/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package org.dspace.harvest;

import java.util.Date;

import org.dspace.content.Item;
import org.dspace.core.Context;
import org.dspace.core.ReloadableEntity;

import javax.persistence.*;

/**
 * @author Alexey Maslov
 */
@Entity
@Table(name="harvested_item")
public class HarvestedItem implements ReloadableEntity<Integer>
{
    @Id
    @Column(name="id")
    @GeneratedValue(strategy = GenerationType.SEQUENCE ,generator="harvested_item_seq")
    @SequenceGenerator(name="harvested_item_seq", sequenceName="harvested_item_seq", allocationSize = 1)
    private Integer id;

    @OneToOne(fetch = FetchType.LAZY)
    @JoinColumn(name="item_id", unique = true)
    private Item item;

    @Column(name = "last_harvested", columnDefinition="timestamp with time zone")
    @Temporal(TemporalType.TIMESTAMP)
    private Date lastHarvested;

    @Column(name = "oai_id")
    private String oaiId;


    /**
     * Protected constructor, create object using:
     * {@link org.dspace.harvest.service.HarvestedItemService#create(Context, Item, String)}
     *
     */
    protected HarvestedItem()
    {
    }

    public Integer getID() {
        return id;
    }

    void setItem(Item item) {
        this.item = item;
    }

    public Item getItem()
    {
        return item;
    }

    // FIXME: duplicate below?
    void setOaiId(String oaiId) {
        this.oaiId = oaiId;
    }

    /**
     * Get the oai_id associated with this item 
     *
     * @return itemOaiID item's OAI identifier
     */
    public String getOaiID()
    {
        return oaiId;
    }
    
    /**
     * Set the oai_id associated with this item 
     *
     * @param itemOaiID item's OAI identifier
     */
    public void setOaiID(String itemOaiID)
    {
    	this.oaiId = itemOaiID;
        return;
    }
    
    
    public void setHarvestDate(Date date) {
    	if (date == null) {    	
    		date = new Date();
    	}
    	lastHarvested = date;
    }
    
    public Date getHarvestDate() {
    	return lastHarvested;
    }

}