From 77fcc58d1facffbc3af50be8c05985350e9f1355 Mon Sep 17 00:00:00 2001
From: bculkin2442 <bjculkin@mix.wvu.edu>
Date: Sun, 17 Apr 2016 15:01:44 -0400
Subject: Code maintenace and changes

---
 .../java/bjc/utils/data/experimental/Lazy.java     | 228 ---------------------
 1 file changed, 228 deletions(-)
 delete mode 100644 BJC-Utils2/src/main/java/bjc/utils/data/experimental/Lazy.java

(limited to 'BJC-Utils2/src/main/java/bjc/utils/data/experimental/Lazy.java')

diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/experimental/Lazy.java b/BJC-Utils2/src/main/java/bjc/utils/data/experimental/Lazy.java
deleted file mode 100644
index 0d6fcef..0000000
--- a/BJC-Utils2/src/main/java/bjc/utils/data/experimental/Lazy.java
+++ /dev/null
@@ -1,228 +0,0 @@
-package bjc.utils.data.experimental;
-
-import java.util.function.Function;
-import java.util.function.Supplier;
-import java.util.function.UnaryOperator;
-
-import bjc.utils.funcdata.FunctionalList;
-import bjc.utils.funcdata.IFunctionalList;
-
-/**
- * A holder that holds a means to create a value, but doesn't actually
- * compute the value until it's needed
- * 
- * @author ben
- *
- * @param <ContainedType>
- */
-public class Lazy<ContainedType> implements IHolder<ContainedType> {
-	private static class BoundLazy<OldType, BoundContainedType>
-			implements IHolder<BoundContainedType> {
-		private Supplier<IHolder<OldType>>							oldSupplier;
-
-		private Function<OldType, IHolder<BoundContainedType>>		binder;
-
-		private IHolder<BoundContainedType>							boundHolder;
-
-		private boolean												holderBound;
-
-		private IFunctionalList<UnaryOperator<BoundContainedType>>	actions	= new FunctionalList<>();
-
-		public BoundLazy(Supplier<IHolder<OldType>> supp,
-				Function<OldType, IHolder<BoundContainedType>> binder) {
-			oldSupplier = supp;
-			this.binder = binder;
-		}
-
-		@Override
-		public <BoundType> IHolder<BoundType> bind(
-				Function<BoundContainedType, IHolder<BoundType>> bindr) {
-			IFunctionalList<UnaryOperator<BoundContainedType>> pendingActions = new FunctionalList<>();
-
-			actions.forEach(pendingActions::add);
-
-			Supplier<IHolder<BoundContainedType>> typeSupplier = () -> {
-				IHolder<BoundContainedType> oldHolder = boundHolder;
-
-				if (!holderBound) {
-					oldHolder = oldSupplier.get().unwrap(binder);
-				}
-
-				return pendingActions.reduceAux(oldHolder,
-						(action, state) -> {
-							return state.transform(action);
-						}, (value) -> value);
-			};
-
-			return new BoundLazy<>(typeSupplier, bindr);
-		}
-
-		@Override
-		public <MappedType> IHolder<MappedType> map(
-				Function<BoundContainedType, MappedType> mapper) {
-			IFunctionalList<UnaryOperator<BoundContainedType>> pendingActions = new FunctionalList<>();
-
-			actions.forEach(pendingActions::add);
-
-			Supplier<MappedType> typeSupplier = () -> {
-				IHolder<BoundContainedType> oldHolder = boundHolder;
-
-				if (!holderBound) {
-					oldHolder = oldSupplier.get().unwrap(binder);
-				}
-
-				return pendingActions.reduceAux(oldHolder.getValue(),
-						(action, state) -> {
-							return action.apply(state);
-						}, (value) -> mapper.apply(value));
-			};
-
-			return new Lazy<>(typeSupplier);
-		}
-
-		@Override
-		public IHolder<BoundContainedType> transform(
