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

java.lang.Object
  org.springframework.batch.sample.domain.trade.internal.GeneratingTradeItemReader

All Implemented Interfaces:

ItemReader<Trade>

public class GeneratingTradeItemReader
extends Object
implements ItemReader<Trade>

Generates configurable number of Trade items.

Author:

Robert Kasanicky

Constructor Summary

GeneratingTradeItemReader()

Method Summary

int	getCounter()
int	getLimit()
Trade	read() Reads a piece of input data and advance to the next one.
void	resetCounter()
void	setLimit(int limit)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GeneratingTradeItemReader

public GeneratingTradeItemReader()

Method Detail

read

public Trade read()
           throws Exception

Description copied from interface: 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.

Specified by:

read in interface ItemReader<Trade>

Throws:

Exception - if an underlying resource is unavailable.

setLimit

public void setLimit(int limit)

Parameters:

limit - number of items that will be generated (null returned on consecutive calls).

getCounter

public int getCounter()

getLimit

public int getLimit()

resetCounter

public void resetCounter()