/*
* Copyright 2006-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.batch.repeat.support;
import java.util.List;
import org.junit.Before;
import org.springframework.batch.item.ExecutionContext;
import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.file.FlatFileItemReader;
import org.springframework.batch.item.file.mapping.DefaultLineMapper;
import org.springframework.batch.item.file.mapping.FieldSetMapper;
import org.springframework.batch.item.file.transform.DelimitedLineTokenizer;
import org.springframework.batch.item.file.transform.FieldSet;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
/**
* Base class for simple tests with small trade data set.
*
* @author Dave Syer
*
*/
public abstract class AbstractTradeBatchTests {
public static final int NUMBER_OF_ITEMS = 5;
Resource resource = new ClassPathResource("trades.csv", getClass());
protected TradeWriter processor = new TradeWriter();
protected TradeItemReader provider;
@Before
public void setUp() throws Exception {
provider = new TradeItemReader(resource);
provider.open(new ExecutionContext());
}
protected static class TradeItemReader extends FlatFileItemReader<Trade> {
protected TradeItemReader(Resource resource) throws Exception {
super();
setResource(resource);
DefaultLineMapper<Trade> mapper = new DefaultLineMapper<Trade>();
mapper.setLineTokenizer(new DelimitedLineTokenizer());
mapper.setFieldSetMapper(new TradeMapper());
setLineMapper(mapper);
afterPropertiesSet();
}
}
protected static class TradeMapper implements FieldSetMapper<Trade> {
@Override
public Trade mapFieldSet(FieldSet fs) {
return new Trade(fs);
}
}
protected static class TradeWriter implements ItemWriter<Trade> {
int count = 0;
// This has to be synchronized because we are going to test the state
// (count) at the end of a concurrent batch run.
@Override
public synchronized void write(List<? extends Trade> data) {
count++;
System.out.println("Executing trade '" + data + "'");
}
}
}