SetUtil.java

/*Copyright 2014, Language Technologies Institute, Carnegie Mellon
University

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

    You may obtain a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied. See the License for the specific language governing
permissions and limitations under the License.
 @author Wei Zhang
*/
package Wordnet;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Queue;
//import java.util.Map;
import java.util.Set;

public class SetUtil {

	public static boolean calculauteIntersection(Set<String> wordList1,
			Set<String> wordList2) {
		Set<String> allWords = populateWordset(wordList1, wordList2);

		// int M11 = 0;

		Iterator<String> wordList = allWords.iterator();
		while (wordList.hasNext()) {
			String word = wordList.next();
			boolean freq1 = wordList1.contains(word);
			boolean freq2 = wordList2.contains(word);

			if (freq1 && freq2) {
				return true;
			}
		}

		return false;
	}

	public static Set<String> checkSet(Set<String> set) {

		if (set == null)
			set = new HashSet<String>();

		return set;
	}

	static Set<String> populateWordset(Set<String> wordList1,
			Set<String> wordList2) {
		Set<String> allWords = new HashSet<String>();

		Set<String> wordIterator = null;
		Iterator<String> iterator = null;

		// wordIterator = wordList1.keySet();
		iterator = wordList1.iterator();

		while (iterator.hasNext()) {

			allWords.add(iterator.next());

		}
		// wordIterator = wordList2.keySet();
		iterator = wordList2.iterator();
		while (iterator.hasNext()) {

			allWords.add(iterator.next());

		}

		return allWords;
	}

	public static Set<String> addStringArray(Set<String> set, String[] array) {
		set = checkSet(set);

		for (String string : array) {
			set.add(string);

		}

		return set;

	}
	

	public static Queue<String>  addStringArraytoQueue(Queue<String> set , String[] array) {
		//set = checkSet(set);

		for (String string : array) {
			set.add(string);

		}

		return set;

	}

	public static Set<String> addStringList(Set<String> set, List<String> array) {
		set = checkSet(set);
		for (String string : array) {
			set.add(string);

		}

		return set;
	}

	public static List<String> setToList(Set<String> set)// List<String> array)
	{
		ArrayList<String> list = new ArrayList<String>();
		set = checkSet(set);
		for (String string : set) {
			list.add(string);

		}

		return list;
	}








}