-				UnaryOperator<BoundContainedType> transformer) {
-			actions.add(transformer);
-
-			return this;
-		}
-
-		@Override
-		public <UnwrappedType> UnwrappedType unwrap(
-				Function<BoundContainedType, UnwrappedType> unwrapper) {
-			if (!holderBound) {
-				boundHolder = oldSupplier.get().unwrap(binder::apply);
-			}
-
-			return boundHolder.unwrap(unwrapper);
-		}
-
-		@Override
-		public String toString() {
-			if (holderBound) {
-				return boundHolder.toString();
-			}
-
-			return "(unmaterialized)";
-		}
-	}
-
-	private Supplier<ContainedType>							valueSupplier;
-
-	private IFunctionalList<UnaryOperator<ContainedType>>	actions	= new FunctionalList<>();
-
-	private boolean											valueMaterialized;
-
-	private ContainedType									heldValue;
-
-	/**
-	 * Create a new lazy value from the specified seed value
-	 * 
-	 * @param value
-	 *            The seed value to use
-	 */
-	public Lazy(ContainedType value) {
-		heldValue = value;
-
-		valueMaterialized = true;
-	}
-
-	/**
-	 * Create a new lazy value from the specified value source
-	 * 
-	 * @param supp
-	 *            The source of a value to use
-	 */
-	public Lazy(Supplier<ContainedType> supp) {
-		valueSupplier = supp;
-
-		valueMaterialized = false;
-	}
-
-	private Lazy(Supplier<ContainedType> supp,
-			IFunctionalList<UnaryOperator<ContainedType>> pendingActions) {
-		valueSupplier = supp;
-
-		actions = pendingActions;
-	}
-
-	@Override
-	public <BoundType> IHolder<BoundType> bind(
-			Function<ContainedType, IHolder<BoundType>> binder) {
-		IFunctionalList<UnaryOperator<ContainedType>> pendingActions = new FunctionalList<>();
-
-		actions.forEach(pendingActions::add);
-
-		Supplier<ContainedType> supplier = () -> {
-			if (valueMaterialized) {
-				return heldValue;
-			}
-
-			return valueSupplier.get();
-		};
-
-		return new BoundLazy<>(() -> {
-			return new Lazy<>(supplier, pendingActions);
-		}, binder);
-	}
-
-	@Override
-	public <MappedType> IHolder<MappedType> map(
-			Function<ContainedType, MappedType> mapper) {
-		IFunctionalList<UnaryOperator<ContainedType>> pendingActions = new FunctionalList<>();
-
-		actions.forEach(pendingActions::add);
-
-		return new Lazy<>(() -> {
-			ContainedType currVal = heldValue;
-
-			if (!valueMaterialized) {
-				currVal = valueSupplier.get();
-			}
-
-			return pendingActions.reduceAux(currVal,
-					UnaryOperator<ContainedType>::apply,
-					(value) -> mapper.apply(value));
-		});
-	}
-
-	@Override
-	public IHolder<ContainedType> transform(
-			UnaryOperator<ContainedType> transformer) {
-		actions.add(transformer);
-
-		return this;
-	}
-
-	@Override
-	public <UnwrappedType> UnwrappedType unwrap(
-			Function<ContainedType, UnwrappedType> unwrapper) {
-		if (!valueMaterialized) {
-			heldValue = valueSupplier.get();
-
-			valueMaterialized = true;
-		}
-
-		actions.forEach((action) -> {
-			heldValue = action.apply(heldValue);
-		});
-
-		actions = new FunctionalList<>();
-
-		return unwrapper.apply(heldValue);
-	}
-
-	@Override
-	public String toString() {
-		if (valueMaterialized) {
-			if (actions.isEmpty()) {
-				return "value[v='" + heldValue + "']";
-			}
-
-			return "value[v='" + heldValue + "'] (has pending transforms)";
-		}
-
-		return "(unmaterialized)";
-	}
-}
-- 
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