diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/LazyPair.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/data/LazyPair.java | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/LazyPair.java b/BJC-Utils2/src/main/java/bjc/utils/data/LazyPair.java index d69a7bb..b02d9cb 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/data/LazyPair.java +++ b/BJC-Utils2/src/main/java/bjc/utils/data/LazyPair.java @@ -59,6 +59,12 @@ public class LazyPair<LeftType, RightType> } @Override + public <BoundLeft, BoundRight> IPair<BoundLeft, BoundRight> bind( + BiFunction<LeftType, RightType, IPair<BoundLeft, BoundRight>> binder) { + return new BoundLazyPair<>(leftSupplier, rightSupplier, binder); + } + + @Override public <BoundLeft> IPair<BoundLeft, RightType> bindLeft( Function<LeftType, IPair<BoundLeft, RightType>> leftBinder) { Supplier<LeftType> leftSupp = () -> { @@ -87,49 +93,43 @@ public class LazyPair<LeftType, RightType> } @Override - public <BoundLeft, BoundRight> IPair<BoundLeft, BoundRight> bind( - BiFunction<LeftType, RightType, IPair<BoundLeft, BoundRight>> binder) { - return new BoundLazyPair<>(leftSupplier, rightSupplier, binder); - } - - @Override - public <MergedType> MergedType merge( - BiFunction<LeftType, RightType, MergedType> merger) { + public LeftType getLeft() { if (!leftMaterialized) { leftValue = leftSupplier.get(); leftMaterialized = true; } + return leftValue; + } + + @Override + public RightType getRight() { if (!rightMaterialized) { rightValue = rightSupplier.get(); rightMaterialized = true; } - return merger.apply(leftValue, rightValue); + return rightValue; } @Override - public LeftType getLeft() { + public <MergedType> MergedType merge( + BiFunction<LeftType, RightType, MergedType> merger) { if (!leftMaterialized) { leftValue = leftSupplier.get(); leftMaterialized = true; } - return leftValue; - } - - @Override - public RightType getRight() { if (!rightMaterialized) { rightValue = rightSupplier.get(); rightMaterialized = true; } - return rightValue; + return merger.apply(leftValue, rightValue); } @Override |