MappingList.java

package plugins.HarmonizationComponent;

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

public class MappingList
{

	private List<LinkedInformation> links = new ArrayList<LinkedInformation>();

	private HashMap<String, LinkedInformation> uniqueElements = new HashMap<String, LinkedInformation>();

	public void add(String expandedQuery, String matchedItem, Double similarity, String measurementName)
			throws Exception
	{

		if (expandedQuery == null || matchedItem == null || similarity == null || measurementName == null) throw new Exception(
				"Parameters have to be not null!");

		if (expandedQuery.equals("") || matchedItem.equals("")) throw new Exception("Parameters have to be not empty");

		LinkedInformation inf = new LinkedInformation(expandedQuery, matchedItem, similarity, measurementName);

		if (uniqueElements.containsKey(expandedQuery + measurementName))
		{
			if (similarity > uniqueElements.get(inf.expandedQuery + measurementName).similarity)
			{
				uniqueElements.get(expandedQuery + measurementName).similarity = similarity;
			}
		}
		else
		{
			links.add(inf);
			uniqueElements.put(expandedQuery + measurementName, inf);
		}
	}

	public void remove(String expandedQuery)
	{
		if (uniqueElements.containsKey(expandedQuery))
		{
			uniqueElements.remove(expandedQuery);
			links.remove(uniqueElements.get(expandedQuery));
		}
	}

	public List<LinkedInformation> getSortedInformation()
	{

		LinkedInformation[] columns = new LinkedInformation[links.size()];

		if (links != null)
		{
			int i = 0;

			for (LinkedInformation eachElement : links)
			{
				columns[i] = eachElement;
				i++;
			}
			Arrays.sort(columns);

			links = Arrays.asList(columns);
			//
			// for (LinkedInformation inf : links)
			// {
			// System.out.println(inf.expandedQuery +
			// " ------------ similarity: " + inf.similarity);
			//
			// }
		}

		return (links.size() > 100 ? links.subList(links.size() - 100, links.size()) : links);
	}
}