ItemProcessor « Batch « Spring Q&A





2. itemprocessor recalled only for first item in chunk when retryable exception    forum.springsource.org

hi, title is very indicative... i get recalled my itemprocessor process method when a retryable exception is thrown. But it is recalled only for the first element of the current chunk ...

3. Returned Object from ItemProcessor    forum.springsource.org

In my spring batch job I return null in the processor when I want to skip an item, as reported in ItemProcessor javadoc. It works ok when I use an ItemProcessorAdapter: ...

4. ItemProcessor called multiple times    forum.springsource.org

ItemProcessor called multiple times Here is what I'm trying to do for handling invalid/erroneous records: I would like to skip an item during processing, and log it to database for further ...

5. ItemProcessor    forum.springsource.org

In a process, where 1. dbreader and dbwriter involved, if i introduce itemprocessor, will be degrade the performance. in itemprocessor, am going to add some extra/default value, no big operations.

6. Multi-threaded ItemProcessor    forum.springsource.org

Multi-threaded ItemProcessor Multi-threaded steps will execute the whole step (ItemReader, ItemProcessor and ItemWriter) in parallel. This is often problematic because ItemReaders and ItemWriters are not thread-safe, and even when you make ...

8. Send message from Itemprocessor to jms using Spring integration    forum.springsource.org

The following applies to any java application, not just an ItemProcessor. Simply define an messaging gateway interface (see the section 'Messaging Gateways' in the reference manual). Define your flow... gateway->channel->jms-outbound-channel-adapter inject ...

9. ItemProcessor    forum.springsource.org

Hi Ive been using m3 for quite a while now and have a few jobs that use the ItemReader - ItemProcessor - ItemWriter style for reading, processing and writing data. After ...





10. Where did ItemProcessor go?!    forum.springsource.org

Hi! http://static.springframework.org/sp...x.html#d0e2379 When using a DrivingQuery, there should be ItemReader: the driving query ItemProcessor: fetching the full entity from db ItemWriter: write somewhere else. i cannot see any options for setting ...

11. Use of ItemProcessor and how to use it    forum.springsource.org

I had a quick look at the samples available in the Spring website , there are no examples on how to use the ItemProcessor I also looked for the same in ...

12. itemProcessor in Composite Item Writer model    forum.springsource.org

itemProcessor in Composite Item Writer model Hello, I spring batch 1.1.x version, we could define a CompositeItemWriter with several item writers executed in sequence. These item writers can be an implementation ...

13. FormatterLineAggregator, BeanWrapperFieldExtractor, ItemProcessor    forum.springsource.org

FormatterLineAggregator, BeanWrapperFieldExtractor, ItemProcessor I have a basic question on how to use the 3 clases, FieldExtractor, Aggregator, Processor. I have a fixed width file I need to generate that has multiple ...

14. Simulating a simple PDA with ItemProcessor    forum.springsource.org

Simulating a simple PDA with ItemProcessor I have the need to implement a basic one-depth stack pushdown automata with an ItemProcessor. My configuration is simple: Code: ...

15. Async processing during an ItemProcessor step - is that ok?    forum.springsource.org

Async processing during an ItemProcessor step - is that ok? Hi folks Over the last day or so I have been evaluating Spring Batch as a candidate for our batch framework ...

16. ExecutionContext handle in ItemProcessor    forum.springsource.org

How do we get the handle of ExecutionContext (Job or Step) inside the ItemProcessor? I don't want it to implement this in StepListener, which has the handle to ExecutionContext. Could anyone ...