/*
* fb-contrib - Auxiliary detectors for Java programs
* Copyright (C) 2005-2017 Dave Brosius
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.mebigfatguy.fbcontrib.utils;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
/**
* a factory for creating unmodifiable HashSets by presenting values to a var-args creator method.
*/
public final class UnmodifiableSet {
private UnmodifiableSet() {
}
@SafeVarargs
public static <T> Set<T> create(T... elements) {
Set<T> s = new HashSet<T>(elements.length + (elements.length / 3) + 1);
for (T t : elements) {
s.add(t);
}
return Collections.<T> unmodifiableSet(s);
}
}