Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.util.LinkedList;
import java.util.List;

import com.google.common.base.Equivalence;
import com.google.common.collect.Iterables;

public class Main {
    /**
     * <strong>WARNING:</strong> very low efficiency (O(N*N))
     * @return A list containing the elements of source that are not in filter, using <code>equivalence</code> to distinguish different elements.
     */
    public static <T> List<T> difference(Iterable<? extends T> source, Iterable<? extends T> filter,
            Equivalence<? super T> equivalence) {
        final List<T> result = new LinkedList<T>();
        if (source != null && filter != null) {
            sourceLoop: for (T sourceElement : source) {
                for (T filterElement : filter) {
                    if (equivalence.equivalent(sourceElement, filterElement)) {
                        continue sourceLoop;
                    }
                }
                result.add(sourceElement);
            }
        } else if (source != null && filter == null) {
            Iterables.addAll(result, source);
        }
        return result;
    }
}