diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/BoundLazy.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/data/BoundLazy.java | 49 |
1 files changed, 23 insertions, 26 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazy.java b/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazy.java index 1256e31..b6cd715 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazy.java +++ b/BJC-Utils2/src/main/java/bjc/utils/data/BoundLazy.java @@ -15,28 +15,27 @@ class BoundLazy<OldType, BoundContainedType> /* * The old value */ - private Supplier<IHolder<OldType>> oldSupplier; + private Supplier<IHolder<OldType>> oldSupplier; /* * The function to use to transform the old value into a new value */ - private Function<OldType, IHolder<BoundContainedType>> binder; + private Function<OldType, IHolder<BoundContainedType>> binder; /* * The bound value being held */ - private IHolder<BoundContainedType> boundHolder; + private IHolder<BoundContainedType> boundHolder; /* * Whether the bound value has been actualized or not */ - private boolean holderBound; + private boolean holderBound; /* * Transformations currently pending on the bound value */ - private IList<UnaryOperator<BoundContainedType>> actions = - new FunctionalList<>(); + private IList<UnaryOperator<BoundContainedType>> actions = new FunctionalList<>(); /* * Create a new bound lazy value @@ -48,13 +47,12 @@ class BoundLazy<OldType, BoundContainedType> } @Override - public <BoundType> IHolder<BoundType> - bind(Function<BoundContainedType, IHolder<BoundType>> bindr) { + public <BoundType> IHolder<BoundType> bind( + Function<BoundContainedType, IHolder<BoundType>> bindr) { /* * Prepare a list of pending actions */ - IList<UnaryOperator<BoundContainedType>> pendingActions = - new FunctionalList<>(); + IList<UnaryOperator<BoundContainedType>> pendingActions = new FunctionalList<>(); actions.forEach(pendingActions::add); /* @@ -82,11 +80,18 @@ class BoundLazy<OldType, BoundContainedType> } @Override - public <MappedType> IHolder<MappedType> - map(Function<BoundContainedType, MappedType> mapper) { + public <NewType> Function<BoundContainedType, IHolder<NewType>> lift( + Function<BoundContainedType, NewType> func) { + return (val) -> { + return new Lazy<>(func.apply(val)); + }; + } + + @Override + public <MappedType> IHolder<MappedType> map( + Function<BoundContainedType, MappedType> mapper) { // Prepare a list of pending actions - IList<UnaryOperator<BoundContainedType>> pendingActions = - new FunctionalList<>(); + IList<UnaryOperator<BoundContainedType>> pendingActions = new FunctionalList<>(); actions.forEach(pendingActions::add); // Prepare the new supplier @@ -117,28 +122,20 @@ class BoundLazy<OldType, BoundContainedType> } @Override - public IHolder<BoundContainedType> - transform(UnaryOperator<BoundContainedType> transformer) { + public IHolder<BoundContainedType> transform( + UnaryOperator<BoundContainedType> transformer) { actions.add(transformer); return this; } @Override - public <UnwrappedType> UnwrappedType - unwrap(Function<BoundContainedType, UnwrappedType> unwrapper) { + public <UnwrappedType> UnwrappedType unwrap( + Function<BoundContainedType, UnwrappedType> unwrapper) { if (!holderBound) { boundHolder = oldSupplier.get().unwrap(binder::apply); } return boundHolder.unwrap(unwrapper); } - - @Override - public <NewType> Function<BoundContainedType, IHolder<NewType>> - lift(Function<BoundContainedType, NewType> func) { - return (val) -> { - return new Lazy<>(func.apply(val)); - }; - } }
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