Housecleaning of build warnings

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/AsynchronousFailureException.java

@@ -27,6 +27,8 @@ import org.springframework.batch.item.ItemWriterException;
  */
 public class AsynchronousFailureException extends ItemWriterException {
 
+	private static final long serialVersionUID = 1L;
+
 	/**
 	 * Create a new {@link AsynchronousFailureException} based on a message and
 	 * another exception.

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/ChunkMessageChannelItemWriter.java

@@ -216,6 +216,7 @@ public class ChunkMessageChannelItemWriter<T> extends StepExecutionListenerSuppo
 	 * @throws IllegalStateException if the result contains the wrong job instance id (maybe we are sharing a channel
 	 * and we shouldn't be)
 	 */
+	@SuppressWarnings("unchecked")
 	private void getNextResult() throws AsynchronousFailureException {
 		Message<ChunkResponse> message = (Message<ChunkResponse>) messagingGateway.receive(replyChannel);
 		if (message != null) {

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/ChunkRequest.java

@@ -31,6 +31,8 @@ import org.springframework.batch.core.StepContribution;
  */
 public class ChunkRequest<T> implements Serializable {
 
+	private static final long serialVersionUID = 1L;
+
 	private final long jobId;
 
 	private final Collection<? extends T> items;

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/ChunkResponse.java

@@ -28,6 +28,8 @@ import org.springframework.batch.core.StepContribution;
  */
 public class ChunkResponse implements Serializable {
 
+	private static final long serialVersionUID = 1L;
+
 	private final StepContribution stepContribution;
 
 	private final Long jobId;

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/RemoteChunkHandlerFactoryBean.java

@@ -122,7 +122,7 @@ public class RemoteChunkHandlerFactoryBean<T> implements FactoryBean<ChunkHandle
 			logger.debug("Converting TaskletStep with name=" + step.getName());
 		}
 
-		Tasklet tasklet = getTasklet((TaskletStep) step);
+		Tasklet tasklet = getTasklet(step);
 		Assert.state(tasklet instanceof ChunkOrientedTasklet<?>, "Tasklet must be ChunkOrientedTasklet in step="
 				+ step.getName());
 

spring-batch-integration/src/main/java/org/springframework/batch/integration/config/xml/RemoteChunkingSlaveParser.java

@@ -15,6 +15,8 @@
  */
 package org.springframework.batch.integration.config.xml;
 
+import org.w3c.dom.Element;
+
 import org.springframework.batch.core.step.item.SimpleChunkProcessor;
 import org.springframework.batch.integration.chunk.ChunkProcessorChunkHandler;
 import org.springframework.batch.item.support.PassThroughItemProcessor;
@@ -29,7 +31,6 @@ import org.springframework.integration.config.ServiceActivatorFactoryBean;
 import org.springframework.integration.config.xml.AbstractConsumerEndpointParser;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
-import org.w3c.dom.Element;
 
 /**
  * <p>
@@ -78,7 +79,7 @@ public class RemoteChunkingSlaveParser extends AbstractBeanDefinitionParser {
 		if(StringUtils.hasText(itemProcessor)) {
 			chunkProcessorBuilder.addPropertyReference(ITEM_PROCESSOR_PROPERTY_NAME, itemProcessor);
 		} else {
-			chunkProcessorBuilder.addPropertyValue(ITEM_PROCESSOR_PROPERTY_NAME, new PassThroughItemProcessor());
+			chunkProcessorBuilder.addPropertyValue(ITEM_PROCESSOR_PROPERTY_NAME, new PassThroughItemProcessor<>());
 		}
 
 		BeanDefinition chunkProcessorChunkHandler =

spring-batch-integration/src/main/java/org/springframework/batch/integration/partition/BeanFactoryStepLocator.java

@@ -31,7 +31,7 @@ public class BeanFactoryStepLocator implements StepLocator, BeanFactoryAware {
 	 * @see StepLocator#getStep(String)
 	 */
 	public Step getStep(String stepName) {
-		return (Step) beanFactory.getBean(stepName, Step.class);
+		return beanFactory.getBean(stepName, Step.class);
 	}
 
 	/**

spring-batch-integration/src/main/java/org/springframework/batch/integration/partition/StepExecutionRequest.java

@@ -4,6 +4,8 @@ import java.io.Serializable;
 
 public class StepExecutionRequest implements Serializable {
 
+	private static final long serialVersionUID = 1L;
+
 	private final Long stepExecutionId;
 
 	private final String stepName;