single table inheritance emulation

gistfile1.java

public class Player {

    protected Long id;

    protected PlayerBehavior behavior;

    protected String name;

    protected String club;

    protected Double battingAverage;

    protected Double bowlingAverage;

    public Long getId() { return id; }
    public void setId(Long id) { this.id = id; }

    public String getName() { return behavior.getName(this); }
    public void setName(String name) { behavior.setName(this, name); }

    public String getClub() { return behavior.getClub(this); }
    public void setClub(String club) { behavior.setClub(this, club); }

    public Double getBattingAverage() { return behavior.getBattingAverage(this); }
    public void setBattingAverage(Double battingAverage) { behavior.setBattingAverage(this, battingAverage); }

    public Double getBowlingAverage() { return behavior.getBowlingAverage(this); }
    public void setBowlingAverage(Double bowlingAverage) { behavior.setBowlingAverage(this, bowlingAverage); }

    public static enum PlayerBehavior {
        PLAYER,
        FOTBALLER {
            @Override
            public String getClub(Player self) { return self.club; }
            @Override
            public void setClub(Player self, String club) { self.club = club; }
        },
        CRICKETER {
            @Override
            public Double getBattingAverage(Player self) { return self.battingAverage; }
            @Override
            public void setBattingAverage(Player self, Double battingAverage) { self.battingAverage = battingAverage; }
        },
        BOWLER {
            @Override
            public Double getBattingAverage(Player self) { return self.battingAverage; }
            @Override
            public void setBattingAverage(Player self, Double battingAverage) { self.battingAverage = battingAverage; }
            @Override
            public Double getBowlingAverage(Player self) { return self.bowlingAverage; }
            @Override
            public void setBowlingAverage(Player self, Double bowlingAverage) { self.bowlingAverage = bowlingAverage; }
        },
        ;

        public String getName(Player self) { return self.name; }
        public void setName(Player self, String name) { self.name = name; }

        public String getClub(Player self) { throw new UnsupportedOperationException(); }
        public void setClub(Player self, String club) { throw new UnsupportedOperationException(); }

        public Double getBattingAverage(Player self) { throw new UnsupportedOperationException(); }
        public void setBattingAverage(Player self, Double battingAverage) { throw new UnsupportedOperationException(); }

        public Double getBowlingAverage(Player self) { throw new UnsupportedOperationException(); }
        public void setBowlingAverage(Player self, Double bowlingAverage) { throw new UnsupportedOperationException(); }
    }
}

gistfile2.java

public class Player {

    protected Long id;

    protected PlayerBehaviorType type;

    protected String name;

    protected String club;

    protected Double battingAverage;

    protected Double bowlingAverage;

    public Long getId() { return id; }
    public void setId(Long id) { this.id = id; }

    public String getName() { return type.getBehavior().getName(this); }
    public void setName(String name) { type.getBehavior().setName(this, name); }

    public String getClub() { return type.getBehavior().getClub(this); }
    public void setClub(String club) { type.getBehavior().setClub(this, club); }

    public Double getBattingAverage() { return type.getBehavior().getBattingAverage(this); }
    public void setBattingAverage(Double battingAverage) { type.getBehavior().setBattingAverage(this, battingAverage); }

    public Double getBowlingAverage() { return type.getBehavior().getBowlingAverage(this); }
    public void setBowlingAverage(Double bowlingAverage) { type.getBehavior().setBowlingAverage(this, bowlingAverage); }

    public static enum PlayerBehaviorType {
        PLAYER(new PlayerBehaviorPlayer()),
        FOTBALLER(new PlayerBehaviorFotballer()),
        CRICKETER(new PlayerBehaviorCricketer()),
        BOWLER(new PlayerBehaviorBowler()),
        ;

        private final PlayerBehavior behavior;
        PlayerBehaviorType(PlayerBehavior behavior) {
            this.behavior = behavior;
        }
        public PlayerBehavior getBehavior() {
            return behavior;
        }
    }

    public interface PlayerBehavior {
        String getName(Player self);
        void setName(Player self, String name);

        String getClub(Player self);
        void setClub(Player self, String club);

        Double getBattingAverage(Player self);
        void setBattingAverage(Player self, Double battingAberage);

        Double getBowlingAverage(Player self);
        void setBowlingAverage(Player self, Double bowlingAberage);
    }

    public static class PlayerBehaviorPlayer implements PlayerBehavior {
        @Override
        public String getName(Player self) { return self.name; }
        @Override
        public void setName(Player self, String name) { self.name = name; }

        @Override
        public String getClub(Player self) { throw new UnsupportedOperationException(); }
        @Override
        public void setClub(Player self, String club) { throw new UnsupportedOperationException(); }

        @Override
        public Double getBattingAverage(Player self) { throw new UnsupportedOperationException(); }
        @Override
        public void setBattingAverage(Player self, Double battingAberage) { throw new UnsupportedOperationException(); }

        @Override
        public Double getBowlingAverage(Player self) { throw new UnsupportedOperationException(); }
        @Override
        public void setBowlingAverage(Player self, Double bowlingAverage) { throw new UnsupportedOperationException(); }
    }

    public static class PlayerBehaviorFotballer extends PlayerBehaviorPlayer {
        @Override
        public String getClub(Player self) { return self.club; }
        @Override
        public void setClub(Player self, String club) { self.club = club; }
    }

    public static class PlayerBehaviorCricketer extends PlayerBehaviorPlayer {
        @Override
        public Double getBattingAverage(Player self) { return self.battingAverage; }
        @Override
        public void setBattingAverage(Player self, Double battingAverage) { self.battingAverage = battingAverage; }
    }

    public static class PlayerBehaviorBowler extends PlayerBehaviorCricketer {
        @Override
        public Double getBowlingAverage(Player self) { return self.bowlingAverage; }
        @Override
        public void setBowlingAverage(Player self, Double bowlingAverage) { self.bowlingAverage = bowlingAverage; }
    }
}