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package com.algolia.search.iterators;

import com.algolia.search.SearchIndex;
import com.algolia.search.models.RequestOptions;
import com.algolia.search.models.indexing.BrowseIndexQuery;
import java.util.Iterator;
import java.util.Objects;
import javax.annotation.Nonnull;

@SuppressWarnings("WeakerAccess")
public class IndexIterable implements Iterable {

  private final SearchIndex index;
  private final BrowseIndexQuery query;
  private final RequestOptions requestOptions;

  public IndexIterable(@Nonnull SearchIndex index) {
    this(index, new BrowseIndexQuery());
  }

  public IndexIterable(@Nonnull SearchIndex index, @Nonnull BrowseIndexQuery query) {
    this(index, query, null);
  }

  public IndexIterable(
      @Nonnull SearchIndex index,
      @Nonnull BrowseIndexQuery query,
      RequestOptions requestOptions) {

    Objects.requireNonNull(index, "Index is required");
    Objects.requireNonNull(query, "Query is required");

    this.index = index;
    this.query = query;
    this.requestOptions = requestOptions;
  }

  @Override
  @Nonnull
  public Iterator iterator() {
    return new IndexIterator<>(index, query, requestOptions);
  }
}