Consistently declare @SuppressWarnings("serial") instead of dummy serialVersionUID

(cherry picked from commit 56b7d7a)

Author: jhoeller

spring-aop/src/main/java/org/springframework/aop/target/AbstractPoolingTargetSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -50,6 +50,7 @@
  * @see #releaseTarget
  * @see #destroy
  */
+@SuppressWarnings("serial")
 public abstract class AbstractPoolingTargetSource extends AbstractPrototypeBasedTargetSource
 		implements PoolingConfig, DisposableBean {
 

spring-aop/src/main/java/org/springframework/aop/target/AbstractPrototypeBasedTargetSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -43,6 +43,7 @@
  * @see ThreadLocalTargetSource
  * @see CommonsPoolTargetSource
  */
+@SuppressWarnings("serial")
 public abstract class AbstractPrototypeBasedTargetSource extends AbstractBeanFactoryBasedTargetSource {
 
 	@Override

spring-aop/src/main/java/org/springframework/aop/target/CommonsPoolTargetSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -24,8 +24,8 @@
 import org.springframework.core.Constants;
 
 /**
- * TargetSource implementation that holds objects in a configurable
- * Jakarta Commons Pool.
+ * {@link org.springframework.aop.TargetSource} implementation that holds
+ * objects in a configurable Apache Commons Pool.
  *
  * <p>By default, an instance of {@code GenericObjectPool} is created.
  * Subclasses may change the type of {@code ObjectPool} used by
@@ -38,10 +38,12 @@
  * of configuration properties that are relevant to your chosen implementation.
  *
  * <p>The {@code testOnBorrow}, {@code testOnReturn} and {@code testWhileIdle}
- * properties are explictly not mirrored because the implementation of
+ * properties are explicitly not mirrored because the implementation of
  * {@code PoolableObjectFactory} used by this class does not implement
- * meaningful validation. All exposed Commons Pool properties use the corresponding
- * Commons Pool defaults: for example,
+ * meaningful validation. All exposed Commons Pool properties use the
+ * corresponding Commons Pool defaults.
+ *
+ * <p>Compatible with Apache Commons Pool 1.5.x and 1.6.
  *
  * @author Rod Johnson
  * @author Rob Harrop
@@ -55,10 +57,8 @@
  * @see #setTimeBetweenEvictionRunsMillis
  * @see #setMinEvictableIdleTimeMillis
  */
-public class CommonsPoolTargetSource extends AbstractPoolingTargetSource
-		implements PoolableObjectFactory {
-
-	private static final long serialVersionUID = 1L;
+@SuppressWarnings("serial")
+public class CommonsPoolTargetSource extends AbstractPoolingTargetSource implements PoolableObjectFactory {
 
 	private static final Constants constants = new Constants(GenericObjectPool.class);
 

spring-aop/src/main/java/org/springframework/aop/target/PrototypeTargetSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -19,20 +19,21 @@
 import org.springframework.beans.BeansException;
 
 /**
- * TargetSource that creates a new instance of the target bean for each
- * request, destroying each instance on release (after each request).
- * Obtains bean instances from its containing
+ * {@link org.springframework.aop.TargetSource} implementation that
+ * creates a new instance of the target bean for each request,
+ * destroying each instance on release (after each request).
+ *
+ * <p>Obtains bean instances from its containing
  * {@link org.springframework.beans.factory.BeanFactory}.
  *
  * @author Rod Johnson
  * @author Juergen Hoeller
  * @see #setBeanFactory
  * @see #setTargetBeanName
  */
+@SuppressWarnings("serial")
 public class PrototypeTargetSource extends AbstractPrototypeBasedTargetSource {
 
-	private static final long serialVersionUID = 1L;
-
 	/**
 	 * Obtain a new prototype instance for every call.
 	 * @see #newPrototypeInstance()

spring-aop/src/main/java/org/springframework/aop/target/ThreadLocalTargetSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -27,9 +27,10 @@
 import org.springframework.core.NamedThreadLocal;
 
