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package org.javimmutable.collections.iterators;

import org.javimmutable.collections.IterableStreamable;
import org.javimmutable.collections.JImmutableMap;
import org.javimmutable.collections.MapEntry;
import org.javimmutable.collections.SplitableIterator;

import javax.annotation.Nonnull;

public class EntryIterableStreamable, D extends IterableStreamable>>
    implements IterableStreamable>
{
    private final D source;

    public EntryIterableStreamable(@Nonnull D source)
    {
        this.source = source;
    }

    @Nonnull
    @Override
    public SplitableIterator> iterator()
    {
        return LazyMultiIterator.transformed(source.iterator(), e -> () -> TransformIterator.of(e.getValue().iterator(), v -> MapEntry.of(e.getKey(), v)));
    }

    @Override
    public int getSpliteratorCharacteristics()
    {
        return source.getSpliteratorCharacteristics();
    }
}