/* * Copyright (c) 2015 NOVA, All rights reserved. * This library is free software, licensed under GNU Lesser General Public License version 3 * * This file is part of NOVA. * * NOVA is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * NOVA 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with NOVA. If not, see <http://www.gnu.org/licenses/>. */ package nova.core.component.fluid; import java.util.Optional; /** * Objects with this interface declare their ability to provide {@link Fluid FluidStacks} * @see FluidConsumer */ public interface FluidProvider { /** * Attempt to extract fluid from this FluidProvider * @param amount Amount of fluid to extract * @param simulate Whether to simulate the extraction * @return Extracted {@link Fluid} */ Optional<Fluid> removeFluid(int amount, boolean simulate); /** * Attempt to extract fluid from this FluidProvider * @param amount Amount of fluid to extract * @return Extracted {@link Fluid} */ default Optional<Fluid> removeFluid(int amount) { return removeFluid(amount, false); } }