content: package com.iluwatar.servicelayer.spellbook;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import javax.persistence.CascadeType;
  import javax.persistence.Column;
  import javax.persistence.Entity;
  import javax.persistence.GeneratedValue;
  import javax.persistence.Id;
  import javax.persistence.ManyToMany;
  import javax.persistence.OneToMany;
  import javax.persistence.Table;
  
  import com.iluwatar.servicelayer.common.BaseEntity;
  import com.iluwatar.servicelayer.servicelayer.spell.Spell;
  import com.iluwatar.servicelayer.wizard.Wizard;
  
  /**
   * 
   * Spellbook entity.
   *
   */
  @Entity
  @Table(name="SPELLBOOK")
  public class Spellbook extends BaseEntity {
  	
  	public Spellbook() {
  		spells = new HashSet<Spell>();
  		wizards = new HashSet<Wizard>();
  	}
  	
  	public Spellbook(String name) {
  		this();
  		this.name = name;
  	}
  
  	@Id
  	@GeneratedValue
  	@Column(name = "SPELLBOOK_ID")
  	private Long id;
  
  	public Long getId() {
  		return id;
  	}
  
  	public void setId(Long id) {
  		this.id = id;
  	}
  	
  	private String name;
  
  	@ManyToMany(mappedBy = "spellbooks")
  	private Set<Wizard> wizards;
  
  	@OneToMany(mappedBy = "spellbook", orphanRemoval = true, cascade = CascadeType.ALL)
  	private Set<Spell> spells;
  	
  	public String getName() {
  		return name;
  	}
  
  	public void setName(String name) {
  		this.name = name;
  	}
  
  	public Set<Wizard> getWizards() {
  		return wizards;
  	}
  
  	public void setWizards(Set<Wizard> wizards) {
  		this.wizards = wizards;
  	}
  
  	public Set<Spell> getSpells() {
  		return spells;
  	}
  
  	public void setSpells(Set<Spell> spells) {
  		this.spells = spells;
  	}
  
  	public void addSpell(Spell spell) {
  		spell.setSpellbook(this);
  		spells.add(spell);
  	}
  	
  	@Override
  	public String toString() {
  		return name;
  	}	
  }
  