diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/BoundLazyPair.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/data/BoundLazyPair.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazyPair.java b/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazyPair.java index 2b3fb29..c7eb965 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazyPair.java +++ b/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazyPair.java @@ -80,6 +80,10 @@ class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> @Override public <BoundLeft> IPair<BoundLeft, NewRight> bindLeft( Function<NewLeft, IPair<BoundLeft, NewRight>> leftBinder) { + if (leftBinder == null) { + throw new NullPointerException("Left binder must not be null"); + } + Supplier<NewLeft> leftSupp = () -> { IPair<NewLeft, NewRight> newPair = boundPair; @@ -97,6 +101,11 @@ class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> @Override public <BoundRight> IPair<NewLeft, BoundRight> bindRight( Function<NewRight, IPair<NewLeft, BoundRight>> rightBinder) { + if (rightBinder == null) { + throw new NullPointerException( + "Right binder must not be null"); + } + Supplier<NewRight> rightSupp = () -> { IPair<NewLeft, NewRight> newPair = boundPair; @@ -116,6 +125,16 @@ class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> IPair<OtherLeft, OtherRight> otherPair, BiFunction<NewLeft, OtherLeft, CombinedLeft> leftCombiner, BiFunction<NewRight, OtherRight, CombinedRight> rightCombiner) { + if (otherPair == null) { + throw new NullPointerException("Other pair must not be null"); + } else if (leftCombiner == null) { + throw new NullPointerException( + "Left combiner must not be null"); + } else if (rightCombiner == null) { + throw new NullPointerException( + "Right combiner must not be null"); + } + return otherPair.bind((otherLeft, otherRight) -> { return bind((leftVal, rightVal) -> { return new LazyPair<>( @@ -128,6 +147,10 @@ class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> @Override public <NewLeftType> IPair<NewLeftType, NewRight> mapLeft( Function<NewLeft, NewLeftType> mapper) { + if (mapper == null) { + throw new NullPointerException("Mapper must not be null"); + } + Supplier<NewLeftType> leftSupp = () -> { if (!pairBound) { NewLeft leftVal = binder @@ -156,6 +179,10 @@ class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> @Override public <NewRightType> IPair<NewLeft, NewRightType> mapRight( Function<NewRight, NewRightType> mapper) { + if (mapper == null) { + throw new NullPointerException("Mapper must not be null"); + } + Supplier<NewLeft> leftSupp = () -> { if (!pairBound) { return binder @@ -184,6 +211,10 @@ class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> @Override public <MergedType> MergedType merge( BiFunction<NewLeft, NewRight, MergedType> merger) { + if (merger == null) { + throw new NullPointerException("Merger must not be null"); + } + if (!pairBound) { boundPair = binder.apply(leftSupplier.get(), rightSupplier.get()); |