org.codeqinvest.codechanges.FakeCodeChurnCalculator.java Source code

Introduction

Here is the source code for org.codeqinvest.codechanges.FakeCodeChurnCalculator.java

Source

/*
 * Copyright 2013 Felix Mller
 *
 * This file is part of CodeQ Invest.
 *
 * CodeQ Invest 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.
 *
 * CodeQ Invest 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 CodeQ Invest.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.codeqinvest.codechanges;

import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import org.codeqinvest.codechanges.scm.CodeChurn;
import org.codeqinvest.codechanges.scm.CodeChurnCalculationException;
import org.codeqinvest.codechanges.scm.CodeChurnCalculator;
import org.codeqinvest.codechanges.scm.DailyCodeChurn;
import org.codeqinvest.codechanges.scm.ScmConnectionEncodingException;
import org.codeqinvest.codechanges.scm.ScmConnectionSettings;
import org.joda.time.LocalDate;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

class FakeCodeChurnCalculator implements CodeChurnCalculator {

    private final Map<String, Map<LocalDate, DailyCodeChurn>> codeChurnByFileAndDay = Maps.newHashMap();
    private final Map<String, List<CodeChurn>> codeChurnByFile = Maps.newHashMap();

    void addCodeChurn(String file, DailyCodeChurn codeChurn) {
        if (!codeChurnByFileAndDay.containsKey(file)) {
            codeChurnByFileAndDay.put(file, new HashMap<LocalDate, DailyCodeChurn>());
        }
        codeChurnByFileAndDay.get(file).put(codeChurn.getDay(), codeChurn);
    }

    void addCodeChurnWithoutDay(String file, CodeChurn codeChurn) {
        if (!codeChurnByFile.containsKey(file)) {
            codeChurnByFile.put(file, new ArrayList<CodeChurn>());
        }
        codeChurnByFile.get(file).add(codeChurn);
    }

    @Override
    public Collection<DailyCodeChurn> calculateCodeChurn(ScmConnectionSettings connectionSettings, String file,
            LocalDate day, int numberOfDays) throws CodeChurnCalculationException, ScmConnectionEncodingException {
        if (!codeChurnByFileAndDay.containsKey(file) || !codeChurnByFileAndDay.get(file).containsKey(day)) {
            throw new CodeChurnCalculationException();
        }

        Set<DailyCodeChurn> codeChurns = Sets.newHashSet();
        for (int i = 0; i <= numberOfDays; i++) {
            DailyCodeChurn currentCodeChurn = codeChurnByFileAndDay.get(file).get(day.minusDays(i));
            if (currentCodeChurn != null) {
                codeChurns.add(currentCodeChurn);
            }
        }
        return codeChurns;
    }

    @Override
    public CodeChurn calculateCodeChurnForLastCommits(ScmConnectionSettings connectionSettings, String file,
            int numberOfCommits) throws CodeChurnCalculationException, ScmConnectionEncodingException {
        if (!codeChurnByFile.containsKey(file)) {
            throw new CodeChurnCalculationException();
        }

        List<CodeChurn> codeChurnOfCommits = new ArrayList<CodeChurn>();
        int i = 0;
        for (CodeChurn codeChurn : codeChurnByFile.get(file)) {
            if (i >= numberOfCommits) {
                break;
            }
            codeChurnOfCommits.add(codeChurn);
            i++;
        }

        CodeChurn codeChurns = new CodeChurn(new ArrayList<Double>());
        for (CodeChurn codeChurnOfCommit : codeChurnOfCommits) {
            codeChurns.addCodeChurnProportions(codeChurnOfCommit.getCodeChurnProportions());
        }
        return codeChurns;
    }
}