/**
 * Copyright (C) 2019 Adrien Hopkins
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package sevenUnits.converterGUI;

import java.util.function.Predicate;

/**
 * A container for a predicate, which can be changed later.
 * 
 * @author Adrien Hopkins
 * @since 2019-04-13
 * @since v0.2.0
 */
final class MutablePredicate<T> implements Predicate<T> {
	/**
	 * The predicate stored in this {@code MutablePredicate}
	 * 
	 * @since 2019-04-13
	 * @since v0.2.0
	 */
	private Predicate<T> predicate;

	/**
	 * Creates the {@code MutablePredicate}.
	 * 
	 * @since 2019-04-13
	 * @since v0.2.0
	 */
	public MutablePredicate(final Predicate<T> predicate) {
		this.predicate = predicate;
	}

	/**
	 * @return predicate
	 * @since 2019-04-13
	 * @since v0.2.0
	 */
	public final Predicate<T> getPredicate() {
		return this.predicate;
	}

	/**
	 * @param predicate
	 *            new value of predicate
	 * @since 2019-04-13
	 * @since v0.2.0
	 */
	public final void setPredicate(final Predicate<T> predicate) {
		this.predicate = predicate;
	}

	@Override
	public boolean test(final T t) {
		return this.predicate.test(t);
	}
}