diff --git a/spring-batch-infrastructure/src/test/java/org/springframework/batch/repeat/support/ItemReaderRepeatCallback.java b/spring-batch-infrastructure/src/test/java/org/springframework/batch/repeat/support/ItemReaderRepeatCallback.java new file mode 100644 index 000000000..f4137202d --- /dev/null +++ b/spring-batch-infrastructure/src/test/java/org/springframework/batch/repeat/support/ItemReaderRepeatCallback.java @@ -0,0 +1,56 @@ +/* + * 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.Collections; + +import org.springframework.batch.item.ItemReader; +import org.springframework.batch.item.ItemWriter; +import org.springframework.batch.repeat.ExitStatus; +import org.springframework.batch.repeat.RepeatCallback; +import org.springframework.batch.repeat.RepeatContext; + +/** + * @author Dave Syer + * + */ +public class ItemReaderRepeatCallback implements RepeatCallback { + + private final ItemReader reader; + private final ItemWriter writer; + + /** + * @param reader + * @param writer + */ + public ItemReaderRepeatCallback(ItemReader reader, ItemWriter writer) { + this.writer = writer; + this.reader = reader; + } + + /* (non-Javadoc) + * @see org.springframework.batch.repeat.RepeatCallback#doInIteration(org.springframework.batch.repeat.RepeatContext) + */ + public ExitStatus doInIteration(RepeatContext context) throws Exception { + T item = reader.read(); + if (item==null) { + return ExitStatus.FINISHED; + } + writer.write(Collections.singletonList(item)); + return ExitStatus.CONTINUABLE; + } + +}