SpringBatch - 在FieldSetMapper上获取行号(SpringBatch - Get Line Number on FieldSetMapper)

 我需要将行号放入FieldSet Mapper中。 我怎样才能做到这一点？ 
 
 我想使用lineNumber作为Mapper生成的结果对象的字段。 
 
<beans:bean id="fileReader" class="org.springframework.batch.item.file.FlatFileItemReader" scope="step">
    <beans:property name="resource" 
        value="file:${batch.source}"/>
    <beans:property name="lineMapper">
        <beans:bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
            <beans:property name="lineTokenizer">
                <beans:bean class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
                    <beans:property name="delimiter" value="${batch.delimiter}"/>
                    <beans:property name="names" value="${batch.columns}"/>
                </beans:bean>
            </beans:property>

            <beans:property name="fieldSetMapper">
                <beans:bean class="my.batch.mapper.ResourceFieldSetMapper"/>
            </beans:property>
        </beans:bean>
    </beans:property>
</beans:bean>
 
 谢谢。 

I need to get the line number into the FieldSet Mapper. How can I do this?
 
I want to use the lineNumber as a field of my resulting object produced by the Mapper.
 
<beans:bean id="fileReader" class="org.springframework.batch.item.file.FlatFileItemReader" scope="step">
    <beans:property name="resource" 
        value="file:${batch.source}"/>
    <beans:property name="lineMapper">
        <beans:bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
            <beans:property name="lineTokenizer">
                <beans:bean class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
                    <beans:property name="delimiter" value="${batch.delimiter}"/>
                    <beans:property name="names" value="${batch.columns}"/>
                </beans:bean>
            </beans:property>

            <beans:property name="fieldSetMapper">
                <beans:bean class="my.batch.mapper.ResourceFieldSetMapper"/>
            </beans:property>
        </beans:bean>
    </beans:property>
</beans:bean>
 
Thank You.

原文：https://stackoverflow.com/questions/23705400