UnitConverter.java

/*
 *	This file is part of Goko.
 *
 *  Goko 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.
 *
 *  Goko 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 Goko.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.goko.core.common.measure.converter;

import java.math.BigDecimal;

/**
 * Unit converter interface
 *
 * @author PsyKo
 *
 */
public interface UnitConverter {
	/**
	 * @return the inverse converter of this converter
	 */
	UnitConverter inverse();

	/**
	 * Converts the value
	 * @param value the value to convert
	 * @return the converted value
	 */
	BigDecimal convert(BigDecimal value);

	boolean isIdentity();

	UnitConverter then(UnitConverter converter);
}