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-rw-r--r--src/unitConverter/unit/SI.java74
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diff --git a/src/unitConverter/unit/SI.java b/src/unitConverter/unit/SI.java
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--- a/src/unitConverter/unit/SI.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 java.util.HashSet;
-import java.util.Objects;
-import java.util.Set;
-
-import unitConverter.dimension.StandardDimensions;
-import unitConverter.dimension.UnitDimension;
-
-/**
- * The SI, which holds all SI units
- *
- * @author Adrien Hopkins
- * @since 2018-12-23
- * @since v0.1.0
- */
-public enum SI implements UnitSystem {
- SI;
-
- /**
- * This system's base units.
- *
- * @since 2019-01-25
- * @since v0.1.0
- */
- private static final Set<BaseUnit> baseUnits = new HashSet<>();
-
- // base units
- public static final BaseUnit METRE = SI.getBaseUnit(StandardDimensions.LENGTH);
- public static final BaseUnit KILOGRAM = SI.getBaseUnit(StandardDimensions.MASS);
- public static final BaseUnit SECOND = SI.getBaseUnit(StandardDimensions.TIME);
- public static final BaseUnit AMPERE = SI.getBaseUnit(StandardDimensions.ELECTRIC_CURRENT);
- public static final BaseUnit KELVIN = SI.getBaseUnit(StandardDimensions.TEMPERATURE);
- public static final BaseUnit MOLE = SI.getBaseUnit(StandardDimensions.QUANTITY);
- public static final BaseUnit CANDELA = SI.getBaseUnit(StandardDimensions.LUMINOUS_INTENSITY);
-
- @Override
- public BaseUnit getBaseUnit(final UnitDimension dimension) {
- // try to find an existing unit before creating a new one
-
- Objects.requireNonNull(dimension, "dimension must not be null.");
- for (final BaseUnit unit : baseUnits) {
- // it will be equal since the conditions for equality are dimension and system,
- // and system is always SI.
- if (unit.getDimension().equals(dimension))
- return unit;
- }
- // could not find an existing base unit
- final BaseUnit unit = new BaseUnit(dimension, this);
- baseUnits.add(unit);
- return unit;
- }
-
- @Override
- public String getName() {
- return "SI";
- }
-}