objectos.way.SqlDatabase Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of objectos.way Show documentation

Objectos Way allows you to build web applications using only Java.

There is a newer version: 0.1.11

/*
 * Copyright (C) 2023-2024 Objectos Software LTDA.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package objectos.way;

import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;

final class SqlDatabase implements Sql.Database {

  private final DataSource dataSource;

  private final SqlDialect dialect;

  @SuppressWarnings("unused")
  private final Note.Sink noteSink;

  SqlDatabase(DataSource dataSource, SqlDialect dialect, Note.Sink noteSink) {
    this.dataSource = dataSource;
    this.dialect = dialect;
    this.noteSink = noteSink;
  }

  @Override
  public final Sql.Transaction beginTransaction(Sql.Transaction.Isolation level) throws Sql.DatabaseException {
    Sql.TransactionIsolation impl;
    impl = (Sql.TransactionIsolation) level;

    int transactionIsolation;
    transactionIsolation = impl.jdbcValue;

    Connection connection;

    try {
      connection = dataSource.getConnection();
    } catch (SQLException e) {
      throw new Sql.DatabaseException(e);
    }

    try {
      connection.setTransactionIsolation(transactionIsolation);

      connection.setAutoCommit(false);

      return new SqlTransaction(dialect, connection);
    } catch (SQLException e) {
      try {
        connection.close();
      } catch (SQLException suppressed) {
        e.addSuppressed(suppressed);
      }

      throw new Sql.DatabaseException(e);
    }
  }

}