Loan.java

package cn.newgxu.bbs.domain.bank;

import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import cn.newgxu.bbs.common.util.Util;
import cn.newgxu.bbs.domain.user.User;
import cn.newgxu.jpamodel.JPAEntity;
import cn.newgxu.jpamodel.ObjectNotFoundException;


/**
 * BankLoan generated by MyEclipse - Hibernate Tools
 */

@Entity
@Table(name = "bank_loan")
public class Loan extends JPAEntity {

	private static final long serialVersionUID = 6629127999544345160L;

	@Id
	@Column(name = "id")
//	@GeneratedValue(strategy = GenerationType.SEQUENCE,generator="id_seq")    
//	@SequenceGenerator(name="id_seq", sequenceName="seq_bank_operate_log")
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private int id = -1;

	@ManyToOne(cascade = { CascadeType.REFRESH }, fetch = FetchType.LAZY)
	@JoinColumn(name = "user_id")
    private User user;
    
    private int money;
    private int days;
    private byte status;
    
    @Column(name = "loan_rate", precision = 4)
    private float loanRate;
    
    @Column(name = "apply_time")
    private Date applyTime;
    
    @Column(name = "begin_time")
    private Date beginTime;
    
    @Column(name = "repay_time")
    private Date repayTime;

    // Property accessors

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

    public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

	public int getMoney() {
        return this.money;
    }
    
    public void setMoney(int money) {
        this.money = money;
    }

    public Date getApplyTime() {
        return this.applyTime;
    }
    
    public void setApplyTime(Date applyTime) {
        this.applyTime = applyTime;
    }

    public Date getBeginTime() {
        return this.beginTime;
    }
    
    public void setBeginTime(Date beginTime) {
        this.beginTime = beginTime;
    }

    public int getDays() {
        return this.days;
    }
    
    public void setDays(int days) {
        this.days = days;
    }

    public float getLoanRate() {
        return this.loanRate;
    }
    
    public void setLoanRate(float loanRate) {
        this.loanRate = loanRate;
    }


	public byte getStatus() {
		return status;
	}

	public void setStatus(byte status) {
		this.status = status;
	}

	public void setStatus(Byte status) {
        this.status = status;
    }

    public Date getRepayTime() {
        return this.repayTime;
    }
    
    public void setRepayTime(Date repayTime) {
        this.repayTime = repayTime;
    }
   
    // Constructors

	public static Loan get(int id) throws ObjectNotFoundException {
		return (Loan) getById(Loan.class, id);
	}

	@SuppressWarnings("unchecked")
	public static List<Loan> getByUser(User user, Byte status) {
		return (List<Loan>) Q("from Loan n where n.user = ?1 and n.status = ?2", 
				P(1, user), P(2, status)).getResultList();
	}

	@SuppressWarnings("unchecked")
	public static List<Loan> getApplyLoans(Byte status) {
		return (List<Loan>) Q("from Loan n where n.status = ?1", 
				P(1, status)).getResultList();
	}

    public Date getEndTime() {
        return  Util.getDateAfterDay(this.beginTime, this.days);
    }

    public int getAccrual() {
    	int distance = Util.days(this.beginTime, new Date());
    	if ( distance > this.days) {
    		return (int)(this.money * this.loanRate * this.days +
    			2 * this.money * this.loanRate * (distance - this.days));
    	}
        return (int)(this.money * this.loanRate * distance);
    }

 	// ------------------------------------------------
 	@SuppressWarnings("serial")
 	@Override
 	public String toString() {
 		return "Loan" + new LinkedHashMap<String, Object>() {
 			{
 				put("id", id);
 				put("user", user);
 				put("money", money);
 				put("days", days);
 				put("loanRate", loanRate);
 				put("applyTime", applyTime);
 				put("beginTime", beginTime);
 				put("loanRate", loanRate);
 				put("repayTime", repayTime);
 			}
 		}.toString();
	}

}