Yes, that's correct. Cheers, Clinton
On Fri, Mar 5, 2010 at 1:13 PM, Michael Schall <mike.sch...@gmail.com> wrote: > In looking at this further... Resultset.getInt returns an int... > http://java.sun.com/j2se/1.5.0/docs/api/java/sql/ResultSet.html#getInt(int) > > However the autoboxing feature of Java 1.5 converts it to an Integer. > > public void testAutoboxing() { > int i = 1; > Object o = i; > assertTrue(o.getClass().equals(Integer.class)); > } > > So the 2.3.4 IntegerTypeHandler should be able to be... > > public Object getResult(ResultSet rs, String columnName) > throws SQLException { > int i = rs.getInt(columnName); > if (rs.wasNull()) { > return null; > } else { > return i; > } > } > > Correct? > Mike > > > On Thu, Mar 4, 2010 at 3:39 PM, Nathan Maves <nathan.ma...@gmail.com> wrote: >> Here is how IB3 does it >> BaseTypeHandler >> public Object getResult(ResultSet rs, String columnName) >> throws SQLException { >> Object result = getNullableResult(rs, columnName); >> if (rs.wasNull()) { >> return null; >> } else { >> return result; >> } >> } >> IntegerTypeHandler >> public Object getNullableResult(ResultSet rs, String columnName) >> throws SQLException { >> return rs.getInt(columnName); >> } >> So the actual Integer creation is done by the driver. >> On Thu, Mar 4, 2010 at 11:53 AM, Michael Schall <mike.sch...@gmail.com> >> wrote: >>> >>> I have been doing some performance tuning and looking a heap dumps. >>> The number of Integer objects in memory is staggering. Looking at the >>> 1.5 java docs, using Integer.valueOf should help. >>> >>> http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Integer.html#valueOf(int) >>> >>> This could be extended to most of the number type TypeHandlers in the >>> 2.3.4 code base as it requires Java 1.5. How is this handled in 3.0? >>> >>> IntegerTypeHandler (version 2.3.4 ) >>> public Object getResult(ResultSet rs, String columnName) >>> throws SQLException { >>> int i = rs.getInt(columnName); >>> if (rs.wasNull()) { >>> return null; >>> } else { >>> return new Integer(i); >>> } >>> } >>> >>> Mike >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-java-unsubscr...@ibatis.apache.org >>> For additional commands, e-mail: user-java-h...@ibatis.apache.org >>> >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-java-unsubscr...@ibatis.apache.org > For additional commands, e-mail: user-java-h...@ibatis.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-java-unsubscr...@ibatis.apache.org For additional commands, e-mail: user-java-h...@ibatis.apache.org
