IN PROGRESS - issue BATCH-7: Remove transaction synchronization and state management from input/output sources (formerly buffering)

http://jira.springframework.org/browse/BATCH-7

Remove some references to Statistics

spring-batch-infrastructure/src/main/java/org/springframework/batch/item/stream/ItemStreamAdapter.java

@@ -0,0 +1,59 @@
+/*
+ * 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.item.stream;
+
+import java.util.Properties;
+
+import org.springframework.batch.item.ItemStream;
+import org.springframework.batch.item.StreamContext;
+import org.springframework.batch.item.StreamException;
+
+/**
+ * @author Dave Syer
+ *
+ */
+public class ItemStreamAdapter implements ItemStream {
+
+	/**
+	 * No-op.
+	 * @see org.springframework.batch.item.ItemStream#close()
+	 */
+	public void close() throws StreamException {
+	}
+
+	/**
+	 * No-op.
+	 * @see org.springframework.batch.item.ItemStream#open()
+	 */
+	public void open() throws StreamException {
+	}
+
+	/**
+	 * No-op.
+	 * @see org.springframework.batch.item.ItemStream#restoreFrom(org.springframework.batch.item.StreamContext)
+	 */
+	public void restoreFrom(StreamContext context) {
+	}
+
+	/**
+	 * Return empty {@link StreamContext}.
+	 * @see org.springframework.batch.item.StreamContextProvider#getStreamContext()
+	 */
+	public StreamContext getStreamContext() {
+		return new GenericStreamContext(new Properties());
+	}
+
+}