Spring/spring-batch
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RESOLVED - issue BATCH-745: strong typing in AggregateItemReader

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Added AggregateItem<T>
This commit is contained in:
dsyer
2008-07-28 15:42:35 +00:00
parent 04c9e16b1b
commit 4b6f350a47
12 changed files with 385 additions and 75 deletions
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17
spring-batch-samples/src/main/java/org/springframework/batch/sample/domain/trade/internal/TradeFieldSetMapper.java
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@@ -18,32 +18,19 @@ package org.springframework.batch.sample.domain.trade.internal;
import org.springframework.batch.item.file.mapping.FieldSet;
import org.springframework.batch.item.file.mapping.FieldSetMapper;
import org.springframework.batch.item.support.AggregateItemReader;
import org.springframework.batch.sample.domain.trade.Trade;
@SuppressWarnings("unchecked")
/**
* TODO type safety
*/
public class TradeFieldSetMapper implements FieldSetMapper {
public class TradeFieldSetMapper implements FieldSetMapper<Trade> {
public static final int ISIN_COLUMN = 0;
public static final int QUANTITY_COLUMN = 1;
public static final int PRICE_COLUMN = 2;
public static final int CUSTOMER_COLUMN = 3;
public Object mapLine(FieldSet fieldSet, int lineNum) {
public Trade mapLine(FieldSet fieldSet, int lineNum) {
if ("BEGIN".equals(fieldSet.readString(0))) {
return AggregateItemReader.BEGIN_RECORD;
}
if ("END".equals(fieldSet.readString(0))) {
return AggregateItemReader.END_RECORD;
}
Trade trade = new Trade();
trade.setIsin(fieldSet.readString(0));
trade.setQuantity(fieldSet.readLong(1));

4
spring-batch-samples/src/main/java/org/springframework/batch/sample/support/ExceptionThrowingItemReaderProxy.java
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@@ -41,10 +41,6 @@ public class ExceptionThrowingItemReaderProxy<T> extends DelegatingItemReader<T>
this.throwExceptionOnRecordNumber = throwExceptionOnRecordNumber;
}
public int getThrowExceptionOnRecordNumber() {
return throwExceptionOnRecordNumber;
}
public T read() throws Exception {
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