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.apex.malhar.contrib.misc.streamquery.condition;
  
  import java.util.ArrayList;
  import java.util.Map;
  
  import javax.validation.constraints.NotNull;
  
  import org.apache.apex.malhar.contrib.misc.streamquery.function.FunctionIndex;
  
  /**
   *  A base class for Group,Having operator with aggregate index constraint.&nsbsp; Subclasses should provide the
      implementation to check if aggregate is valid.
   * <p>
   * @displayName Having Condition
   * @category Stream Manipulators
   * @tags sql condition, index, group
   * @since 0.3.4
   * @deprecated
   */
  @Deprecated
  public abstract class HavingCondition
  {
    /**
     * Aggregate index to be validated.
     */
    protected FunctionIndex aggregateIndex = null;
  
    /**
     * @param aggregateIndex Aggregate index to be validated.
     */
    public HavingCondition(FunctionIndex aggregateIndex)
    {
      this.aggregateIndex = aggregateIndex;
    }
  
    /**
     *  Check if aggregate is valid.
     */
    public abstract boolean isValidAggregate(@NotNull ArrayList<Map<String, Object>> rows) throws Exception;
  }
  