org.springframework.batch.sample.domain.trade.internal

Class TradeWriter

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 and Description
static java.lang.String	TOTAL_AMOUNT_KEY

Constructor Summary

Constructors

Constructor and Description
TradeWriter()

Method Summary

Modifier and Type	Method and 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