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Concourse is a self-tuning database that is designed for both ad hoc analytics and high volume transactions at scale. Developers use Concourse to quickly build mission critical software while also benefiting from real time insight into their most important data. With Concourse, end-to-end data management requires no extra infrastructure, no prior configuration and no additional coding–all of which greatly reduce costs and allow developers to focus on core business problems.

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/*
 * Copyright (c) 2013-2019 Cinchapi Inc.
 *
 * Licensed 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.cinchapi.concourse.lang.sort;

/**
 * Sort directions.
 *
 * @author Jeff Nelson
 */
public enum Direction {

    ASCENDING(1), DESCENDING(-1);

    /**
     * Return the default {@link Direction}.
     * 
     * @return the default
     */
    static Direction $default() {
        return Direction.ASCENDING;
    }

    /**
     * The coefficient is multiplied by the result of a {@link Comparator} to
     * sort elements in forward or reverse order.
     */
    private final int coefficient;

    /**
     * Construct a new instance.
     * 
     * @param coefficient
     */
    Direction(int coefficient) {
        this.coefficient = coefficient;
    }

    /**
     * Return the coefficient associated with this {@link Direction}.
     * 
     * @return the coefficient
     */
    public int coefficient() {
        return coefficient;
    }

}