productattribute.java

工厂版本管理系统,STRUTS2框架,用于管理商品的版本,便于有效的控制版本

package com.bluesky.elecall.domain;

import java.util.HashMap;
import java.util.Map;
import java.util.Random;

public class ProductAttribute {
	private long id;
	private String name;
	
	//if we use the local 'name', then the 'type' is no use
	private ProductAttributeType type;
	
	private String value;
	
	private Product product;
	
	public ProductAttribute(){
		
	}
	
	public ProductAttribute(String name,String value){
		this.name=name;
		this.value=value;
		
	}
	
	public boolean validate(){
		if(name==null || value == null)
			return false;
		if(name.trim().length()==0 || value.trim().length()==0)
			return false;
		
		return true;
	}

	public long getId() {
		return id;
	}

	public void setId(long id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

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

	public ProductAttributeType getType() {
		return type;
	}

	public void setType(ProductAttributeType type) {
		this.type = type;
	}

	public Product getProduct() {
		return product;
	}

	public void setProduct(Product product) {
		this.product = product;
	}

	public String getValue() {
		return value;
	}

	public void setValue(String value) {
		this.value = value;
	}
	
	public static ProductAttribute getSample(){
		
		String[] colorOptions = new String[]{"黑色","红色","白色","黄色","绿色"};
		String[] sizeOptions = new String[]{"10cm","20cm","30cm","40cm","50cm"};
		String[] voltOptions = new String[]{"100V","200V","300V","400V","500V"};
		String[] currentOptions = new String[]{"1A","2A","3A","4A","5A"};
		String[] weightOptions = new String[]{"1kg","2kg","3kg","4kg","5kg"};
		
		Map options = new HashMap<String,String>();
		options.put("颜色", colorOptions);
		options.put("尺寸", sizeOptions);
		options.put("电压", voltOptions);
		options.put("电流", currentOptions);
		options.put("重量", weightOptions);
		
		Random r = new Random();
		
		String name = (String)options.keySet().toArray()[r.nextInt(options.size())];
		String[] values = (String[])options.get(name);
		String value = values[r.nextInt(values.length)];
		ProductAttribute pa = new ProductAttribute(name, value);
		
		return pa;
	}
	
	public String toString(){
		return String.format("%s=%s", name,value);
	}
}