tag.java

用struts2＋jpa来实现了对音乐

package net.jeffrey.hibernate;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.Entity;
import javax.persistence.ManyToMany;

/**
 * 商品标签
 * @author jeffrey
 */
@Entity
public class Tag extends AbstractEntity implements Serializable {
    private String name;
    
    @ManyToMany(mappedBy = "tags")
    private List<Product> products = new ArrayList<Product>();
    
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List<Product> getProducts() {
        return products;
    }

    public void setProducts(List<Product> products) {
        this.products = products;
    }
    
    @Override
    public String toString() {
        return "Tag[" + id + "," + name + "]";
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Tag other = (Tag) obj;
        if (this.id != other.id && (this.id == null || !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        int hash = 7;
        return hash = 47 * hash + id;
    }
}