Code maintenace and changes

1 files changed, 63 insertions, 0 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/Pair.java b/BJC-Utils2/src/main/java/bjc/utils/data/Pair.java
new file mode 100644
index 0000000..958df40
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/data/Pair.java
@@ -0,0 +1,63 @@
+package bjc.utils.data;
+
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+/**
+ * A pair of values, with nothing special about them.
+ * 
+ * @author ben
+ *
+ * @param <LeftType>
+ *            The type of the left value
+ * @param <RightType>
+ *            The type of the right value
+ */
+public class Pair<LeftType, RightType>
+		implements IPair<LeftType, RightType> {
+	private LeftType	leftValue;
+	private RightType	rightValue;
+
+	/**
+	 * Create a new pair with both sides set to null
+	 */
+	public Pair() {
+	}
+
+	/**
+	 * Create a new pair with both sides set to the specified values
+	 * 
+	 * @param left
+	 *            The value of the left side
+	 * @param right
+	 *            The value of the right side
+	 */
+	public Pair(LeftType left, RightType right) {
+		leftValue = left;
+		rightValue = right;
+	}
+
+	@Override
+	public <BoundLeft> IPair<BoundLeft, RightType> bindLeft(
+			Function<LeftType, IPair<BoundLeft, RightType>> leftBinder) {
+		return leftBinder.apply(leftValue);
+	}
+
+	@Override
+	public <BoundRight> IPair<LeftType, BoundRight> bindRight(
+			Function<RightType, IPair<LeftType, BoundRight>> rightBinder) {
+		return rightBinder.apply(rightValue);
+	}
+
+	@Override
+	public <BoundLeft, BoundRight> IPair<BoundLeft, BoundRight> bind(
+			BiFunction<LeftType, RightType, IPair<BoundLeft, BoundRight>> binder) {
+		return binder.apply(leftValue, rightValue);
+	}
+
+	@Override
+	public <MergedType> MergedType merge(
+			BiFunction<LeftType, RightType, MergedType> merger) {
+		return merger.apply(leftValue, rightValue);
+	}
+}
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