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.impl;
  
  import org.apache.calcite.adapter.enumerable.RexToLixTranslator;
  import org.apache.calcite.adapter.enumerable.WinAggAddContext;
  import org.apache.calcite.adapter.enumerable.WinAggFrameResultContext;
  import org.apache.calcite.adapter.enumerable.WinAggImplementor;
  import org.apache.calcite.linq4j.tree.BlockBuilder;
  import org.apache.calcite.linq4j.tree.Expression;
  import org.apache.calcite.linq4j.tree.Expressions;
  
  import java.util.List;
  import java.util.function.Function;
  
  /**
   * Implementation of
   * {@link org.apache.calcite.adapter.enumerable.WinAggAddContext}.
   */
  public abstract class WinAggAddContextImpl extends WinAggResultContextImpl
      implements WinAggAddContext {
    protected WinAggAddContextImpl(BlockBuilder block, List<Expression> accumulator,
        Function<BlockBuilder, WinAggFrameResultContext> frame) {
      super(block, accumulator, frame);
    }
  
    @SuppressWarnings("Guava")
    @Deprecated // to be removed before 2.0
    protected WinAggAddContextImpl(BlockBuilder block, List<Expression> accumulator,
        com.google.common.base.Function<BlockBuilder, WinAggFrameResultContext> frame) {
      this(block, accumulator,
          (Function<BlockBuilder, WinAggFrameResultContext>) frame);
    }
  
    @Override public final RexToLixTranslator rowTranslator() {
      return rowTranslator(
          computeIndex(Expressions.constant(0),
              WinAggImplementor.SeekType.AGG_INDEX));
    }
  
    @Override public final List<Expression> arguments() {
      return rowTranslator().translateList(rexArguments());
    }
  }
  