/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.test.integration.batch.common;
import javax.batch.api.chunk.ItemReader;
import javax.inject.Named;
@Named("integerArrayReader")
public final class IntegerArrayReader extends IntegerArrayReaderWriterBase implements ItemReader {
@Override
public Object readItem() throws Exception {
if (cursor > partitionEnd || cursor < partitionStart) {
return null;
}
if (cursor == readerFailAt) {
throw new ArithmeticException("Failing at reader.fail.at point " + readerFailAt);
}
final Integer result = data[cursor];
cursor++;
return result;
}
@Override
protected void initData() {
super.initData();
for (int i = 0; i < dataCount; i++) {
data[i] = i;
}
//position the cursor according to partition start
cursor = partitionStart;
}
}