org.sonar.core.issue.db.IssueChangeDao.java Source code

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Here is the source code for org.sonar.core.issue.db.IssueChangeDao.java

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/*
 * SonarQube, open source software quality management tool.
 * Copyright (C) 2008-2013 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * SonarQube 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.
 *
 * SonarQube 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.core.issue.db;

import com.google.common.collect.Lists;
import org.apache.ibatis.session.SqlSession;
import org.sonar.api.BatchComponent;
import org.sonar.api.ServerComponent;
import org.sonar.api.issue.internal.DefaultIssueComment;
import org.sonar.api.issue.internal.FieldDiffs;
import org.sonar.core.persistence.MyBatis;

import javax.annotation.CheckForNull;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import static com.google.common.collect.Lists.newArrayList;

/**
 * @since 3.6
 */
public class IssueChangeDao implements BatchComponent, ServerComponent {

    private final MyBatis mybatis;

    public IssueChangeDao(MyBatis mybatis) {
        this.mybatis = mybatis;
    }

    public List<DefaultIssueComment> selectCommentsByIssues(SqlSession session, Collection<String> issueKeys) {
        List<DefaultIssueComment> comments = Lists.newArrayList();
        for (IssueChangeDto dto : selectByIssuesAndType(session, issueKeys, IssueChangeDto.TYPE_COMMENT)) {
            comments.add(dto.toComment());
        }
        return comments;
    }

    public List<FieldDiffs> selectChangelogByIssue(String issueKey) {
        SqlSession session = mybatis.openSession();
        try {
            List<FieldDiffs> result = Lists.newArrayList();
            for (IssueChangeDto dto : selectByIssuesAndType(session, Arrays.asList(issueKey),
                    IssueChangeDto.TYPE_FIELD_CHANGE)) {
                result.add(dto.toFieldDiffs());
            }
            return result;
        } finally {
            MyBatis.closeQuietly(session);
        }
    }

    @CheckForNull
    public DefaultIssueComment selectCommentByKey(String commentKey) {
        SqlSession session = mybatis.openSession();
        try {
            IssueChangeMapper mapper = session.getMapper(IssueChangeMapper.class);
            IssueChangeDto dto = mapper.selectByKeyAndType(commentKey, IssueChangeDto.TYPE_COMMENT);
            return dto != null ? dto.toComment() : null;

        } finally {
            MyBatis.closeQuietly(session);
        }
    }

    List<IssueChangeDto> selectByIssuesAndType(SqlSession session, Collection<String> issueKeys,
            String changeType) {
        if (issueKeys.isEmpty()) {
            return Collections.emptyList();
        }
        IssueChangeMapper mapper = session.getMapper(IssueChangeMapper.class);
        List<IssueChangeDto> dtosList = newArrayList();
        List<List<String>> keysPartition = Lists.partition(newArrayList(issueKeys), 1000);
        for (List<String> partition : keysPartition) {
            List<IssueChangeDto> dtos = mapper.selectByIssuesAndType(partition, changeType);
            dtosList.addAll(dtos);
        }
        return dtosList;
    }

    public boolean delete(String key) {
        SqlSession session = mybatis.openSession();
        try {
            IssueChangeMapper mapper = session.getMapper(IssueChangeMapper.class);
            int count = mapper.delete(key);
            session.commit();
            return count == 1;

        } finally {
            MyBatis.closeQuietly(session);
        }
    }

    public boolean update(IssueChangeDto change) {
        SqlSession session = mybatis.openSession();
        try {
            IssueChangeMapper mapper = session.getMapper(IssueChangeMapper.class);
            int count = mapper.update(change);
            session.commit();
            return count == 1;

        } finally {
            MyBatis.closeQuietly(session);
        }
    }
}