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Object Oriented Wrapper of Amazon DynamoDB SDK

There is a newer version: 0.22.4

/**
 * Copyright (c) 2012-2017, jcabi.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met: 1) Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer. 2) Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided
 * with the distribution. 3) Neither the name of the jcabi.com nor
 * the names of its contributors may be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jcabi.dynamo;

import com.amazonaws.services.dynamodbv2.model.ConsumedCapacity;

/**
 * Printable consumed capacity.
 *
 * @author Piotr Pradzynski ([email protected])
 * @version $Id: 9df495514883bc19c028b6ac5c27e2b79d660253 $
 * @since 0.22
 */
final class PrintableConsumedCapacity {

    /**
     * Consumed capacity.
     */
    private final ConsumedCapacity capacity;

    /**
     * Default ctor.
     * @param capacity Consumed capacity
     */
    PrintableConsumedCapacity(final ConsumedCapacity capacity) {
        this.capacity = capacity;
    }

    /**
     * Print consumed capacity nicely.
     * @return Suffix to add to a log line
     */
    public String print() {
        final String txt;
        if (this.capacity == null) {
            txt = "";
        } else {
            txt = String.format("%.2f units", this.capacity.getCapacityUnits());
        }
        return txt;
    }
}