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package org.sfm.utils;

import java.util.Spliterator;
import java.util.function.Consumer;

public class ForEachIteratorSpliterator implements Spliterator {
    private final ForEachIterator iterator;

    public ForEachIteratorSpliterator(ForEachIterator iterator) {
        this.iterator = iterator;
    }

    @Override
    public boolean tryAdvance(Consumer action) {
        try {

            return iterator.next(new RowHandler() {
                @Override
                public void handle(T t) throws Exception {
                    action.accept(t);
                }
            });
        } catch (Exception e) {
            return ErrorHelper.rethrow(e);
        }
    }

    @Override
    public void forEachRemaining(Consumer action) {
        try {
            iterator.forEach(new RowHandler() {
                @Override
                public void handle(T t) throws Exception {
                    action.accept(t);
                }
            });
        } catch (Exception e) {
            ErrorHelper.rethrow(e);
        }
    }

    @Override
    public Spliterator trySplit() {
        return null;
    }

    @Override
    public long estimateSize() {
        return Long.MAX_VALUE;
    }

    @Override
    public int characteristics() {
        return Spliterator.ORDERED | Spliterator.NONNULL;
    }
}