问题描述
我已经在我的域对象中实现了 ResourceAware
以在使用 MultiResourceItemReader
时设置资源名称。我能够成功地检索处理器中的资源名称。但是,在使用 FlatFileItemWriter
进行分类后,我无法访问 ClassifierCompositeItemWriter
中的资源名称,因为我无权访问域对象。任何帮助将不胜感激。
配置
stepBuilderFactory.get("enrichmentStep")
.<recordtype,recordtype>chunk(1)
.reader(multiResourceItemReader())
.processor(processor())
.writer(compositeWriter())
.stream(type0Writer())
.stream(type1Writer())
.stream(type2Writer())
作家
public ClassifierCompositeItemWriter compositeWriter() throws Exception {
ClassifierCompositeItemWriter<recordtype> writer = new ClassifierCompositeItemWriter<>();
SubclassClassifier classifier = new SubclassClassifier<>();
Map typeMap = new HashMap<>();
typeMap.put(recordtype0.class,type0Writer());
typeMap.put(recordtype1.class,type1Writer());
typeMap.put(recordtype2.class,type2Writer());
classifier.setTypeMap(typeMap);
writer.setClassifier(classifier);
return writer;
}
@Bean
public FlatFileItemWriter<recordtype0> type0Writer() throws Exception{
FlatFileItemWriter<recordtype0> writer = new FlatFileItemWriter<>();
writer.setResource( new FileSystemResource("")); //To get the resource value from domain object here
writer.setAppendAllowed(true);
writer.setLineAggregator(new DelimitedLineAggregator<recordtype0>() {{
setDelimiter("#");
setFieldExtractor(new BeanWrapperFieldExtractor<recordtype0>() {{
setNames(new String[] { "recordtype","BatchID","SubBatchID"});}});}});
return writer;
}
解决方法
暂无找到可以解决该程序问题的有效方法,小编努力寻找整理中!
如果你已经找到好的解决方法,欢迎将解决方案带上本链接一起发送给小编。
小编邮箱:dio#foxmail.com (将#修改为@)