Spring Batch @BeforeContext Fails to Execute
来源： https://stackoverflow.com/questions/63398047/spring-batch-beforecontext-fails-to-execute
itemprocessor
Spring Batch: One reader, multiple processors and writers
问题 In Spring batch I need to pass the items read by an ItemReader to two different processors and writer. What I'm trying to achieve is that... +---> ItemProcessor#1 ---> ItemWriter#1 | ItemReader ---> item ---+ | +---> ItemProcessor#2 ---> ItemWriter#2 This is needed because items written by ItemWriter#1 should be processed in a completely different way compared to the ones written by ItemWriter#2. Moreover, ItemReader reads item from a database, and the queries it executes are so computational
Spring Batch: One reader, multiple processors and writers
In Spring batch I need to pass the items read by an ItemReader to two different processors and writer. What I'm trying to achieve is that... +---> ItemProcessor#1 ---> ItemWriter#1 | ItemReader ---> item ---+ | +---> ItemProcessor#2 ---> ItemWriter#2 This is needed because items written by ItemWriter#1 should be processed in a completely different way compared to the ones written by ItemWriter#2. Moreover, ItemReader reads item from a database, and the queries it executes are so computational expensive that executing the same query twice should be discarded. Any hint about how to achieve such