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authorBen Culkin <scorpress@gmail.com>2020-04-13 18:43:13 -0400
committerBen Culkin <scorpress@gmail.com>2020-04-13 18:43:13 -0400
commitf51f6da7319787348c38b875652b5c0e9f88c8aa (patch)
tree943888fc724da2d2dedd89abec99dcbfcc089fd0 /src/main/java/bjc/data/Pair.java
parent9052ed6da37af23ea82588d248f409e60a33c6cb (diff)
Cleanup pass
Pass to do some cleanups
Diffstat (limited to 'src/main/java/bjc/data/Pair.java')
-rw-r--r--src/main/java/bjc/data/Pair.java81
1 files changed, 51 insertions, 30 deletions
diff --git a/src/main/java/bjc/data/Pair.java b/src/main/java/bjc/data/Pair.java
index 3c1b7b5..610e89c 100644
--- a/src/main/java/bjc/data/Pair.java
+++ b/src/main/java/bjc/data/Pair.java
@@ -9,10 +9,10 @@ import java.util.function.Function;
* @author ben
*
* @param <LeftType>
- * The type of the left value.
+ * The type of the left value.
*
* @param <RightType>
- * The type of the right value.
+ * The type of the right value.
*/
public class Pair<LeftType, RightType> implements IPair<LeftType, RightType> {
/* The left value. */
@@ -29,10 +29,10 @@ public class Pair<LeftType, RightType> implements IPair<LeftType, RightType> {
* Create a new pair with both sides set to the specified values.
*
* @param left
- * The value of the left side.
+ * The value of the left side.
*
* @param right
- * The value of the right side.
+ * The value of the right side.
*/
public Pair(final LeftType left, final RightType right) {
leftValue = left;
@@ -42,15 +42,17 @@ public class Pair<LeftType, RightType> implements IPair<LeftType, RightType> {
@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.");
+ 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");
+ 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);
}
@@ -58,16 +60,19 @@ public class Pair<LeftType, RightType> implements IPair<LeftType, RightType> {
@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");
+ 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) {
+ 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);
@@ -77,35 +82,44 @@ public class Pair<LeftType, RightType> implements IPair<LeftType, RightType> {
}
@Override
- public <NewLeft> IPair<NewLeft, RightType> mapLeft(final Function<LeftType, NewLeft> mapper) {
- if(mapper == null) throw new NullPointerException("Mapper must not be null");
+ 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");
+ 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");
+ 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);
+ return String.format("Pair [leftValue='%s', rightValue='%s']", leftValue,
+ rightValue);
}
+ @Override
public LeftType getLeft() {
return leftValue;
}
+ @Override
public RightType getRight() {
return rightValue;
}
@@ -123,19 +137,26 @@ public class Pair<LeftType, RightType> implements IPair<LeftType, RightType> {
@Override
public boolean equals(final Object obj) {
- if(this == obj) return true;
- if(obj == null) return false;
- if(!(obj instanceof Pair<?, ?>)) return false;
+ 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;
+ 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;
}