 /**
- * Alternative to an object pool. This TargetSource uses a threading model in which
- * every thread has its own copy of the target. There's no contention for targets.
- * Target object creation is kept to a minimum on the running server.
+ * Alternative to an object pool. This {@link org.springframework.aop.TargetSource}
+ * uses a threading model in which every thread has its own copy of the target.
+ * There's no contention for targets. Target object creation is kept to a minimum
+ * on the running server.
  *
  * <p>Application code is written as to a normal pool; callers can't assume they
  * will be dealing with the same instance in invocations in different threads.
@@ -47,11 +48,10 @@
  * @see ThreadLocalTargetSourceStats
  * @see org.springframework.beans.factory.DisposableBean#destroy()
  */
+@SuppressWarnings("serial")
 public class ThreadLocalTargetSource extends AbstractPrototypeBasedTargetSource
 		implements ThreadLocalTargetSourceStats, DisposableBean {
 
-	private static final long serialVersionUID = 1L;
-
 	/**
 	 * ThreadLocal holding the target associated with the current
 	 * thread. Unlike most ThreadLocals, which are static, this variable
@@ -80,10 +80,8 @@ public Object getTarget() throws BeansException {
 		Object target = this.targetInThread.get();
 		if (target == null) {
 			if (logger.isDebugEnabled()) {
-				logger.debug("No target for prototype '" + getTargetBeanName() +
-						"' bound to thread: " +
-						"creating one and binding it to thread '" +
-						Thread.currentThread().getName() + "'");
+				logger.debug("No target for prototype '" + getTargetBeanName() + "' bound to thread: " +
+						"creating one and binding it to thread '" + Thread.currentThread().getName() + "'");
 			}
 			// Associate target with ThreadLocal.
 			target = newPrototypeInstance();

spring-orm/src/main/java/org/springframework/orm/jpa/LocalContainerEntityManagerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -78,11 +78,10 @@
  * @see org.springframework.orm.jpa.support.SharedEntityManagerBean
  * @see javax.persistence.spi.PersistenceProvider#createContainerEntityManagerFactory
  */
+@SuppressWarnings("serial")
 public class LocalContainerEntityManagerFactoryBean extends AbstractEntityManagerFactoryBean
 		implements ResourceLoaderAware, LoadTimeWeaverAware {
 
-	private static final long serialVersionUID = 1L;
-
 	private PersistenceUnitManager persistenceUnitManager;
 
 	private final DefaultPersistenceUnitManager internalPersistenceUnitManager =
@@ -129,6 +128,7 @@ public void setPersistenceXmlLocation(String persistenceXmlLocation) {
 	 * Uses the specified persistence unit name as the name of the default
 	 * persistence unit, if applicable.
 	 * <p><b>NOTE: Only applied if no external PersistenceUnitManager specified.</b>
+	 * @see DefaultPersistenceUnitManager#setDefaultPersistenceUnitName
 	 */
 	@Override
 	public void setPersistenceUnitName(String persistenceUnitName) {
@@ -148,6 +148,7 @@ public void setPersistenceUnitName(String persistenceUnitName) {
 	 * @param packagesToScan one or more base packages to search, analogous to
 	 * Spring's component-scan configuration for regular Spring components
 	 * @see #setPersistenceUnitManager
+	 * @see DefaultPersistenceUnitManager#setPackagesToScan
 	 */
 	public void setPackagesToScan(String... packagesToScan) {
 		this.internalPersistenceUnitManager.setPackagesToScan(packagesToScan);
@@ -163,6 +164,7 @@ public void setPackagesToScan(String... packagesToScan) {
 	 * so that they can be loaded through {@code ClassLoader.getResource}.
 	 * <p><b>NOTE: Only applied if no external PersistenceUnitManager specified.</b>
 	 * @see #setPersistenceUnitManager
+	 * @see DefaultPersistenceUnitManager#setMappingResources
 	 */
 	public void setMappingResources(String... mappingResources) {
 		this.internalPersistenceUnitManager.setMappingResources(mappingResources);

