java.lang.Object
- org.springframework.batch.item.ItemStreamSupport
- - org.springframework.batch.sample.domain.trade.internal.TradeWriter

All Implemented Interfaces:
ItemStream, ItemWriter<Trade>
```
public class TradeWriter
extends ItemStreamSupport
implements ItemWriter<Trade>
```
Delegates the actual writing to custom DAO delegate. Allows configurable exception raising for testing skip and restart.

Field Summary
Fields
Modifier and Type Field Description
static java.lang.String TOTAL_AMOUNT_KEY

Constructor Summary
Constructors
Constructor Description
TradeWriter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.math.BigDecimal`	`getTotalPrice()`
`void`	`open(ExecutionContext executionContext)`	No-op.
`void`	`setDao(TradeDao dao)`
`void`	`setFailingCustomers(java.util.List<java.lang.String> failingCustomers)`	Public setter for the the customers on which failure should occur.
`void`	`update(ExecutionContext executionContext)`	Return empty `ExecutionContext`.
`void`	`updateTotalPrice(java.util.List<Trade> trades)`
`void`	`write(java.util.List<? extends Trade> trades)`	Process the supplied data element.

Methods inherited from class org.springframework.batch.item.ItemStreamSupport
close, getExecutionContextKey, setExecutionContextName, setName

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - TOTAL_AMOUNT_KEY
```
public static final java.lang.String TOTAL_AMOUNT_KEY
```
    See Also:
    Constant Field Values
- Constructor Detail
  - TradeWriter
```
public TradeWriter()
```
- Method Detail
  - write
```
public void write(java.util.List<? extends Trade> trades)
```
    Description copied from interface: ItemWriter
    Process the supplied data element. Will not be called with any null items in normal operation.
    Specified by:
    write in interface ItemWriter<Trade>
    Parameters:
    trades - items to be written
  - updateTotalPrice
```
public void updateTotalPrice(java.util.List<Trade> trades)
```
  - open
```
public void open(ExecutionContext executionContext)
```
    Description copied from class: ItemStreamSupport
    No-op.
    Specified by:
    open in interface ItemStream
    Overrides:
    open in class ItemStreamSupport
    Parameters:
    executionContext - current step's ExecutionContext. Will be the executionContext from the last run of the step on a restart.
    See Also:
    ItemStream.open(ExecutionContext)
  - update
```
public void update(ExecutionContext executionContext)
```
    Description copied from class: ItemStreamSupport
    Return empty ExecutionContext.
    Specified by:
    update in interface ItemStream
    Overrides:
    update in class ItemStreamSupport
    Parameters:
    executionContext - to be updated
    See Also:
    ItemStream.update(ExecutionContext)
  - getTotalPrice
```
public java.math.BigDecimal getTotalPrice()
```
  - setDao
```
public void setDao(TradeDao dao)
```
  - setFailingCustomers
```
public void setFailingCustomers(java.util.List<java.lang.String> failingCustomers)
```
    Public setter for the the customers on which failure should occur.
    Parameters:
    failingCustomers - The customers to fail on

Class TradeWriter

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.springframework.batch.item.ItemStreamSupport

Methods inherited from class java.lang.Object

Field Detail

TOTAL_AMOUNT_KEY

Constructor Detail

TradeWriter

Method Detail

write

updateTotalPrice

open

update

getTotalPrice

setDao

setFailingCustomers