com.hazelcast.org.apache.calcite.adapter.enumerable.MatchImplementor Maven / Gradle / Ivy
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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,
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package com.hazelcast.org.apache.calcite.adapter.enumerable;
import com.hazelcast.org.apache.calcite.linq4j.tree.Expression;
import com.hazelcast.org.apache.calcite.linq4j.tree.ParameterExpression;
import com.hazelcast.org.apache.calcite.rex.RexCall;
/** Implementor of Functions used in MATCH_RECOGNIZE Context. */
public interface MatchImplementor {
/**
* Implements a call.
*
* @param translator Translator for the call
* @param call Call that should be implemented
* @param row Current Row
* @param rows All Rows that are traversed so far
* @param symbols All Symbols of the rows that were traversed so far
* @return Translated call
*/
Expression implement(
RexToLixTranslator translator,
RexCall call,
ParameterExpression row,
ParameterExpression rows,
ParameterExpression symbols,
ParameterExpression currentIndex);
}