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Diffstat (limited to 'base/src/main/java/bjc/utils/data/internals/WrappedOption.java')
-rw-r--r--base/src/main/java/bjc/utils/data/internals/WrappedOption.java96
1 files changed, 0 insertions, 96 deletions
diff --git a/base/src/main/java/bjc/utils/data/internals/WrappedOption.java b/base/src/main/java/bjc/utils/data/internals/WrappedOption.java
deleted file mode 100644
index 19d5e26..0000000
--- a/base/src/main/java/bjc/utils/data/internals/WrappedOption.java
+++ /dev/null
@@ -1,96 +0,0 @@
-package bjc.utils.data.internals;
-
-import java.util.function.Function;
-import java.util.function.UnaryOperator;
-
-import bjc.utils.data.IHolder;
-import bjc.utils.data.Option;
-
-/**
- * A wrapped optional value.
- *
- * @author Ben Culkin.
- * @param <ContainedType>
- * The wrapped type.
- */
-public class WrappedOption<ContainedType> implements IHolder<ContainedType> {
- /* The held value. */
- private final IHolder<IHolder<ContainedType>> held;
-
- /**
- * Create a new wrapped option.
- *
- * @param seedValue
- * The value to wrap.
- */
- public WrappedOption(final IHolder<ContainedType> seedValue) {
- held = new Option<>(seedValue);
- }
-
- /*
- * The dummy parameter is to ensure the compiler can pick the right
- * method, because without this method erases to the same type as the
- * public one.
- */
- private WrappedOption(final IHolder<IHolder<ContainedType>> toHold,
- @SuppressWarnings("unused") final boolean dummy) {
- held = toHold;
- }
-
- @Override
- public <BoundType> IHolder<BoundType> bind(final Function<ContainedType, IHolder<BoundType>> binder) {
- final IHolder<IHolder<BoundType>> newHolder = held.map((containedHolder) -> {
- return containedHolder.bind((containedValue) -> {
- if(containedValue == null) return new Option<>(null);
-
- return binder.apply(containedValue);
- });
- });
-
- return new WrappedOption<>(newHolder, false);
- }
-
- @Override
- public <NewType> Function<ContainedType, IHolder<NewType>> lift(final Function<ContainedType, NewType> func) {
- return (val) -> {
- return new Option<>(func.apply(val));
- };
- }
-
- @Override
- public <MappedType> IHolder<MappedType> map(final Function<ContainedType, MappedType> mapper) {
- final IHolder<IHolder<MappedType>> newHolder = held.map((containedHolder) -> {
- return containedHolder.map((containedValue) -> {
- if(containedValue == null) return null;
-
- return mapper.apply(containedValue);
- });
- });
-
- return new WrappedOption<>(newHolder, false);
- }
-
- @Override
- public IHolder<ContainedType> transform(final UnaryOperator<ContainedType> transformer) {
- held.transform((containedHolder) -> {
- return containedHolder.transform((containedValue) -> {
- if(containedValue == null) return null;
-
- return transformer.apply(containedValue);
- });
- });
-
- return this;
- }
-
- @Override
- public <UnwrappedType> UnwrappedType unwrap(final Function<ContainedType, UnwrappedType> unwrapper) {
- return held.unwrap((containedHolder) -> {
- return containedHolder.unwrap((containedValue) -> {
- if(containedValue == null) return null;
-
- return unwrapper.apply(containedValue);
- });
- });
- }
-}