org.sonar.db.ce.CeTaskDataDao.java Source code

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Here is the source code for org.sonar.db.ce.CeTaskDataDao.java

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/*
 * SonarQube
 * Copyright (C) 2009-2016 SonarSource SA
 * mailto:contact 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.db.ce;

import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import java.util.Optional;
import org.apache.commons.io.IOUtils;
import org.sonar.api.utils.System2;
import org.sonar.db.Dao;
import org.sonar.db.DatabaseUtils;
import org.sonar.db.DbSession;

public class CeTaskDataDao implements Dao {

    private final System2 system;

    public CeTaskDataDao(System2 system) {
        this.system = system;
    }

    public void insert(DbSession dbSession, String taskUuid, InputStream data) {
        long now = system.now();
        try (PreparedStatement stmt = dbSession.getConnection().prepareStatement(
                "INSERT INTO ce_task_data (task_uuid, created_at, updated_at, data) VALUES (?, ?, ?, ?)")) {
            stmt.setString(1, taskUuid);
            stmt.setLong(2, now);
            stmt.setLong(3, now);
            stmt.setBinaryStream(4, data);
            stmt.executeUpdate();
        } catch (SQLException e) {
            throw new IllegalStateException("Fail to insert data of CE task " + taskUuid, e);
        }
    }

    public Optional<DataStream> selectData(DbSession dbSession, String taskUuid) {
        PreparedStatement stmt = null;
        ResultSet rs = null;
        DataStream result = null;
        try {
            stmt = dbSession.getConnection()
                    .prepareStatement("SELECT data FROM ce_task_data WHERE task_uuid=? AND data IS NOT NULL");
            stmt.setString(1, taskUuid);
            rs = stmt.executeQuery();
            if (rs.next()) {
                result = new DataStream(stmt, rs, rs.getBinaryStream(1));
                return Optional.of(result);
            }
            return Optional.empty();
        } catch (SQLException e) {
            throw new IllegalStateException("Fail to select data of CE task " + taskUuid, e);
        } finally {
            if (result == null) {
                DatabaseUtils.closeQuietly(rs);
                DatabaseUtils.closeQuietly(stmt);
            }
        }
    }

    public List<String> selectUuidsNotInQueue(DbSession dbSession) {
        return dbSession.getMapper(CeTaskDataMapper.class).selectUuidsNotInQueue();
    }

    public void deleteByUuids(DbSession dbSession, List<String> uuids) {
        CeTaskDataMapper mapper = dbSession.getMapper(CeTaskDataMapper.class);
        DatabaseUtils.executeLargeUpdates(uuids, mapper::deleteByUuids);
    }

    public static class DataStream implements AutoCloseable {
        private final PreparedStatement stmt;
        private final ResultSet rs;
        private final InputStream stream;

        private DataStream(PreparedStatement stmt, ResultSet rs, InputStream stream) {
            this.stmt = stmt;
            this.rs = rs;
            this.stream = stream;
        }

        public InputStream getInputStream() {
            return stream;
        }

        @Override
        public void close() {
            IOUtils.closeQuietly(stream);
            DatabaseUtils.closeQuietly(rs);
            DatabaseUtils.closeQuietly(stmt);
        }
    }
}