneToOne
+   private ITrip trip;
+
+    @Override
+    public Long getId() {
+        return id;
+    }
+
+    @Override
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    @Override
+    public Date getCompleted() {
+        return completed;
+    }
+
+    @Override
+    public void setCompleted(Date date) {
+        this.completed = date;
+    }
+
+    @Override
+    public Double getDistance() {
+        return distance;
+    }
+
+    @Override
+    public void setDistance(Double distance) {
+        this.distance = distance;
+    }
+
+    @Override
+    public IMoney getTotal() {
+        return total;
+    }
+
+    @Override
+    public void setTotal(IMoney money) {
+        this.total = money;
+    }
+
+    @Override
+    public Integer getDriverRating() {
+        return driverRating;
+    }
+
+    @Override
+    public void setDriverRating(Integer driverRating) {
+        this.driverRating = driverRating;
+    }
+
+    @Override
+    public Integer getRiderRating() {
+        return riderRating;
+    }
+
+    @Override
+    public void setRiderRating(Integer riderRating) {
+        this.riderRating = riderRating;
+    }
+
+    @Override
+    public ITrip getTrip() {
+        return trip;
+    }
+
+    @Override
+    public void setTrip(ITrip trip) {
+        this.trip = trip;
+    }
+}