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package com.github.fakemongo.impl.aggregation;

import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.annotations.ThreadSafe;
import java.util.List;

/**
 * User: william
 * Date: 24/07/13
 */
@ThreadSafe
public class Skip extends PipelineKeyword {
  public static final Skip INSTANCE = new Skip();

  private Skip() {
  }

  /**
   */
  @Override
  public DBCollection apply(DB originalDB, DBCollection coll, DBObject object) {
    List objects = coll.find().skip(((Number) object.get(getKeyword())).intValue()).toArray();
    return dropAndInsert(coll, objects);
  }

  @Override
  public String getKeyword() {
    return "$skip";
  }
}