diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/internals/BoundLazyPair.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/data/internals/BoundLazyPair.java | 66 |
1 files changed, 23 insertions, 43 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/internals/BoundLazyPair.java b/BJC-Utils2/src/main/java/bjc/utils/data/internals/BoundLazyPair.java index d425d99..6ab8121 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/data/internals/BoundLazyPair.java +++ b/BJC-Utils2/src/main/java/bjc/utils/data/internals/BoundLazyPair.java @@ -1,14 +1,14 @@ package bjc.utils.data.internals; -import java.util.function.BiFunction; -import java.util.function.Function; -import java.util.function.Supplier; - import bjc.utils.data.IHolder; import bjc.utils.data.IPair; import bjc.utils.data.Identity; import bjc.utils.data.LazyPair; +import java.util.function.BiFunction; +import java.util.function.Function; +import java.util.function.Supplier; + /** * Implements a lazy pair that has been bound */ @@ -47,15 +47,13 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @Override public <BoundLeft, BoundRight> IPair<BoundLeft, BoundRight> bind( BiFunction<NewLeft, NewRight, IPair<BoundLeft, BoundRight>> bindr) { - if (bindr == null) { - throw new NullPointerException("Binder must not be null"); - } + if(bindr == null) throw new NullPointerException("Binder must not be null"); IHolder<IPair<NewLeft, NewRight>> newPair = new Identity<>(boundPair); IHolder<Boolean> newPairMade = new Identity<>(pairBound); Supplier<NewLeft> leftSupp = () -> { - if (!newPairMade.getValue()) { + if(!newPairMade.getValue()) { newPair.replace(binder.apply(leftSupplier.get(), rightSupplier.get())); newPairMade.replace(true); @@ -65,7 +63,7 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai }; Supplier<NewRight> rightSupp = () -> { - if (!newPairMade.getValue()) { + if(!newPairMade.getValue()) { newPair.replace(binder.apply(leftSupplier.get(), rightSupplier.get())); newPairMade.replace(true); @@ -80,14 +78,12 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @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"); - } + if(leftBinder == null) throw new NullPointerException("Left binder must not be null"); Supplier<NewLeft> leftSupp = () -> { IPair<NewLeft, NewRight> newPair = boundPair; - if (!pairBound) { + if(!pairBound) { newPair = binder.apply(leftSupplier.get(), rightSupplier.get()); } @@ -100,14 +96,12 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @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"); - } + if(rightBinder == null) throw new NullPointerException("Right binder must not be null"); Supplier<NewRight> rightSupp = () -> { IPair<NewLeft, NewRight> newPair = boundPair; - if (!pairBound) { + if(!pairBound) { newPair = binder.apply(leftSupplier.get(), rightSupplier.get()); } @@ -122,13 +116,11 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai IPair<OtherLeft, OtherRight> otherPair, BiFunction<NewLeft, OtherLeft, CombinedLeft> leftCombiner, BiFunction<NewRight, OtherRight, CombinedRight> rightCombiner) { - if (otherPair == null) { + if(otherPair == null) throw new NullPointerException("Other pair must not be null"); - } else if (leftCombiner == 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"); - } + else if(rightCombiner == null) throw new NullPointerException("Right combiner must not be null"); return otherPair.bind((otherLeft, otherRight) -> { return bind((leftVal, rightVal) -> { @@ -140,12 +132,10 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @Override public <NewLeftType> IPair<NewLeftType, NewRight> mapLeft(Function<NewLeft, NewLeftType> mapper) { - if (mapper == null) { - throw new NullPointerException("Mapper must not be null"); - } + if(mapper == null) throw new NullPointerException("Mapper must not be null"); Supplier<NewLeftType> leftSupp = () -> { - if (!pairBound) { + if(!pairBound) { NewLeft leftVal = binder.apply(leftSupplier.get(), rightSupplier.get()).getLeft(); return mapper.apply(leftVal); @@ -155,9 +145,7 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai }; Supplier<NewRight> rightSupp = () -> { - if (!pairBound) { - return binder.apply(leftSupplier.get(), rightSupplier.get()).getRight(); - } + if(!pairBound) return binder.apply(leftSupplier.get(), rightSupplier.get()).getRight(); return boundPair.getRight(); }; @@ -167,20 +155,16 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @Override public <NewRightType> IPair<NewLeft, NewRightType> mapRight(Function<NewRight, NewRightType> mapper) { - if (mapper == null) { - throw new NullPointerException("Mapper must not be null"); - } + if(mapper == null) throw new NullPointerException("Mapper must not be null"); Supplier<NewLeft> leftSupp = () -> { - if (!pairBound) { - return binder.apply(leftSupplier.get(), rightSupplier.get()).getLeft(); - } + if(!pairBound) return binder.apply(leftSupplier.get(), rightSupplier.get()).getLeft(); return boundPair.getLeft(); }; Supplier<NewRightType> rightSupp = () -> { - if (!pairBound) { + if(!pairBound) { NewRight rightVal = binder.apply(leftSupplier.get(), rightSupplier.get()).getRight(); return mapper.apply(rightVal); @@ -194,11 +178,9 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @Override public <MergedType> MergedType merge(BiFunction<NewLeft, NewRight, MergedType> merger) { - if (merger == null) { - throw new NullPointerException("Merger must not be null"); - } + if(merger == null) throw new NullPointerException("Merger must not be null"); - if (!pairBound) { + if(!pairBound) { boundPair = binder.apply(leftSupplier.get(), rightSupplier.get()); pairBound = true; @@ -209,9 +191,7 @@ public class BoundLazyPair<OldLeft, OldRight, NewLeft, NewRight> implements IPai @Override public String toString() { - if (pairBound) { - return boundPair.toString(); - } + if(pairBound) return boundPair.toString(); return "(un-materialized)"; } |