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

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

Added mark()/reset() to ItemStream, and implementations.

spring-batch-infrastructure/src/test/java/org/springframework/batch/io/driving/FooInputSource.java

@@ -50,5 +50,27 @@ class FooItemReader extends AbstractItemReader implements ItemStream, ItemReader
 	};
 
 	public void close() {
+	}
+
+	/**
+	 * True.
+	 * @see org.springframework.batch.item.ItemStream#isMarkSupported()
+	 */
+	public boolean isMarkSupported() {
+		return true;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.springframework.batch.item.ItemStream#mark(org.springframework.batch.item.StreamContext)
+	 */
+	public void mark(StreamContext streamContext) {
+		inputSource.mark(streamContext);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.springframework.batch.item.ItemStream#reset(org.springframework.batch.item.StreamContext)
+	 */
+	public void reset(StreamContext streamContext) {
+		inputSource.reset(streamContext);
 	};
 }

spring-batch-infrastructure/src/test/java/org/springframework/batch/io/support/AbstractTransactionalIoSourceTests.java

@@ -20,6 +20,7 @@ import java.util.List;
 
 import junit.framework.TestCase;
 
+import org.springframework.batch.item.StreamContext;
 import org.springframework.transaction.support.TransactionSynchronization;
 import org.springframework.transaction.support.TransactionSynchronizationManager;
 import org.springframework.transaction.support.TransactionSynchronizationUtils;
@@ -102,12 +103,12 @@ public class AbstractTransactionalIoSourceTests extends TestCase {
 		private boolean commitCalled = false;
 		private boolean rollbackCalled = false;
 		
-		protected void transactionCommitted() {
+		public void mark(StreamContext streamContext) {
 			Assert.isTrue(!commitCalled, "Commit aleady called");
 			commitCalled = true;
 		}
 
-		protected void transactionRolledBack() {
+		public void reset(StreamContext streamContext) {
 			Assert.isTrue(!rollbackCalled, "Rollback aleady called");
 			rollbackCalled = true;
 		}

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/reader/DelegatingItemReaderTests.java

@@ -126,6 +126,16 @@ public class DelegatingItemReaderTests extends TestCase {
 			value = "after skip";
 		}
 
+		public boolean isMarkSupported() {
+			return false;
+		}
+
+		public void mark(StreamContext streamContext) {
+		}
+
+		public void reset(StreamContext streamContext) {
+		}
+
 	}
 
 }

spring-batch-infrastructure/src/test/java/org/springframework/batch/item/writer/ItemWriterItemProcessorTests.java

@@ -22,7 +22,6 @@ import java.util.Properties;
 import junit.framework.TestCase;
 
 import org.springframework.batch.io.Skippable;
-import org.springframework.batch.item.ItemStream;
 import org.springframework.batch.item.ItemWriter;
 import org.springframework.batch.item.StreamContext;
 import org.springframework.batch.item.stream.GenericStreamContext;
@@ -128,7 +127,7 @@ public class ItemWriterItemProcessorTests extends TestCase {
 	 * @author Dave Syer
 	 * 
 	 */
-	public class MockOutputSource implements ItemWriter, ItemStream, Skippable {
+	public class MockOutputSource extends AbstractItemStreamItemWriter implements Skippable {
 
 		private String value;