After the cijug presentation on Grails, I’ve decided I will not use it. I know Grails is hot and cool but I don’t like it. It’s probably just a personal preference. Why don’t I want to use Grails It’s built on spring and hibernate, so why not just use them directly? It’s just adding another… Continue reading Grails: I will not use you
It’s always annoying when you do a search (ctrl+h) in Eclipse and it produces results from directories you do not care about. In my particular case, the project’s ant build expands the built war files into a directory named target. Since this directory duplicates the files in the regular WebContent directory, often times I end… Continue reading Eclipse: stop it from searching certain directories
Despite of the usual convention of using ctrl+/, I found ctrl+shift+c is actually the way to go if you want it to work on everything. I care mostly about being able to toggle comment in the following file types: source code – comment with // or /* and */ block markup e.g. xml/html – comment… Continue reading Eclipse 3.6 toggle comment findings
A coworker and I were chatting regarding spring rowMappers and I did a little more research and found the following: Spring’s simpleJdbcTemplate deprecated methods with parameterizedRowMapper in spring 3. The class ParameterizedRowMapper is not deprecated. Spring’s jdbcTemplate however only has methods that take RowMapper<T> so it will continue to work with parameterizedRowMapper. But it seems… Continue reading Spring row mapper
If you have a strange requirement in the rowMapper to check if a column exists or not, you could try to catch a SQLException of invalid column name or you could try:
A business rule at work requires some flexible configurations. I attempted to fulfill the need by create different spring batch steps/tasklets to execute each requirement based on a property value. For example, step 1 will need to execute methodOne on the class Repository with the appropriate parameters. The method signature & parameters are determined by… Continue reading Dynamically invoke methods using spring config
So for a long time, I wondered how you’d do the sql IN() using spring jdbcTemplate. Today I had an opportunity to work it out. Normally I used It’s not too friendly if you do If you wish to use the “where in” sql, there is a pretty elegant way to do it in spring… Continue reading How to execute IN() SQL in spring jdbcTemplate
Watched the spring framework 3.1 webinar today and it was pretty interesting. Anyway, at work we are trying to possibly load property values from a database to resolve some tension between the developers and system specialists. I played a little bit at home as how we would set this up. This is not a new… Continue reading Spring loading properties from database with a twist
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