source: src/main/java/agents/anac/y2014/AgentYK/PairBidElementHistory.java

package agents.anac.y2014.AgentYK;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;


public class PairBidElementHistory {
        List<PairBidElementDetails> pairBidElements;
        HashMap<String, Integer> countMap;
        HashMap<String, Double> weightedCountMap;
        
        public PairBidElementHistory() {
                this.pairBidElements = new ArrayList<PairBidElementDetails>();
                countMap = new HashMap<String, Integer>();
                weightedCountMap = new HashMap<String, Double>();
        }
                        
        public PairBidElementHistory(List<PairBidElementDetails> pairBidElements) {
                for(PairBidElementDetails pbe:pairBidElements) {
                        this.pairBidElements.add(pbe);
                }
                countMap = new HashMap<String, Integer>();
                weightedCountMap = new HashMap<String, Double>();
        }
        
        public void add(PairBidElementDetails pbed) {
                this.pairBidElements.add(pbed);
                if(this.countMap.containsKey(pbed.getPairBidElement().toString())) {
                        int value = this.countMap.get(pbed.getPairBidElement().toString()) + 1;
                        this.countMap.put(pbed.getPairBidElement().toString(), value);
                } else {
                        this.countMap.put(pbed.getPairBidElement().toString(), 1);
                }
                
                if(this.weightedCountMap.containsKey(pbed.getPairBidElement().toString())) {
                        double value = this.weightedCountMap.get(pbed.getPairBidElement().toString()) + pbed.getTime()*pbed.getTime();
                        this.weightedCountMap.put(pbed.getPairBidElement().toString(), value);
                } else {
                        this.weightedCountMap.put(pbed.getPairBidElement().toString(), pbed.getTime()*pbed.getTime());
                }
        }
        
        public List<PairBidElementDetails> getHistory() {
                return this.pairBidElements;
        }
        
        public PairBidElementHistory filterBetweenTime(double t1, double t2) {
                PairBidElementHistory pbeh = new PairBidElementHistory();
                for(PairBidElementDetails pbed:this.pairBidElements) {
                        if(t1 < pbed.getTime() && pbed.getTime() <= t2) pbeh.add(pbed);
                }
                return pbeh;
        }
        
        public int getAppearanceCount(PairBidElement pairBidElement) {
                if(this.countMap.containsKey(pairBidElement.toString())) {
                        return this.countMap.get(pairBidElement.toString());
                }
                return 0;
        }
        
        public int getMaxAppearanceCount() {
                int max = 0;
                for(Integer i:this.countMap.values()) {
                        if(max < i) max = i;
                }
                return max;
        }
        
        public double getWeightedAppearanceCount(PairBidElement pairBidElement) {
                if(this.weightedCountMap.containsKey(pairBidElement.toString())) {
                        return this.weightedCountMap.get(pairBidElement.toString());
                }
                return 0;
        }
        
        public double getWeightedMaxAppearanceCount() {
                double max = 0.0;
                for(Double i:this.weightedCountMap.values()) {
                        if(max < i) max = i;
                }
                return max;
        }
        
        public int size() {
                return pairBidElements.size();
        }
}