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Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/ListHolder.java')
-rw-r--r--BJC-Utils2/src/main/java/bjc/utils/data/ListHolder.java104
1 files changed, 0 insertions, 104 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/ListHolder.java b/BJC-Utils2/src/main/java/bjc/utils/data/ListHolder.java
deleted file mode 100644
index 142057c..0000000
--- a/BJC-Utils2/src/main/java/bjc/utils/data/ListHolder.java
+++ /dev/null
@@ -1,104 +0,0 @@
-package bjc.utils.data;
-
-import java.util.function.Function;
-import java.util.function.UnaryOperator;
-
-import bjc.utils.data.internals.BoundListHolder;
-import bjc.utils.funcdata.FunctionalList;
-import bjc.utils.funcdata.IList;
-
-/**
- * A holder that represents a set of non-deterministic computations
- *
- * @author ben
- *
- * @param <ContainedType>
- * The type of contained value
- */
-public class ListHolder<ContainedType> implements IHolder<ContainedType> {
- private IList<ContainedType> heldValues;
-
- /**
- * Create a new list holder
- *
- * @param values
- * The possible values for the computation
- */
- @SafeVarargs
- public ListHolder(final ContainedType... values) {
- heldValues = new FunctionalList<>();
-
- if (values != null) {
- for (final ContainedType containedValue : values) {
- heldValues.add(containedValue);
- }
- }
- }
-
- private ListHolder(final IList<ContainedType> toHold) {
- heldValues = toHold;
- }
-
- @Override
- public <BoundType> IHolder<BoundType> bind(final Function<ContainedType, IHolder<BoundType>> binder) {
- final IList<IHolder<BoundType>> boundValues = heldValues.map(binder);
-
- return new BoundListHolder<>(boundValues);
- }
-
- @Override
- public <NewType> Function<ContainedType, IHolder<NewType>> lift(final Function<ContainedType, NewType> func) {
- return val -> {
- return new ListHolder<>(new FunctionalList<>(func.apply(val)));
- };
- }
-
- @Override
- public <MappedType> IHolder<MappedType> map(final Function<ContainedType, MappedType> mapper) {
- final IList<MappedType> mappedValues = heldValues.map(mapper);
-
- return new ListHolder<>(mappedValues);
- }
-
- @Override
- public IHolder<ContainedType> transform(final UnaryOperator<ContainedType> transformer) {
- heldValues = heldValues.map(transformer);
-
- return this;
- }
-
- @Override
- public <UnwrappedType> UnwrappedType unwrap(final Function<ContainedType, UnwrappedType> unwrapper) {
- return unwrapper.apply(heldValues.randItem());
- }
-
- @Override
- public String toString() {
- return String.format("ListHolder [heldValues=%s]", heldValues);
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
-
- result = prime * result + (heldValues == null ? 0 : heldValues.hashCode());
-
- return result;
- }
-
- @Override
- public boolean equals(final Object obj) {
- if (this == obj) return true;
- if (obj == null) return false;
- if (!(obj instanceof ListHolder<?>)) return false;
-
- final ListHolder<?> other = (ListHolder<?>) obj;
-
- if (heldValues == null) {
- if (other.heldValues != null) return false;
- } else if (!heldValues.equals(other.heldValues)) return false;
-
- return true;
- }
-}