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

所有已实现的接口:
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.

字段概要
字段
修饰符和类型字段说明
static java.lang.String TOTAL_AMOUNT_KEY

构造器概要
构造器
构造器说明
TradeWriter()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`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.

从类继承的方法 org.springframework.batch.item.ItemStreamSupport
close, getExecutionContextKey, setExecutionContextName, setName

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - TOTAL_AMOUNT_KEY
```
public static final java.lang.String TOTAL_AMOUNT_KEY
```
    另请参阅:
    常量字段值
- 构造器详细资料
  - TradeWriter
```
public TradeWriter()
```
- 方法详细资料
  - write
```
public void write(java.util.List<? extends Trade> trades)
```
    从接口复制的说明: ItemWriter
    Process the supplied data element. Will not be called with any null items in normal operation.
    指定者:
    write 在接口中 ItemWriter<Trade>
    参数:
    trades - items to be written
  - updateTotalPrice
```
public void updateTotalPrice(java.util.List<Trade> trades)
```
  - open
```
public void open(ExecutionContext executionContext)
```
    从类复制的说明: ItemStreamSupport
    No-op.
    指定者:
    open 在接口中 ItemStream
    覆盖:
    open 在类中 ItemStreamSupport
    参数:
    executionContext - current step's ExecutionContext. Will be the executionContext from the last run of the step on a restart.
    另请参阅:
    ItemStream.open(ExecutionContext)
  - update
```
public void update(ExecutionContext executionContext)
```
    从类复制的说明: ItemStreamSupport
    Return empty ExecutionContext.
    指定者:
    update 在接口中 ItemStream
    覆盖:
    update 在类中 ItemStreamSupport
    参数:
    executionContext - to be updated
    另请参阅:
    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.
    参数:
    failingCustomers - The customers to fail on

类 TradeWriter

字段概要

构造器概要

方法概要

从类继承的方法 org.springframework.batch.item.ItemStreamSupport

从类继承的方法 java.lang.Object

字段详细资料

TOTAL_AMOUNT_KEY

构造器详细资料

TradeWriter

方法详细资料

write

updateTotalPrice

open

update

getTotalPrice

setDao

setFailingCustomers