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-rw-r--r--src/org/unitConverter/newUnits/AbstractUnit.java81
-rw-r--r--src/org/unitConverter/newUnits/BaseUnit.java14
-rw-r--r--src/org/unitConverter/newUnits/FunctionalUnit.java2
-rw-r--r--src/org/unitConverter/newUnits/LinearUnit.java8
-rw-r--r--src/org/unitConverter/newUnits/Unit.java88
5 files changed, 79 insertions, 114 deletions
diff --git a/src/org/unitConverter/newUnits/AbstractUnit.java b/src/org/unitConverter/newUnits/AbstractUnit.java
deleted file mode 100644
index bc4608e..0000000
--- a/src/org/unitConverter/newUnits/AbstractUnit.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/**
- * 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 org.unitConverter.newUnits;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-
-import org.unitConverter.dimension.BaseDimension;
-import org.unitConverter.math.ObjectProduct;
-
-/**
- * @author Adrien Hopkins
- * @since 2019-10-16
- */
-public abstract class AbstractUnit implements Unit {
- /**
- * The combination of units that this unit is based on.
- */
- private final ObjectProduct<BaseUnit> unitBase;
-
- /**
- * Cache storing the result of getDimension()
- */
- private transient ObjectProduct<BaseDimension> dimension = null;
-
- /**
- * Creates the {@code AbstractUnit}.
- *
- * @param unitBase
- * @since 2019-10-16
- * @throws NullPointerException
- * if unitBase is null
- */
- public AbstractUnit(final ObjectProduct<BaseUnit> unitBase) {
- this.unitBase = Objects.requireNonNull(unitBase, "unitBase must not be null.");
- }
-
- /**
- * @return unitBase
- * @since 2019-10-16
- */
- @Override
- public final ObjectProduct<BaseUnit> getBase() {
- return this.unitBase;
- }
-
- @Override
- public final ObjectProduct<BaseDimension> getDimension() {
- if (this.dimension == null) {
- final Map<BaseUnit, Integer> mapping = this.unitBase.exponentMap();
- final Map<BaseDimension, Integer> dimensionMap = new HashMap<>();
-
- for (final BaseUnit key : mapping.keySet()) {
- dimensionMap.put(key.getBaseDimension(), mapping.get(key));
- }
-
- this.dimension = ObjectProduct.fromExponentMapping(dimensionMap);
- }
- return this.dimension;
- }
-
- @Override
- public String toString() {
- return "Unit derived from base " + this.getBase().toString();
- }
-}
diff --git a/src/org/unitConverter/newUnits/BaseUnit.java b/src/org/unitConverter/newUnits/BaseUnit.java
index b7577ff..2c4d748 100644
--- a/src/org/unitConverter/newUnits/BaseUnit.java
+++ b/src/org/unitConverter/newUnits/BaseUnit.java
@@ -19,7 +19,6 @@ package org.unitConverter.newUnits;
import java.util.Objects;
import org.unitConverter.dimension.BaseDimension;
-import org.unitConverter.math.ObjectProduct;
/**
* A unit that other units are defined by.
@@ -27,7 +26,7 @@ import org.unitConverter.math.ObjectProduct;
* @author Adrien Hopkins
* @since 2019-10-16
*/
-public final class BaseUnit implements Unit {
+public final class BaseUnit extends Unit {
private final BaseDimension dimension;
private final String name;
private final String symbol;
@@ -46,6 +45,7 @@ public final class BaseUnit implements Unit {
* @since 2019-10-16
*/
private BaseUnit(final BaseDimension dimension, final String name, final String symbol) {
+ super();
this.dimension = Objects.requireNonNull(dimension, "dimension must not be null.");
this.name = Objects.requireNonNull(name, "name must not be null.");
this.symbol = Objects.requireNonNull(symbol, "symbol must not be null.");
@@ -72,11 +72,6 @@ public final class BaseUnit implements Unit {
return value;
}
- @Override
- public ObjectProduct<BaseUnit> getBase() {
- return ObjectProduct.oneOf(this);
- }
-
/**
* @return dimension
* @since 2019-10-16
@@ -85,11 +80,6 @@ public final class BaseUnit implements Unit {
return this.dimension;
}
- @Override
- public ObjectProduct<BaseDimension> getDimension() {
- return ObjectProduct.oneOf(this.getBaseDimension());
- }
-
/**
* @return name
* @since 2019-10-16
diff --git a/src/org/unitConverter/newUnits/FunctionalUnit.java b/src/org/unitConverter/newUnits/FunctionalUnit.java
index 99ff833..6bff3e8 100644
--- a/src/org/unitConverter/newUnits/FunctionalUnit.java
+++ b/src/org/unitConverter/newUnits/FunctionalUnit.java
@@ -27,7 +27,7 @@ import org.unitConverter.math.ObjectProduct;
* @author Adrien Hopkins
* @since 2019-05-22
*/
-final class FunctionalUnit extends AbstractUnit {
+final class FunctionalUnit extends Unit {
/**
* Returns a unit from its base and the functions it uses to convert to and from its base.
