dnet-hadoop/dhp-workflows/dhp-propagation/src/main/java/eu/dnetlib/dhp/resulttocommunityfromorganization/OrganizationMap.java

package eu.dnetlib.dhp.resulttocommunityfromorganization;

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

public class OrganizationMap extends HashMap<String, List<String>> {

    public OrganizationMap(){
        super();
    }

    public List<String> get(String key){

        if (super.get(key) == null){
            return new ArrayList<>();
        }
        return super.get(key);
    }
}