Implement removeStop() and find() (2.1.1.1)

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

@@ -3,6 +3,7 @@ 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 org.hibernate.annotations.Cascade;
 
 import javax.persistence.*;
 import java.util.ArrayList;
@@ -35,6 +36,8 @@ public class Rider extends PlatformUser implements IRider {
     @JoinColumn(name = I_PREFERENCES, unique = true)
     private IPreferences preferences;
 
+    @Cascade(org.hibernate.annotations.CascadeType.ALL)
+    @JoinColumn(name = I_TRIP)
     @OneToMany(targetEntity = Trip.class)
     private Collection<ITrip> trips = new ArrayList<>();