org.neo4j.cypher.result.QueryProfile Maven / Gradle / Ivy

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/*
 * Copyright (c) 2018-2020 "Graph Foundation"
 * Graph Foundation, Inc. [https://graphfoundation.org]
 *
 * Copyright (c) 2002-2020 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of ONgDB.
 *
 * ONgDB is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.cypher.result;

/**
 * Profile of a query execution.
 */
public interface QueryProfile
{
    /**
     * Get profile for specific operator.
     *
     * Note: the operator should really be type as an [[org.neo4j.cypher.internal.v3_6.util.attribution.Id]],
     * but this is not possible because of a bug with scala `AnyVal`s and inheritance.
     *
     * See https://github.com/lampepfl/dotty/issues/1169 for a discussion of the same issue in Dotty.
     *
     * @param operatorId operator id
     */
    OperatorProfile operatorProfile( int operatorId );

    QueryProfile NONE = operatorId -> OperatorProfile.NONE;
}