content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to you 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 org.apache.calcite.adapter.enumerable;
  
  import java.util.List;
  
  /** Class with static Helpers for MATCH_RECOGNIZE. */
  public class MatchUtils {
  
    // Should not be instantiated
    private MatchUtils() {
      throw new IllegalStateException();
    }
  
    /**
     * Returns the row with the highest index whose corresponding symbol matches, null otherwise.
     *
     * @param symbol Target Symbol
     * @param rows List of passed rows
     * @param symbols Corresponding symbols to rows
     * @return index or -1
     */
    public static <E> int lastWithSymbol(String symbol, List<E> rows, List<String> symbols,
        int startIndex) {
      for (int i = startIndex; i >= 0; i--) {
        if (symbol.equals(symbols.get(i))) {
          return i;
        }
      }
      return -1;
    }
  
    public static void print(int s) {
      System.out.println(s);
    }
  }
  