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Schema descriptors and interfaces in Neo4j.

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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.internal.schema;

import org.neo4j.values.storable.ValueCategory;

/**
 * Provides a minimal interface for property index queries.
 */
public interface IndexQuery {

    IndexQueryType type();

    ValueCategory valueCategory();

    enum IndexQueryType {
        TOKEN_LOOKUP,
        ALL_ENTRIES,
        EXISTS,
        EXACT,
        RANGE,
        BOUNDING_BOX,
        STRING_PREFIX,
        STRING_SUFFIX,
        STRING_CONTAINS,
        FULLTEXT_SEARCH,
        NEAREST_NEIGHBORS
    }
}