/**
* The MIT License (MIT)
*
* Copyright (c) 2014-2017 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.misc;
/**
* Condition to determine how {@link Select} behave when filtering an iterable.
*
* @author Jason Wong (super132j@yahoo.com)
* @version $Id: 853a9f7889c29a09935498e84e68dd9dcb56aeb7 $
* @param <T> Type of items
* @since 0.13.8
*/
public interface Condition<T> {
/**
* Determine if an element should be added.
* @param element The element in the iterables to examine.
* @return True to add the element, false to skip.
*/
boolean fits(T element);
/**
* Negating condition of any condition.
* @param <T> Type of items
*/
final class Not<T> implements Condition<T> {
/**
* Condition.
*/
private final Condition<T> condition;
/**
* Ctor.
* @param cond The condition to negate
*/
public Not(final Condition<T> cond) {
this.condition = cond;
}
@Override
public boolean fits(final T element) {
return !this.condition.fits(element);
}
}
}