package de.hsadmin.mods.pac;

import static javax.persistence.CascadeType.ALL;
import static javax.persistence.FetchType.EAGER;
import static javax.persistence.FetchType.LAZY;
import static javax.persistence.GenerationType.SEQUENCE;

import java.util.Set;

import javax.persistence.EntityManager;

import de.hsadmin.mods.user.UnixUser;

@javax.persistence.Entity(name="Hives")
@javax.persistence.Table(name="hive")
@javax.persistence.SequenceGenerator(name="HivesSeqGen", sequenceName="hive_hive_id_seq")
public class Hive
	extends de.hsadmin.core.model.Entity
	implements java.io.Serializable
{
	private static final long serialVersionUID = -2270234313165009590L;

	/// bean ctor
	public Hive()
	{
	}
	
    public Hive( String name, INetAddress inetAddr )
	{
		this.name = name;
		this.inetAddr = inetAddr;
	}

    public Hive( String name, INetAddress inetAddr, String desc )
	{
		this(name, inetAddr);
		this.description = desc;
	}

	/// {@inheritDoc}
	public static String createQueryFromStringKey(String humanKey)
	{
		return "hiveName='" + humanKey + "'";
	}

	/// {@inheritDoc}
	@Override
	public String createStringKey()
	{
		return getHiveName();
	}

	/// {@inheritDoc}
	@Override
	public long id()
	{
		return id; 
	}

	// attribute id
	@javax.persistence.Id
	@javax.persistence.GeneratedValue(strategy=SEQUENCE, generator="HivesSeqGen")
    @javax.persistence.Column(name="hive_id")
    private long id;
    public long getId() { return id; }
    public void setId( long id ) { this.id = id; }

    // attribute hiveName
    @javax.persistence.Column(name="hive_name", columnDefinition="character varying(3)", unique=true)
    private String name;
    public String getName() { return name; }
    @Override
    public String getHiveName() { return name; }
    public void setName( String hiveName ) { this.name = hiveName; }

    // attribute inetAddr
    @javax.persistence.JoinColumn(name="inet_addr_id")
    @javax.persistence.ManyToOne(fetch=EAGER)
    private INetAddress inetAddr;
    public INetAddress getInetAddr() { return inetAddr; }
    public void setInetAddr( INetAddress inetAddr ) { this.inetAddr = inetAddr; }

    // attribute description
    @javax.persistence.Column(name="description", columnDefinition="character varying(100)")
    private String description;
    public String getDescription() { return description; }
    public void setDescription( String description ) { this.description = description; }

    // virtual attribute pacs
    @javax.persistence.OneToMany(fetch=LAZY, cascade=ALL, mappedBy="hive")
    @javax.persistence.OrderBy("name")
    private Set<Pac> pacs;
    public Set<Pac> getPacs() { return pacs; }
    public void setPacs( Set<Pac> pacs) { this.pacs = pacs; }

    /// {$inheritDoc}
	@Override
	public boolean isNew()
	{
		return id == 0;
	}
	
	/// {@inheritDoc}
	@Override
	public UnixUser owningUser( EntityManager em )
	{
		return null; // TODO: kinda somebody like root needed
	}
}