diff options
Diffstat (limited to 'base/src/main/java/bjc/utils/data/TransformIterator.java')
| -rw-r--r-- | base/src/main/java/bjc/utils/data/TransformIterator.java | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/base/src/main/java/bjc/utils/data/TransformIterator.java b/base/src/main/java/bjc/utils/data/TransformIterator.java new file mode 100644 index 0000000..50f28b1 --- /dev/null +++ b/base/src/main/java/bjc/utils/data/TransformIterator.java @@ -0,0 +1,46 @@ +package bjc.utils.data; + +import java.util.Iterator; +import java.util.function.Function; + +/** + * An iterator that transforms values from one type to another. + * + * @author EVE + * + * @param <S> + * The source iterator type. + * + * @param <D> + * The destination iterator type. + */ +public class TransformIterator<S, D> implements Iterator<D> { + private final Iterator<S> source; + + private final Function<S, D> transform; + + /** + * Create a new transform iterator. + * + * @param source + * The source iterator to use. + * + * @param transform + * The transform to apply. + */ + public TransformIterator(final Iterator<S> source, final Function<S, D> transform) { + this.source = source; + this.transform = transform; + } + + @Override + public boolean hasNext() { + return source.hasNext(); + } + + @Override + public D next() { + return transform.apply(source.next()); + } + +} |
