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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.dbms.systemgraph;

import org.neo4j.annotations.api.PublicApi;

@PublicApi
public enum InstanceModeConstraint {
    PRIMARY(true, false),
    SECONDARY(false, true),
    NONE(true, true);

    private final boolean canBePrimary;
    private final boolean canBeSecondary;

    InstanceModeConstraint(boolean canBePrimary, boolean canBeSecondary) {
        this.canBePrimary = canBePrimary;
        this.canBeSecondary = canBeSecondary;
    }

    public boolean canBePrimary() {
        return canBePrimary;
    }

    public boolean canBeSecondary() {
        return canBeSecondary;
    }
}