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/*
 * 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 com.hazelcast.org.apache.calcite.adapter.enumerable;

import com.hazelcast.org.apache.calcite.linq4j.tree.Expression;
import com.hazelcast.org.apache.calcite.rex.RexNode;

import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;

import java.util.List;

/**
 * Information for a call to
 * {@link com.hazelcast.org.apache.calcite.adapter.enumerable.AggImplementor#implementAdd(AggContext, AggAddContext)}.
 *
 * 

Typically, the aggregation implementation will use {@link #arguments()} * or {@link #rexArguments()} to update aggregate value. */ public interface AggAddContext extends AggResultContext { /** * Returns {@link com.hazelcast.org.apache.calcite.rex.RexNode} representation of arguments. * This can be useful for manual translation of required arguments with * different {@link NullPolicy}. * @return {@link com.hazelcast.org.apache.calcite.rex.RexNode} representation of arguments */ List rexArguments(); /** * Returns {@link com.hazelcast.org.apache.calcite.rex.RexNode} representation of the * filter, or null. */ @Nullable RexNode rexFilterArgument(); /** * Returns Linq4j form of arguments. * The resulting value is equivalent to * {@code rowTranslator().translateList(rexArguments())}. * This is handy if you need just operate on argument. * @return Linq4j form of arguments. */ List arguments(); /** * Returns a * {@link com.hazelcast.org.apache.calcite.adapter.enumerable.RexToLixTranslator} * suitable to transform the arguments. * * @return {@link RexToLixTranslator} suitable to transform the arguments */ RexToLixTranslator rowTranslator(); }





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