Java Code Examples for org.hibernate.engine.jdbc.dialect.spi.DialectResolver#resolveDialect()

The following examples show how to use org.hibernate.engine.jdbc.dialect.spi.DialectResolver#resolveDialect() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultSequenceHandlerRepository.java    From pnc with Apache License 2.0 5 votes vote down vote up 
@Override
public Long getNextID(final String sequenceName) {

    ReturningWork<Long> maxReturningWork = new ReturningWork<Long>() {
        @Override
        public Long execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(getResolutionInfo(connection));
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection.prepareStatement(dialect.getSequenceNextValString(sequenceName));
                resultSet = preparedStatement.executeQuery();
                resultSet.next();
                return resultSet.getLong(1);
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();

    Long maxRecord = sessionFactory.getCurrentSession().doReturningWork(maxReturningWork);
    return maxRecord;
}
Example 2
Source File: DefaultSequenceHandlerRepository.java    From pnc with Apache License 2.0 5 votes vote down vote up 
@Override
public void createSequence(final String sequenceName) {

    if (sequenceExists(sequenceName)) {
        return;
    }
    Work work = new Work() {
        @Override
        public void execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(getResolutionInfo(connection));
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection
                        .prepareStatement(dialect.getCreateSequenceStrings(sequenceName, 1, 1)[0]);
                preparedStatement.execute();
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    sessionFactory.getCurrentSession().doWork(work);
}
Example 3
Source File: DefaultSequenceHandlerRepository.java    From pnc with Apache License 2.0 5 votes vote down vote up 
@Override
public boolean sequenceExists(final String sequenceName) {
    ReturningWork<Boolean> work = new ReturningWork<Boolean>() {
        @Override
        public Boolean execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(getResolutionInfo(connection));
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection.prepareStatement(dialect.getQuerySequencesString());
                resultSet = preparedStatement.executeQuery();
                while (resultSet.next()) {
                    if (sequenceName.equals(resultSet.getString(1))) {
                        return true;
                    }
                }
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }
            return false;

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    return sessionFactory.getCurrentSession().doReturningWork(work);
}
Example 4
Source File: DefaultSequenceHandlerRepository.java    From pnc with Apache License 2.0 5 votes vote down vote up 
@Override
public void dropSequence(final String sequenceName) {

    Work work = new Work() {
        @Override
        public void execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(getResolutionInfo(connection));
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection.prepareStatement(dialect.getDropSequenceStrings(sequenceName)[0]);
                preparedStatement.execute();
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    sessionFactory.getCurrentSession().doWork(work);
}