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/*
 * Copyright 2011,2012 Metamarkets Group Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.metamx.common.guava.nary;

import java.util.Comparator;
import java.util.Iterator;

/**
 */
public class SortedMergeIterable implements Iterable
{
  public static  SortedMergeIterable create(
      Iterable lhs,
      Iterable rhs,
      Comparator comparator,
      BinaryFn fn
  )
  {
    return new SortedMergeIterable<>(lhs, rhs, comparator, fn);
  }

  private final Iterable lhs;
  private final Iterable rhs;
  private final Comparator comparator;
  private final BinaryFn fn;

  public SortedMergeIterable(
      Iterable lhs,
      Iterable rhs,
      Comparator comparator,
      BinaryFn fn
  )
  {
    this.lhs = lhs;
    this.rhs = rhs;
    this.comparator = comparator;
    this.fn = fn;
  }

  @Override
  public Iterator iterator()
  {
    return  SortedMergeIterator.create(lhs.iterator(), rhs.iterator(), comparator, fn);
  }
}