128 lines
3.2 KiB
Java
128 lines
3.2 KiB
Java
package com.example.cattletends.entity;
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import javax.persistence.*;
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import java.math.BigDecimal;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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/**
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* 省份每日均价实体类
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* 存储15个省份每天的省份均价，只累加不覆盖
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*/
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@Entity
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@Table(name = "province_daily_price",
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uniqueConstraints = {
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@UniqueConstraint(name = "uk_province_date", columnNames = {"province", "price_date"})
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},
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indexes = {
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@Index(name = "idx_province", columnList = "province"),
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@Index(name = "idx_price_date", columnList = "price_date"),
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@Index(name = "idx_province_date_composite", columnList = "province,price_date"),
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@Index(name = "idx_price", columnList = "price"),
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@Index(name = "idx_date_price", columnList = "price_date,price"),
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@Index(name = "idx_province_price", columnList = "province,price"),
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@Index(name = "idx_up_time", columnList = "up_time"),
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@Index(name = "idx_create_time", columnList = "create_time")
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}
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)
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public class ProvinceDailyPrice {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Integer id;
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/**
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* 省份名称
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*/
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@Column(name = "province", nullable = false, length = 100)
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private String province;
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/**
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* 省份均价（元/斤）
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*/
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@Column(name = "price", precision = 10, scale = 2, nullable = false)
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private BigDecimal price;
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/**
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* 价格日期（只记录日期，不包含时间）
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*/
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@Column(name = "price_date", nullable = false)
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private LocalDate priceDate;
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/**
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* 创建时间
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*/
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@Column(name = "create_time")
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private LocalDateTime createTime;
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/**
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* 更新时间
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*/
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@Column(name = "up_time", nullable = false)
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private LocalDateTime upTime;
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@PrePersist
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protected void onCreate() {
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createTime = LocalDateTime.now();
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upTime = LocalDateTime.now();
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if (priceDate == null) {
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priceDate = LocalDate.now();
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}
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}
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@PreUpdate
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protected void onUpdate() {
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upTime = LocalDateTime.now();
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}
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// Getters and Setters
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public String getProvince() {
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return province;
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}
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public void setProvince(String province) {
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this.province = province;
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}
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public BigDecimal getPrice() {
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return price;
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}
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public void setPrice(BigDecimal price) {
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this.price = price;
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}
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public LocalDate getPriceDate() {
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return priceDate;
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}
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public void setPriceDate(LocalDate priceDate) {
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this.priceDate = priceDate;
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}
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public LocalDateTime getCreateTime() {
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return createTime;
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}
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public void setCreateTime(LocalDateTime createTime) {
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this.createTime = createTime;
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}
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public LocalDateTime getUpTime() {
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return upTime;
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}
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public void setUpTime(LocalDateTime upTime) {
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this.upTime = upTime;
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}
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}
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