/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.util.Collection;
import java.util.Iterator;
public final class CollectionsUtil {
public static boolean disjoint(Collection c1, Collection c2) {
if (c1.size() > c2.size()) {
Collection c = c1;
c1 = c2;
c2 = c;
}
for (Iterator iterator = c2.iterator(); iterator.hasNext();) {
Object o = (Object)iterator.next();
if (c1.contains(o)) {
return false;
}
}
return true;
}
}