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path: root/src/unitConverter/unit/BaseUnit.java
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/**
 * Copyright (C) 2018 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 unitConverter.unit;

import unitConverter.dimension.UnitDimension;

/**
 * A unit that is the base for its dimension. It does not have to be for a base dimension, so units like the Newton and
 * Joule are still base units.
 * 
 * @author Adrien Hopkins
 * @since 2018-12-23
 */
public final class BaseUnit extends AbstractUnit {
	/**
	 * Is this unit a full base (i.e. m, s, ... but not N, J, ...)
	 * 
	 * @since 2019-01-15
	 */
	private final boolean isFullBase;

	/**
	 * Creates the {@code BaseUnit}.
	 * 
	 * @param dimension
	 *            dimension measured by unit
	 * @param system
	 *            system that unit is a part of
	 * @param name
	 *            name of unit
	 * @param symbol
	 *            symbol of unit
	 * @since 2018-12-23
	 */
	BaseUnit(final UnitDimension dimension, final UnitSystem system) {
		super(dimension, system);
		this.isFullBase = dimension.isBase();
	}

	@Override
	public double convertFromBase(final double value) {
		return value;
	}

	@Override
	public double convertToBase(final double value) {
		return value;
	}

	@Override
	public String toString() {
		return String.format("%s base unit of%s dimension %s", this.getSystem(), this.isFullBase ? " base" : "",
				this.getDimension());
	}
}