package com.example;

import java.io.Serializable;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table(name = "events")
public class events implements Serializable {
   private static final long serialVersionUID = 1L;

   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   private int eventid;
   @Column(name = "eventdate")
   private Date eventdate;
   @Column(name = "eventplace")
   private String eventplace;
   @Column(name = "eventstatus")
   private boolean status;
   @ManyToMany(mappedBy = "eventSet")
   private Set<user> userliste;

   private sportarten sportart;

   public events() {
   }

   public events(String name) {
      setEventplace(name);
   }

   public events(events search, HashSet<user> hashSet) {
      setUser(hashSet);
   }

   public Set<user> getUser() {
      return userliste;
   }

   public void setUser(Set<user> user) {
      this.userliste = user;
   }

   public void setEventid(int eventid) {
      this.eventid = eventid;
   }

   @ManyToOne  //(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
   @JoinColumn(name="sportart")
   public sportarten getsportart() {
      return sportart;
   }

   public void setsportart(sportarten eventtyp) {
      this.sportart = eventtyp;
   }

   public Set<user> getUserliste() {
      return userliste;
   }

   public void setUserliste(Set<user> userliste) {
      this.userliste = userliste;
   }

   public int getEventid() {
      return eventid;
   }

   public Date getEventdate() {
      return eventdate;
   }

   public void setEventdate(Date eventdate) {
      this.eventdate = eventdate;
   }

   public String getEventplace() {
      return eventplace;
   }

   public void setEventplace(String eventplace) {
      this.eventplace = eventplace;
   }

   public boolean isStatus() {
      return status;
   }

   public void setStatus(boolean status) {
      this.status = status;
   }

}

package com.example;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;

@Entity
@Table(name = "sportarten")
public class sportarten implements Serializable {

   @Id
   @Column(name = "sportart")
   private String Sportart;

   @Column(name = "maxspieler")
   private int maxSpieler;

   @ElementCollection(targetClass = events.class)
   private Set<events> eventinkat;

   public sportarten(String sportart, int maxSpieler, HashSet<events> hashSet) {
      super();
      Sportart = sportart;
      this.maxSpieler = maxSpieler;
      this.eventinkat = hashSet;
   }

   public String getSportart() {
      return Sportart;
   }

   public void setSportart(String sportart) {
      Sportart = sportart;
   }

   public int getMaxSpieler() {
      return maxSpieler;
   }

   public void setMaxSpieler(int maxSpieler) {
      this.maxSpieler = maxSpieler;
   }

   @OneToMany //(targetEntity = events.class, mappedBy = "sportart", fetch = FetchType.EAGER)
   public Set<events> getEventinkat() {
      return eventinkat;
   }

   public void setEventinkat(Set<events> eventListe) {
      this.eventinkat = eventListe;
   }

   public sportarten() {

   }

}