Examples of org.springframework.jdbc.datasource.SingleConnectionDataSource

Package org.springframework.jdbc.datasource

Examples of org.springframework.jdbc.datasource.SingleConnectionDataSource

org.springframework.jdbc.datasource.SingleConnectionDataSource
Implementation of {@link SmartDataSource} that wraps a single JDBC Connectionwhich is not closed after use. Obviously, this is not multi-threading capable.
Note that at shutdown, someone should close the underlying Connection via the close() method. Client code will never call close on the Connection handle if it is SmartDataSource-aware (e.g. uses DataSourceUtils.releaseConnection).
If client code will call close() in the assumption of a pooled Connection, like when using persistence tools, set "suppressClose" to "true". This will return a close-suppressing proxy instead of the physical Connection. Be aware that you will not be able to cast this to a native OracleConnection or the like anymore; you need to use a {@link org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractor} then.
This is primarily intended for testing. For example, it enables easy testing outside an application server, for code that expects to work on a DataSource. In contrast to {@link DriverManagerDataSource}, it reuses the same Connection all the time, avoiding excessive creation of physical Connections. @author Rod Johnson @author Juergen Hoeller @see #getConnection() @see java.sql.Connection#close() @see DataSourceUtils#releaseConnection @see org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractor


    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() {
                ds = new SingleConnectionDataSource(url, user, password, true);


                getContext().getComponent("sql", SqlComponent.class).setDataSource(ds);


                errorHandler(noErrorHandler());

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    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() {
                ds = new SingleConnectionDataSource(url, user, password, true);


                getContext().getComponent("sql", SqlComponent.class).setDataSource(ds);


                errorHandler(noErrorHandler());

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   * The close method will not be called explicitly.
   * @param conn Connection to be used for DB calls
   * @return JdbcTemplate wrapper
   */
  public static JdbcTemplate asJdbcTemplate(Connection conn) {
    return new JdbcTemplate(new SingleConnectionDataSource(conn, true));
  }

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    @Override
    public void doWork(final DsWork work) {
      this.doWork(new DbWork() {
        @Override
        public void execute(Connection conn) {
          work.execute(new SingleConnectionDataSource(conn, false));
        }
      });
    }

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    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() {
                ds = new SingleConnectionDataSource(url, user, password, true);
                getContext().getComponent("sql", SqlComponent.class).setDataSource(ds);


                from("direct:simple").to("sql:select * from projects where id = # order by id").to("mock:result");
            }
        };

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    given(preparedStatement.executeQuery()).willReturn(resultSet);
    given(resultSet.next()).willReturn(true, true, false);
    given(resultSet.getString(1)).willReturn("tb1", "tb2");
    given(resultSet.getInt(2)).willReturn(1, 2);
    template = new JdbcTemplate();
    template.setDataSource(new SingleConnectionDataSource(connection, false));
    template.setExceptionTranslator(new SQLStateSQLExceptionTranslator());
    template.afterPropertiesSet();
  }

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      given(resultSetMetaData.getColumnLabel(2)).willReturn("age");
      given(resultSetMetaData.getColumnLabel(3)).willReturn("birth_date");
      given(resultSetMetaData.getColumnLabel(4)).willReturn("balance");


      jdbcTemplate = new JdbcTemplate();
      jdbcTemplate.setDataSource(new SingleConnectionDataSource(connection, false));
      jdbcTemplate.setExceptionTranslator(new SQLStateSQLExceptionTranslator());
      jdbcTemplate.afterPropertiesSet();
    }

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    given(this.connection.isClosed()).willReturn(false);
    given(this.connection.createStatement()).willReturn(this.preparedStatement);
    // if close is called entire test will fail
    willThrow(new RuntimeException()).given(this.connection).close();


    SingleConnectionDataSource scf = new SingleConnectionDataSource(this.dataSource.getConnection(), false);
    this.template = new JdbcTemplate(scf, false);
    RowCountCallbackHandler rcch = new RowCountCallbackHandler();
    this.template.query(sql, rcch);


    verify(this.resultSet).close();

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        JdbcTemplate jdbcTemplate = new JdbcTemplate(createDataSource());
        jdbcTemplate.execute("drop table projects");
    }


    private DataSource createDataSource() {
        return new SingleConnectionDataSource(url, user, password, true);
    }

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    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() {
                ds = new SingleConnectionDataSource(url, user, password, true);


                getContext().getComponent("sql", SqlComponent.class).setDataSource(ds);


                errorHandler(noErrorHandler());

View Full Code Here

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