类 OrderItemReader

构造器详细资料

• OrderItemReader

  public OrderItemReader()

方法详细资料

• read

  public Order read()
             throws java.lang.Exception

  从接口复制的说明: ItemReader
  Reads a piece of input data and advance to the next one. Implementations must return null at the end of the input data set. In a transactional setting, caller might get the same item twice from successive calls (or otherwise), if the first call was in a transaction that rolled back.

  指定者:

  read 在接口中 ItemReader<Order>

  返回:

  T the item to be processed or null if the data source is exhausted

  抛出:

  ParseException - if there is a problem parsing the current record (but the next one may still be valid)

  NonTransientResourceException - if there is a fatal exception in the underlying resource. After throwing this exception implementations should endeavour to return null from subsequent calls to read.

  UnexpectedInputException - if there is an uncategorised problem with the input data. Assume potentially transient, so subsequent calls to read might succeed.

  java.lang.Exception - if an there is a non-specific error.

  另请参阅:

  ItemReader.read()

• setFieldSetReader

  public void setFieldSetReader​(ItemReader<FieldSet> fieldSetReader)

  参数:

  fieldSetReader - reads lines from the file converting them to FieldSet.

• setAddressMapper

  public void setAddressMapper​(FieldSetMapper<Address> addressMapper)

• setBillingMapper

  public void setBillingMapper​(FieldSetMapper<BillingInfo> billingMapper)

• setCustomerMapper

  public void setCustomerMapper​(FieldSetMapper<Customer> customerMapper)

• setHeaderMapper

  public void setHeaderMapper​(FieldSetMapper<Order> headerMapper)

• setItemMapper

  public void setItemMapper​(FieldSetMapper<LineItem> itemMapper)

• setShippingMapper

  public void setShippingMapper​(FieldSetMapper<ShippingInfo> shippingMapper)