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authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2020-11-11 12:23:57 -0400
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2020-11-11 12:23:57 -0400
commit0805c271505340c1da60a1b8920560bae73f21a9 (patch)
tree2703917145a8e8aee7bd4ad55634c65ed688dda6 /src/main/java/bjc/data/Lazy.java
parentd3239ea7b6945d449c0361416ab54fec6f9643e6 (diff)
parentc56a10f7c943dd9e9f04854395638babfaba6529 (diff)
Merge branch 'master' of https://github.com/bculkin2442/esodata
Diffstat (limited to 'src/main/java/bjc/data/Lazy.java')
-rw-r--r--src/main/java/bjc/data/Lazy.java62
1 files changed, 35 insertions, 27 deletions
diff --git a/src/main/java/bjc/data/Lazy.java b/src/main/java/bjc/data/Lazy.java
index a425232..8573325 100644
--- a/src/main/java/bjc/data/Lazy.java
+++ b/src/main/java/bjc/data/Lazy.java
@@ -65,13 +65,14 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
bind(final Function<ContainedType, IHolder<BoundType>> binder) {
final IList<UnaryOperator<ContainedType>> pendingActions = new FunctionalList<>();
- actions.forEach(pendingActions::add);
+ for (UnaryOperator<ContainedType> action : actions) {
+ pendingActions.add(action);
+ }
+
final Supplier<ContainedType> supplier = () -> {
- if (valueMaterialized)
- return heldValue;
-
- return valueSupplier.get();
+ if (valueMaterialized) return heldValue;
+ else return valueSupplier.get();
};
return new BoundLazy<>(() -> new Lazy<>(supplier, pendingActions), binder);
@@ -87,8 +88,10 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
public <MappedType> IHolder<MappedType>
map(final Function<ContainedType, MappedType> mapper) {
final IList<UnaryOperator<ContainedType>> pendingActions = new FunctionalList<>();
-
- actions.forEach(pendingActions::add);
+
+ for (UnaryOperator<ContainedType> action : actions) {
+ pendingActions.add(action);
+ }
return new Lazy<>(() -> {
ContainedType currVal = heldValue;
@@ -97,7 +100,8 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
currVal = valueSupplier.get();
}
- return pendingActions.reduceAux(currVal, UnaryOperator<ContainedType>::apply,
+ return pendingActions.reduceAux(currVal,
+ UnaryOperator<ContainedType>::apply,
value -> mapper.apply(value));
});
}
@@ -107,12 +111,18 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
if (valueMaterialized) {
if (actions.isEmpty()) {
return String.format("value[v='%s']", heldValue);
+ } else {
+ return String.format("value[v='%s'] (has %d pending transforms)",
+ heldValue, actions.getSize());
}
-
- return String.format("value[v='%s'] (has pending transforms)", heldValue);
}
- return "(unmaterialized)";
+ if (actions.isEmpty()) {
+ return"(unmaterialized)";
+ } else {
+ return String.format("(unmaterialized; has %d pending transforms",
+ actions.getSize());
+ }
}
@Override
@@ -132,9 +142,9 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
valueMaterialized = true;
}
- actions.forEach(action -> {
- heldValue = action.apply(heldValue);
- });
+ for (UnaryOperator<ContainedType> action : actions) {
+ heldValue = action.apply(heldValue);
+ }
actions = new FunctionalList<>();
@@ -155,12 +165,9 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
@Override
public boolean equals(final Object obj) {
- if (this == obj)
- return true;
- if (obj == null)
- return false;
- if (!(obj instanceof Lazy<?>))
- return false;
+ if (this == obj) return true;
+ if (obj == null) return false;
+ if (!(obj instanceof Lazy<?>)) return false;
final Lazy<?> other = (Lazy<?>) obj;
@@ -169,18 +176,19 @@ public class Lazy<ContainedType> implements IHolder<ContainedType> {
if (valueMaterialized) {
if (heldValue == null) {
- if (other.heldValue != null)
- return false;
- } else if (!heldValue.equals(other.heldValue))
+ if (other.heldValue != null) return false;
+ } else if (!heldValue.equals(other.heldValue)) {
return false;
- } else
+ }
+ } else {
return false;
+ }
if (actions == null) {
- if (other.actions != null)
- return false;
- } else if (actions.getSize() > 0 || other.actions.getSize() > 0)
+ if (other.actions != null) return false;
+ } else if (actions.getSize() > 0 || other.actions.getSize() > 0) {
return false;
+ }
return true;
}