*
diff --git a/src/org/unitConverter/newUnits/LinearUnit.java b/src/org/unitConverter/newUnits/LinearUnit.java
index 7600dad..c8c610e 100644
--- a/src/org/unitConverter/newUnits/LinearUnit.java
+++ b/src/org/unitConverter/newUnits/LinearUnit.java
@@ -27,7 +27,7 @@ import org.unitConverter.math.ObjectProduct;
* @author Adrien Hopkins
* @since 2019-10-16
*/
-public final class LinearUnit extends AbstractUnit {
+public final class LinearUnit extends Unit {
/**
* Gets a {@code LinearUnit} from a unit and a value. For example, converts '59 °F' to a linear unit with the value
* of '288.15 K'
@@ -39,7 +39,7 @@ public final class LinearUnit extends AbstractUnit {
* @return value expressed as a {@code LinearUnit}
* @since 2019-10-16
*/
- public static LinearUnit fromValue(final Unit unit, final double value) {
+ public static LinearUnit fromUnitValue(final Unit unit, final double value) {
return new LinearUnit(unit.getBase(), unit.convertToBase(value));
}
@@ -84,12 +84,12 @@ public final class LinearUnit extends AbstractUnit {
}
@Override
- public double convertFromBase(final double value) {
+ protected double convertFromBase(final double value) {
return value / this.getConversionFactor();
}
@Override
- public double convertToBase(final double value) {
+ protected double convertToBase(final double value) {
return value * this.getConversionFactor();
}
diff --git a/src/org/unitConverter/newUnits/Unit.java b/src/org/unitConverter/newUnits/Unit.java
index b50115d..feeb25e 100644
--- a/src/org/unitConverter/newUnits/Unit.java
+++ b/src/org/unitConverter/newUnits/Unit.java
@@ -19,16 +19,15 @@ package org.unitConverter.newUnits;
import java.util.Objects;
import java.util.function.DoubleUnaryOperator;
-import org.unitConverter.dimension.BaseDimension;
import org.unitConverter.math.ObjectProduct;
/**
- * A unit described in terms of base units.
+ * A unit that is composed of base units.
*
* @author Adrien Hopkins
* @since 2019-10-16
*/
-public interface Unit {
+public abstract class Unit {
/**
* Returns a unit from its base and the functions it uses to convert to and from its base.
*
@@ -57,6 +56,44 @@ public interface Unit {
}
/**
+ * The combination of units that this unit is based on.
+ *
+ * @since 2019-10-16
+ */
+ private final ObjectProduct<BaseUnit> unitBase;
+
+ // /**
+ // * Cache storing the result of getDimension()
+ // *
+ // * @since 2019-10-16
+ // */
+ // private transient ObjectProduct<BaseDimension> dimension = null;
+
+ /**
+ * A constructor that constructs {@code BaseUnit} instances.
+ *
+ * @since 2019-10-16
+ */
+ Unit() {
+ if (this instanceof BaseUnit) {
+ this.unitBase = ObjectProduct.oneOf((BaseUnit) this);
+ } else
+ throw new AssertionError();
+ }
+
+ /**
+ * Creates the {@code AbstractUnit}.
+ *
+ * @param unitBase
+ * @since 2019-10-16
+ * @throws NullPointerException
+ * if unitBase is null
+ */
+ protected Unit(final ObjectProduct<BaseUnit> unitBase) {
+ this.unitBase = Objects.requireNonNull(unitBase, "unitBase must not be null.");
+ }
+
+ /**
* Checks if a value expressed in this unit can be converted to a value expressed in {@code other}
*
* @param other
@@ -67,7 +104,7 @@ public interface Unit {
* @throws NullPointerException
* if other is null
*/
- default boolean canConvertTo(final Unit other) {
+ public final boolean canConvertTo(final Unit other) {
Objects.requireNonNull(other, "other must not be null.");
return Objects.equals(this.getBase(), other.getBase());
}
@@ -88,7 +125,7 @@ public interface Unit {
* @since 2018-12-22
* @since v0.1.0
*/
- double convertFromBase(double value);
+ protected abstract double convertFromBase(double value);
/**
* Converts a value expressed in this unit to a value expressed in {@code other}.
@@ -101,11 +138,11 @@ public interface Unit {
* @since 2019-05-22
* @throws IllegalArgumentException
* if {@code other} is incompatible for conversion with this unit (as tested by
- * {@link Unit#canConvertTo}).
+ * {@link IUnit#canConvertTo}).
* @throws NullPointerException
* if other is null
*/
- default double convertTo(final Unit other, final double value) {
+ public final double convertTo(final Unit other, final double value) {
Objects.requireNonNull(other, "other must not be null.");
if (this.canConvertTo(other))
return other.convertFromBase(this.convertToBase(value));
@@ -129,19 +166,38 @@ public interface Unit {
* @since 2018-12-22
* @since v0.1.0
*/
- double convertToBase(double value);
+ protected abstract double convertToBase(double value);
/**
* @return combination of units that this unit is based on
* @since 2018-12-22
* @since v0.1.0
*/
- ObjectProduct<BaseUnit> getBase();
+ public final ObjectProduct<BaseUnit> getBase() {
+ return this.unitBase;
+ }
- /**
- * @return dimension measured by this unit
- * @since 2018-12-22
- * @since v0.1.0
- */
- ObjectProduct<BaseDimension> getDimension();
-} \ No newline at end of file
+ // /**
+ // * @return dimension measured by this unit
+ // * @since 2018-12-22
+ // * @since v0.1.0
+ // */
+ // private final ObjectProduct<BaseDimension> getDimension() {
+ // if (this.dimension == null) {
+ // final Map<BaseUnit, Integer> mapping = this.unitBase.exponentMap();
+ // final Map<BaseDimension, Integer> dimensionMap = new HashMap<>();
+ //
+ // for (final BaseUnit key : mapping.keySet()) {
+ // dimensionMap.put(key.getBaseDimension(), mapping.get(key));
+ // }
+ //
+ // this.dimension = ObjectProduct.fromExponentMapping(dimensionMap);
+ // }
+ // return this.dimension;
+ // }
+
+ @Override
+ public String toString() {
+ return "Unit derived from base " + this.getBase().toString();
+ }
+}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-03 04:04:45 +0000