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Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/Pair.java')
-rw-r--r--BJC-Utils2/src/main/java/bjc/utils/data/Pair.java135
1 files changed, 0 insertions, 135 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
deleted file mode 100644
index e6796ba..0000000
--- a/BJC-Utils2/src/main/java/bjc/utils/data/Pair.java
+++ /dev/null
@@ -1,135 +0,0 @@
-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> {
- // The left value
- private LeftType leftValue;
-
- // The right value
- 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(final LeftType left, final RightType right) {
- leftValue = left;
- rightValue = right;
- }
-
- @Override
- public <BoundLeft, BoundRight> IPair<BoundLeft, BoundRight> bind(
- final BiFunction<LeftType, RightType, IPair<BoundLeft, BoundRight>> binder) {
- if (binder == null) throw new NullPointerException("Binder must not be null.");
-
- return binder.apply(leftValue, rightValue);
- }
-
- @Override
- public <BoundLeft> IPair<BoundLeft, RightType> bindLeft(
- final Function<LeftType, IPair<BoundLeft, RightType>> leftBinder) {
- if (leftBinder == null) throw new NullPointerException("Binder must not be null");
-
- return leftBinder.apply(leftValue);
- }
-
- @Override
- public <BoundRight> IPair<LeftType, BoundRight> bindRight(
- final Function<RightType, IPair<LeftType, BoundRight>> rightBinder) {
- if (rightBinder == null) throw new NullPointerException("Binder must not be null");
-
- return rightBinder.apply(rightValue);
- }
-
- @Override
- public <OtherLeft, OtherRight, CombinedLeft, CombinedRight> IPair<CombinedLeft, CombinedRight> combine(
- final IPair<OtherLeft, OtherRight> otherPair,
- final BiFunction<LeftType, OtherLeft, CombinedLeft> leftCombiner,
- final BiFunction<RightType, OtherRight, CombinedRight> rightCombiner) {
- return otherPair.bind((otherLeft, otherRight) -> {
- final CombinedLeft left = leftCombiner.apply(leftValue, otherLeft);
- final CombinedRight right = rightCombiner.apply(rightValue, otherRight);
-
- return new Pair<>(left, right);
- });
- }
-
- @Override
- public <NewLeft> IPair<NewLeft, RightType> mapLeft(final Function<LeftType, NewLeft> mapper) {
- if (mapper == null) throw new NullPointerException("Mapper must not be null");
-
- return new Pair<>(mapper.apply(leftValue), rightValue);
- }
-
- @Override
- public <NewRight> IPair<LeftType, NewRight> mapRight(final Function<RightType, NewRight> mapper) {
- if (mapper == null) throw new NullPointerException("Mapper must not be null");
-
- return new Pair<>(leftValue, mapper.apply(rightValue));
- }
-
- @Override
- public <MergedType> MergedType merge(final BiFunction<LeftType, RightType, MergedType> merger) {
- if (merger == null) throw new NullPointerException("Merger must not be null");
-
- return merger.apply(leftValue, rightValue);
- }
-
- @Override
- public String toString() {
- return String.format("Pair [leftValue='%s', rightValue='%s']", leftValue, rightValue);
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
-
- result = prime * result + (leftValue == null ? 0 : leftValue.hashCode());
- result = prime * result + (rightValue == null ? 0 : rightValue.hashCode());
-
- return result;
- }
-
- @Override
- public boolean equals(final Object obj) {
- if (this == obj) return true;
- if (obj == null) return false;
- if (!(obj instanceof Pair<?, ?>)) return false;
-
- final Pair<?, ?> other = (Pair<?, ?>) obj;
-
- if (leftValue == null) {
- if (other.leftValue != null) return false;
- } else if (!leftValue.equals(other.leftValue)) return false;
-
- if (rightValue == null) {
- if (other.rightValue != null) return false;
- } else if (!rightValue.equals(other.rightValue)) return false;
-
- return true;
- }
-}