cosmos.options.Order.java Source code

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Here is the source code for cosmos.options.Order.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to you 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.
 *
 *  Copyright 2013 Josh Elser
 *
 */
package cosmos.options;

import com.google.common.base.Preconditions;

public enum Order {
    ASCENDING, DESCENDING;

    public static final String FORWARD = "f";
    public static final String REVERSE = "r";

    public static String direction(Order o) {
        Preconditions.checkNotNull(o);

        return Order.ASCENDING.equals(o) ? FORWARD : REVERSE;
    }
}