Algorithm.java

package com.ipinyou.contest.algorithm;
 
public interface Algorithm {
  
   	 void init() throws Exception ;
 
	 int getBidPrice(BidRequest bidRequest); 
 
}

Bid.java

package com.ipinyou.contest.algorithm;
 
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
 
/**
 * Bid class that need to be completed by the contest participants This is the
 * only place to implement your bidding algorithm Note that the class name (Bid)
 * and package name (com.ipinyou.contest.algorithm) are fixed to make a correct
 * submission.
 * 
 */
public class Bid implements Algorithm {
 
        /*** Algorithm parameters definition***/
        
        // ratio of bidding in percent
        private int bidRatio = 50;
 
	// Fixed bid price
	private int fixedBidPrice = 300;
 
 	// Config parameters def file
	private String configFile = "algo.conf";
	
	// Other model related variables may be defined here
	// private Map<String, String> model = new HashMap<String, String>();
 
	/**
	 * init() method initializes alogrithm paramters and model 
	 * Memory limit: 512M
	 * @throws Exception 
	 */
	@Override
	public void init() throws Exception {
		readConfigPara(this.configFile);
	}
 
	/**
	 * getBidPrice() method makes the real calculation Note: one bid reqeust
	 * decision has to be make less than 20ms.
	 * 
	 */
	@Override
	public int getBidPrice(BidRequest bidRequest) {
 
		int bidPrice = -1;
		Random r = new Random();
 
		if (r.nextInt(100) < this.bidRatio)
			bidPrice = this.fixedBidPrice;
 
		return bidPrice;
	}
	
        /**  Reading config parameters from config file
	 *   The config file is defined in key=value format
	 *   Lines starting with '#' are regarded as remarks
	 */
	public void readConfigPara(String filename) throws Exception {
		InputStream inputStream = read(filename);
		String line = null;
		Map<String, String> kvMap = new HashMap<String, String>();
 
		BufferedReader br = new BufferedReader(new InputStreamReader(
				inputStream));
		while ((line = br.readLine()) != null) {
			if (line.matches("^#.*")) // Skip remark lines starting with #
				continue;
 
			String[] arr = line.trim().split("=");
			if (arr.length == 2) {
				kvMap.put(arr[0], arr[1]);
			}
		}
 
		if (kvMap.containsKey("bidRatio"))
			this.bidRatio = Integer.parseInt(kvMap.get("bidRatio"));
 
		if (kvMap.containsKey("fixedBidPrice"))
			this.fixedBidPrice = Integer.parseInt(kvMap.get("fixedBidPrice"));
 
	}
 	
 	/**
 	 * read file(from jar files or not) to inputstream
 	 */
	private InputStream read(String filename) {
		InputStream resourceAsStream = Thread.currentThread()
				.getContextClassLoader().getResourceAsStream(filename);
		if (resourceAsStream == null) {
			throw new RuntimeException("read file error ");
		}
		return resourceAsStream;
	}
 
}

BidRequest.java

package com.ipinyou.contest.algorithm;
 
import java.io.Serializable;
 
public class BidRequest implements Serializable{
  
        private static final long serialVersionUID = -3012027079030559912L;
	
	private String bidId; 	              //	c0550000008e5a94ac18823d6f275121
	private String timestamp ;	      //	20130218134701883
	private String ipinyouId ;	      //	dF_5qwD1UDI
	private String userAgent;	      // Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.84 Safari/535.11 SE 2.X MetaSr 1.0
	private String ipAddress ;	      //	119.163.222.*
	private String region;                //	146
	private String city;                  //	147
	private String adExchange;         //	2
	private String domain ;              //	e80f4ec7f5bfbc9ca416a8c01cd1a049
	private String url;                       //	hz55b000008e5a94ac18823d6f275121
	private String anonymousURLID ;//	Null
	private String adSlotID;               //	mm_10982364_973726_9023493
	private String adSlotWidth;         //	300
	private String adSlotHeight;        //	250
	private String adSlotVisibility;     //	1
	private String adSlotFormat;       //	1
	private String adSlotFloorPrice;   //	(RMB/CPM) (*)	0
	private String creativeID;             //	f80f4ec7f5bfbc9ca416a8c01cd1a049
	private String advertiserId;		//1234
	private String userTags;		//7892,12398,87927
	
	public String getBidId() {
		return bidId;
	}
 
	public void setBidId(String bidId) {
		this.bidId = bidId;
	}
 
	public String getTimestamp() {
		return timestamp;
	}
 
	public void setTimestamp(String timestamp) {
		this.timestamp = timestamp;
	}
 
	public String getIpinyouId() {
		return ipinyouId;
	}
 
	public void setIpinyouId(String ipinyouId) {	
		this.ipinyouId = ipinyouId;
	}
 
	public String getUserAgent() {
		return userAgent;
	}
 
	public void setUserAgent(String userAgent) {
		this.userAgent = userAgent;
	}
 
	public String getIpAddress() {
		return ipAddress;
	}
 
	public void setIpAddress(String ipAddress) {
		this.ipAddress = ipAddress;
	}
 
	public String getRegion() {
		return region;
	}
 
	public void setRegion(String region) {
		this.region = region;
	}
 
	public String getCity() {
		return city;
	}
 
	public void setCity(String city) {
		this.city = city;
	}
 
	public String getAdExchange() {
		return adExchange;
	}
 
	public void setAdExchange(String adExchange) {
		this.adExchange = adExchange;
	}
 
	public String getDomain() {
		return domain;
	}
 
	public void setDomain(String domain) {
		this.domain = domain;
	}
 
	public String getUrl() {
		return url;
	}
	public void setUrl(String url) {
		this.url = url;
	}
 
	public String getAnonymousURLID() {
		return anonymousURLID;
	}
 
	public void setAnonymousURLID(String anonymousURLID) {
		this.anonymousURLID = anonymousURLID;
	}
 
	public String getAdSlotID() {
		return adSlotID;
	}
 
	public void setAdSlotID(String adSlotID) {
		this.adSlotID = adSlotID;
	}
 
	public String getAdSlotWidth() {
		return adSlotWidth;
	}
	public void setAdSlotWidth(String adSlotWidth) {
		this.adSlotWidth = adSlotWidth;
	}
 
	public String getAdSlotHeight() {
		return adSlotHeight;
	}
 
	public void setAdSlotHeight(String adSlotHeight) {
		this.adSlotHeight = adSlotHeight;
	}
 
	public String getAdSlotVisibility() {
		return adSlotVisibility;
	}
 
	public void setAdSlotVisibility(String adSlotVisibility) {
		this.adSlotVisibility = adSlotVisibility;
	}
 
	public String getAdSlotFormat() {
		return adSlotFormat;
	}
 
	public void setAdSlotFormat(String adSlotFormat) {
		this.adSlotFormat = adSlotFormat;
	}
 
	public String getAdSlotFloorPrice() {
		return adSlotFloorPrice;
	}
 
	public void setAdSlotFloorPrice(String adSlotFloorPrice) {
		this.adSlotFloorPrice = adSlotFloorPrice;
	}
 
	public String getCreativeID() {
		return creativeID;
	}
 
	public void setCreativeID(String creativeID) {
		this.creativeID = creativeID;
	}
	
	public String getAdvertiserId() {
		return advertiserId;
	}
	public void setAdvertiserId(String advertiserId) {
		this.advertiserId = advertiserId;
	}
	public String getUserTags() {
		return userTags;
	}
	public void setUserTags(String userTags) {
		this.userTags = userTags;
	}
	
}