BATCH-778: work in progress (some tests disabled)

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<T> implements RepeatCallback {
+
+	private final ItemReader<T> reader;
+	private final ItemWriter<T> writer;
+
+	/**
+	 * @param reader
+	 * @param writer
+	 */
+	public ItemReaderRepeatCallback(ItemReader<T> reader, ItemWriter<T> 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;
+	}
+
+}