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/*
* SonarQube
* Copyright (C) 2009-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.issue;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import org.sonar.api.issue.Issue;
import org.sonar.api.issue.IssueComment;
import org.sonar.api.rules.Rule;
import org.sonar.api.rules.RuleFinder;
import org.sonar.api.utils.System2;
import org.sonar.core.issue.DefaultIssue;
import org.sonar.core.issue.DefaultIssueComment;
import org.sonar.core.issue.FieldDiffs;
import org.sonar.db.BatchSession;
import org.sonar.db.DbClient;
import org.sonar.db.DbSession;
import org.sonar.db.issue.IssueChangeDto;
import org.sonar.db.issue.IssueChangeMapper;
import org.sonar.db.issue.IssueDto;
import static com.google.common.base.MoreObjects.firstNonNull;
import static com.google.common.collect.Lists.newArrayList;
import static java.util.Collections.emptyList;
import static org.sonar.core.util.stream.MoreCollectors.toSet;
/**
* Save issues into database. It is executed :
*
*
once at the end of scan, even on multi-module projects
*
on each server-side action initiated by UI or web service
*
*
* @since 3.6
*/
public abstract class IssueStorage {
private final System2 system2;
private final RuleFinder ruleFinder;
private final DbClient dbClient;
protected IssueStorage(System2 system2, DbClient dbClient, RuleFinder ruleFinder) {
this.system2 = system2;
this.dbClient = dbClient;
this.ruleFinder = ruleFinder;
}
protected DbClient getDbClient() {
return dbClient;
}
public void save(DefaultIssue issue) {
save(newArrayList(issue));
}
public IssueDto save(DbSession session, DefaultIssue issue) {
return doSave(session, newArrayList(issue)).iterator().next();
}
public Collection save(Iterable issues) {
try (DbSession session = dbClient.openSession(true)) {
return doSave(session, issues);
}
}
private Collection doSave(DbSession dbSession, Iterable issues) {
// Batch session can not be used for updates. It does not return the number of updated rows,
// required for detecting conflicts.
long now = system2.now();
Map> issuesNewOrUpdated = StreamSupport.stream(issues.spliterator(), true).collect(Collectors.groupingBy(DefaultIssue::isNew));
List issuesToInsert = firstNonNull(issuesNewOrUpdated.get(true), emptyList());
List issuesToUpdate = firstNonNull(issuesNewOrUpdated.get(false), emptyList());
Collection inserted = insert(dbSession, issuesToInsert, now);
Collection updated = update(issuesToUpdate, now);
doAfterSave(dbSession, Stream.concat(inserted.stream(), updated.stream())
.collect(toSet(issuesToInsert.size() + issuesToUpdate.size())));
return Stream.concat(inserted.stream(), updated.stream())
.collect(toSet(issuesToInsert.size() + issuesToUpdate.size()));
}
protected void doAfterSave(DbSession dbSession, Collection issues) {
// overridden on server-side to index ES
}
/**
* @return the keys of the inserted issues
*/
private Collection insert(DbSession session, Iterable issuesToInsert, long now) {
List inserted = newArrayList();
int count = 0;
IssueChangeMapper issueChangeMapper = session.getMapper(IssueChangeMapper.class);
for (DefaultIssue issue : issuesToInsert) {
IssueDto issueDto = doInsert(session, now, issue);
inserted.add(issueDto);
insertChanges(issueChangeMapper, issue);
if (count > BatchSession.MAX_BATCH_SIZE) {
session.commit();
count = 0;
}
count++;
}
session.commit();
return inserted;
}
protected abstract IssueDto doInsert(DbSession batchSession, long now, DefaultIssue issue);
/**
* @return the keys of the updated issues
*/
private Collection update(List issuesToUpdate, long now) {
Collection updated = new ArrayList<>();
if (!issuesToUpdate.isEmpty()) {
try (DbSession dbSession = dbClient.openSession(false)) {
IssueChangeMapper issueChangeMapper = dbSession.getMapper(IssueChangeMapper.class);
for (DefaultIssue issue : issuesToUpdate) {
IssueDto issueDto = doUpdate(dbSession, now, issue);
updated.add(issueDto);
insertChanges(issueChangeMapper, issue);
}
dbSession.commit();
}
}
return updated;
}
protected abstract IssueDto doUpdate(DbSession batchSession, long now, DefaultIssue issue);
public static void insertChanges(IssueChangeMapper mapper, DefaultIssue issue) {
for (IssueComment comment : issue.comments()) {
DefaultIssueComment c = (DefaultIssueComment) comment;
if (c.isNew()) {
IssueChangeDto changeDto = IssueChangeDto.of(c);
mapper.insert(changeDto);
}
}
FieldDiffs diffs = issue.currentChange();
if (issue.isCopied()) {
for (FieldDiffs d : issue.changes()) {
IssueChangeDto changeDto = IssueChangeDto.of(issue.key(), d);
mapper.insert(changeDto);
}
} else if (!issue.isNew() && diffs != null) {
IssueChangeDto changeDto = IssueChangeDto.of(issue.key(), diffs);
mapper.insert(changeDto);
}
}
protected Rule rule(Issue issue) {
Rule rule = ruleFinder.findByKey(issue.ruleKey());
if (rule == null) {
throw new IllegalStateException("Rule not found: " + issue.ruleKey());
}
return rule;
}
}
