Added code from the previous implementation of the Unit Converter

It includes:
 - a units database to store units
 - unit prefix classes
 - a unit converter GUI that accepts some unit math

NOTE: A lot of this code will be edited in the near future.

1 files changed, 49 insertions, 1 deletions

diff --git a/src/unitConverter/unit/AbstractUnit.java b/src/unitConverter/unit/AbstractUnit.java
index 62c07a2..d3d6dbd 100644
--- a/src/unitConverter/unit/AbstractUnit.java
+++ b/src/unitConverter/unit/AbstractUnit.java
@@ -26,7 +26,55 @@ import unitConverter.dimension.UnitDimension;
  * @author Adrien Hopkins
  * @since 2019-01-25
  */
-abstract class AbstractUnit implements Unit {
+public abstract class AbstractUnit implements Unit {
+	/**
+	 * The number of units created, including base units.
+	 * 
+	 * @since 2019-01-02
+	 */
+	private static long unitCount = 0;
+
+	/**
+	 * The number of base units created.
+	 * 
+	 * @since 2019-01-02
+	 */
+	private static long baseUnitCount = 0;
+
+	/**
+	 * @return number of base units created
+	 * @since 2019-01-02
+	 */
+	public static final long getBaseUnitCount() {
+		return baseUnitCount;
+	}
+
+	/**
+	 * @return number of units created
+	 * @since 2019-01-02
+	 */
+	public static final long getUnitCount() {
+		return unitCount;
+	}
+
+	/**
+	 * Increments the number of base units.
+	 * 
+	 * @since 2019-01-15
+	 */
+	public static final void incrementBaseUnitCounter() {
+		baseUnitCount++;
+	}
+
+	/**
+	 * Increments the number of units.
+	 * 
+	 * @since 2019-01-15
+	 */
+	public static final void incrementUnitCounter() {
+		unitCount++;
+	}
+
 	/**
 	 * The dimension, or what the unit measures.
 	 *