spring-orm/src/main/java/org/springframework/orm/jpa/LocalEntityManagerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -57,18 +57,16 @@
  * @since 2.0
  * @see #setJpaProperties
  * @see #setJpaVendorAdapter
- * @see JpaTemplate#setEntityManagerFactory
  * @see JpaTransactionManager#setEntityManagerFactory
  * @see LocalContainerEntityManagerFactoryBean
  * @see org.springframework.jndi.JndiObjectFactoryBean
  * @see org.springframework.orm.jpa.support.SharedEntityManagerBean
  * @see javax.persistence.Persistence#createEntityManagerFactory
  * @see javax.persistence.spi.PersistenceProvider#createEntityManagerFactory
  */
+@SuppressWarnings("serial")
 public class LocalEntityManagerFactoryBean extends AbstractEntityManagerFactoryBean {
 
-	private static final long serialVersionUID = 1L;
-
 	/**
 	 * Initialize the EntityManagerFactory for the given configuration.
 	 * @throws javax.persistence.PersistenceException in case of JPA initialization errors

spring-webmvc/src/main/java/org/springframework/web/servlet/FlashMap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2014 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.
@@ -42,13 +42,11 @@
  *
  * @author Rossen Stoyanchev
  * @since 3.1
- *
  * @see FlashMapManager
  */
+@SuppressWarnings("serial")
 public final class FlashMap extends HashMap<String, Object> implements Comparable<FlashMap> {
 
-	private static final long serialVersionUID = 1L;
-
 	private String targetRequestPath;
 
 	private final MultiValueMap<String, String> targetRequestParams = new LinkedMultiValueMap<String, String>();
@@ -57,6 +55,7 @@ public final class FlashMap extends HashMap<String, Object> implements Comparabl
 
 	private int timeToLive;
 
+
 	/**
 	 * Provide a URL path to help identify the target request for this FlashMap.
 	 * The path may be absolute (e.g. /application/resource) or relative to the
@@ -71,7 +70,7 @@ public void setTargetRequestPath(String path) {
 	 * Return the target URL path or {@code null}.
 	 */
 	public String getTargetRequestPath() {
-		return targetRequestPath;
+		return this.targetRequestPath;
 	}
 
 	/**
@@ -123,7 +122,7 @@ public void startExpirationPeriod(int timeToLive) {
 	 */
 	public boolean isExpired() {
 		if (this.expirationStartTime != 0) {
-			return (System.currentTimeMillis() - this.expirationStartTime) > this.timeToLive * 1000;
+			return (System.currentTimeMillis() - this.expirationStartTime > this.timeToLive * 1000);
 		}
 		else {
 			return false;
@@ -136,8 +135,8 @@ public boolean isExpired() {
 	 * instances ensure that they match a given request.
 	 */
 	public int compareTo(FlashMap other) {
-		int thisUrlPath = (this.targetRequestPath != null) ? 1 : 0;
-		int otherUrlPath = (other.targetRequestPath != null) ? 1 : 0;
+		int thisUrlPath = (this.targetRequestPath != null ? 1 : 0);
+		int otherUrlPath = (other.targetRequestPath != null ? 1 : 0);
 		if (thisUrlPath != otherUrlPath) {
 			return otherUrlPath - thisUrlPath;
 		}
@@ -149,7 +148,7 @@ public int compareTo(FlashMap other) {
 	@Override
 	public String toString() {
 		StringBuilder sb = new StringBuilder();
-		sb.append("[Attributes=").append(super.toString());
+		sb.append("FlashMap [attributes=").append(super.toString());
 		sb.append(", targetRequestPath=").append(this.targetRequestPath);
 		sb.append(", targetRequestParams=").append(this.targetRequestParams).append("]");
 		return sb.toString();