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;
  
  /**
   * Information for a call to
   * {@link AggImplementor#implementReset(AggContext, AggResetContext)}.
   *
   * <p>The {@link AggResetContext} provides access to the accumulator variables
   * that should be reset.
   *
   * <p>Note: the very first reset of windowed aggregates is performed with null
   * knowledge of indices and row count in the partition.
   * In other words, the implementation should treat indices and partition row
   * count as a hint to pre-size the collections.
   */
  public interface WinAggResetContext
      extends AggResetContext, WinAggFrameContext {
  }
  