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Neo4j kernel is a lightweight, embedded Java database designed to store data structured as graphs rather than tables. For more information, see http://neo4j.org.

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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.kernel.api.exceptions.schema;

import org.neo4j.common.TokenNameLookup;
import org.neo4j.internal.kernel.api.exceptions.schema.SchemaKernelException;
import org.neo4j.internal.schema.SchemaRule;
import org.neo4j.kernel.api.exceptions.Status;

public class EquivalentSchemaRuleAlreadyExistsException extends SchemaKernelException {
    private static final String EQUIVALENT_INDEX = "An equivalent index already exists, '%s'.";
    private static final String EQUIVALENT_CONSTRAINT = "An equivalent constraint already exists, '%s'.";

    public EquivalentSchemaRuleAlreadyExistsException(
            SchemaRule schemaRule, OperationContext context, TokenNameLookup tokenNameLookup) {
        super(
                Status.Schema.EquivalentSchemaRuleAlreadyExists,
                constructUserMessage(context, tokenNameLookup, schemaRule));
    }

    private static String constructUserMessage(
            OperationContext context, TokenNameLookup tokenNameLookup, SchemaRule schemaRule) {
        return switch (context) {
            case INDEX_CREATION -> String.format(EQUIVALENT_INDEX, schemaRule.userDescription(tokenNameLookup));
            case CONSTRAINT_CREATION -> String.format(
                    EQUIVALENT_CONSTRAINT, schemaRule.userDescription(tokenNameLookup));
        };
    }
}