shop--9.商品类别--批量操作--状态类、枚举类等

ProductCategoryEnum

public enum ProductCategoryStateEnum {
    SUCCESS(1, "创建成功"), INNER_ERROR(-1001, "操作失败"), EMPTY_LIST(-1002, "添加数少于1");

    private int state;

    private String stateInfo;

    private ProductCategoryStateEnum(int state, String stateInfo) {
        this.state = state;
        this.stateInfo = stateInfo;
    }

    public int getState() {
        return state;
    }

    public String getStateInfo() {
        return stateInfo;
    }

    public static ProductCategoryStateEnum stateOf(int index) {
        for (ProductCategoryStateEnum state : values()) {
            if (state.getState() == index) {
                return state;
            }
        }
        return null;
    }

}

ProductCategoryExecution

public class ProductCategoryExecution {
    // 结果状态
    private int state;

    // 状态标识
    private String stateInfo;

    // 操作的商铺类别
    private List<ProductCategory> productCategoryList;

    public ProductCategoryExecution() {
    }

    // 预约失败的构造器
    public ProductCategoryExecution(ProductCategoryStateEnum stateEnum) {
        this.state = stateEnum.getState();
        this.stateInfo = stateEnum.getStateInfo();
    }

    // 预约成功的构造器
    public ProductCategoryExecution(ProductCategoryStateEnum stateEnum,
            List<ProductCategory> productCategoryList) {
        this.state = stateEnum.getState();
        this.stateInfo = stateEnum.getStateInfo();
        this.productCategoryList = productCategoryList;
    }

    public int getState() {
        return state;
    }

    public void setState(int state) {
        this.state = state;
    }

    public String getStateInfo() {
        return stateInfo;
    }

    public void setStateInfo(String stateInfo) {
        this.stateInfo = stateInfo;
    }

    public List<ProductCategory> getProductCategoryList() {
        return productCategoryList;
    }

    public void setProductCategoryList(List<ProductCategory> productCategoryList) {
        this.productCategoryList = productCategoryList;
    }

}

ProductCategoryException

public class ProductCategoryOperationException extends RuntimeException{
    
    /**
     * 
     */
    private static final long serialVersionUID = -3594075878279352727L;

    public ProductCategoryOperationException(String msg) {
        super(msg);
    }
}