com.intuit.quickbase.MergeStatServiceHashMap.java Source code

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Here is the source code for com.intuit.quickbase.MergeStatServiceHashMap.java

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package com.intuit.quickbase;

import com.intuit.quickbase.devint.ConcreteStatService;
import com.intuit.quickbase.devint.DBStatService;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;

/**
 *
 * @author hpanjwani
 */
public class MergeStatServiceHashMap {

    public void retrieveCountryPopulationList() {

        DBStatService dbStatService = new DBStatService();
        List<Pair<String, Integer>> dbList = dbStatService.GetCountryPopulations();

        ConcreteStatService conStatService = new ConcreteStatService();
        List<Pair<String, Integer>> apiList = conStatService.GetCountryPopulations();

        List<Pair<String, Integer>> modifiedAPIList = new ArrayList<>();

        if (apiList != null) {

            // Converting the keys of each element in the API list to lowercase                                                                
            Iterator iterator = apiList.iterator();

            while (iterator.hasNext()) {
                Pair<String, Integer> pair = (Pair) iterator.next();
                String key = pair.getKey().toLowerCase();
                Integer value = pair.getValue();

                modifiedAPIList.add(new ImmutablePair<String, Integer>(key, value));
            }
        }

        if (modifiedAPIList != null) {
            Iterator iterator = modifiedAPIList.iterator();

            while (iterator.hasNext()) {
                Pair<String, Integer> pair = (Pair) iterator.next();
                System.out.println("key: " + pair.getLeft() + ": value: " + pair.getRight());
            }
        }

        //                if(dbList != null) {
        //                    // Merge two list and remove duplicates
        //                    Collection<Pair<String, Integer>> result = Stream.concat(dbList.stream(), modifiedAPIList.stream())
        //                            .filter(pred)
        //                            .collect( Collectors.toMap(Pair::getLeft, p -> p, (p, q) -> p, LinkedHashMap::new))
        //                            .values();  
        //                                        
        //                    // Need to Convert collection to List
        //                    List<Pair<String, Integer>> merge = new ArrayList<>(result);            
        //                    merge.forEach(pair -> System.out.println("key: " + pair.getLeft() + ": value: " + pair.getRight()));
        //                    
        //                }
        //                else {
        //                    System.out.println("Country list retrieved form database is empty");
        //                } 
        //            } else {
        //                System.out.println("Country list retrieved form API is empty");
        //            }
    }
}