274 lines
5.5 KiB
Java
274 lines
5.5 KiB
Java
/**
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* Copyright (C) 2017-2018 Christian Pierre MOMON <cmomon@april.org>
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*
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* This file is part of (April) Hebdobot.
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*
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* Hebdobot is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Hebdobot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Hebdobot. If not, see <http://www.gnu.org/licenses/>
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*/
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package org.april.hebdobot.model.stats;
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import java.time.LocalDateTime;
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import java.util.Comparator;
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/**
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* The Class Stat.
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*/
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public class ReviewDataComparator implements Comparator<ReviewData>
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{
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public enum Sorting
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{
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DATE,
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USERCOUNT,
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DURATION
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}
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private Sorting sorting;
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/**
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* Instantiates a new review data comparator.
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*
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* @param sorting
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* the sorting
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*/
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public ReviewDataComparator(final Sorting sorting)
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{
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this.sorting = sorting;
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}
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/* (non-Javadoc)
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* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
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*/
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@Override
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public int compare(final ReviewData alpha, final ReviewData bravo)
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{
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int result;
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result = compare(alpha, bravo, this.sorting);
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//
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return result;
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}
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/**
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* Compare.
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*
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* @param alpha
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* the alpha
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* @param bravo
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* the bravo
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* @return the int
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*/
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public static int compare(final Integer alpha, final Integer bravo)
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{
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int result;
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//
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if ((alpha == null) && (bravo == null))
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{
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result = 0;
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}
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else if (alpha == null)
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{
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result = -1;
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}
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else if (bravo == null)
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{
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result = +1;
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}
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else
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{
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result = alpha.compareTo(bravo);
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}
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//
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return result;
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}
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public static int compare(final LocalDateTime alpha, final LocalDateTime bravo)
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{
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int result;
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//
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if ((alpha == null) && (bravo == null))
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{
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result = 0;
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}
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else if (alpha == null)
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{
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result = -1;
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}
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else if (bravo == null)
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{
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result = +1;
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}
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else
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{
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result = alpha.compareTo(bravo);
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}
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//
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return result;
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}
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/**
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* Compare.
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*
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* @param alpha
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* the alpha
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* @param bravo
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* the bravo
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* @return the int
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*/
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public static int compare(final Long alpha, final Long bravo)
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{
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int result;
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//
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if ((alpha == null) && (bravo == null))
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{
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result = 0;
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}
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else if (alpha == null)
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{
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result = -1;
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}
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else if (bravo == null)
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{
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result = +1;
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}
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else
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{
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result = alpha.compareTo(bravo);
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}
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//
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return result;
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}
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/**
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* Compare.
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*
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* @param alpha
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* the alpha
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* @param bravo
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* the bravo
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* @param sorting
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* the sorting
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* @return the int
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*/
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public static int compare(final ReviewData alpha, final ReviewData bravo, final Sorting sorting)
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{
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int result;
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if (sorting == null)
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{
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result = 0;
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}
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else
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{
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switch (sorting)
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{
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case DATE:
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result = compare(getDate(alpha), getDate(bravo));
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break;
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case USERCOUNT:
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result = compare(getUserCount(alpha), getUserCount(bravo));
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break;
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case DURATION:
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result = compare(getDuration(alpha), getDuration(bravo));
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break;
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default:
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result = 0;
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}
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}
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//
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return result;
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}
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/**
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* Gets the date.
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*
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* @param source
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* the source
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* @return the date
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*/
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public static LocalDateTime getDate(final ReviewData source)
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{
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LocalDateTime result;
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if (source == null)
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{
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result = null;
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}
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else
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{
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result = source.getDate();
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}
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//
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return result;
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}
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/**
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* Gets the duration.
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*
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* @param source
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* the source
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* @return the duration
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*/
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public static Integer getDuration(final ReviewData source)
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{
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Integer result;
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if (source == null)
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{
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result = null;
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}
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else
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{
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result = source.getDuration();
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}
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//
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return result;
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}
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/**
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* Gets the user count.
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*
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* @param source
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* the source
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* @return the user count
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*/
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public static Integer getUserCount(final ReviewData source)
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{
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Integer result;
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if (source == null)
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{
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result = null;
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}
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else
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{
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result = source.getUserCount();
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}
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//
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return result;
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}
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}
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