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Add introductory paragraphs where missing

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Issue: SPR-15585
This commit is contained in:
Jay Bryant
2017-05-24 15:56:46 -05:00
committed by Rossen Stoyanchev
parent 99236759ec
commit 2677584658
1 changed files with 49 additions and 19 deletions
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src/asciidoc/whats-new.adoc
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@@ -1,6 +1,8 @@
[[spring-whats-new]]
= What's New in Spring Framework 4.x
This chapter provides an overview of the new features and improvements that have been introduced with Spring Framework 4.3. If you are interested in more details, please see the link:https://jira.spring.io/issues/?jql=project%20%3D%20SPR%20AND%20fixVersion%20in%20(%224.3%20RC1%22%2C%20%224.3%20RC2%22%2C%20%224.3%20GA%22)%20ORDER%20BY%20issuetype%20DESC&startIndex=50[Issue Tracker tickets] that were resolved as part of the 4.3 development process.
[[new-in-4.0]]
== New Features and Enhancements in Spring Framework 4.0
@@ -220,7 +222,15 @@ Framework 4.0 introduces several new features for use in unit and integration te
[[new-in-4.1]]
== New Features and Enhancements in Spring Framework 4.1
=== JMS Improvements
Version 4.1 included a number of improvements, as described in the following sections:
* <<v4_1-JMS-Improvements>>
* <<v4_1-Caching-Improvements>>
* <<v4_1-Web-Improvements>>
* <<v4_1-WebSocket-Messaging-Improvements>>
* <<v4_1-Testing-Improvements>>
=== JMS Improvements [[v4_1-JMS-Improvements]]
Spring 4.1 introduces a much simpler infrastructure <<jms-annotated,to register JMS
listener endpoints>> by annotating bean methods with
{api-spring-framework}/jms/annotation/JmsListener.html[`@JmsListener`].
@@ -250,7 +260,7 @@ Finally, Spring 4.1 provides additional miscellaneous improvements:
{api-spring-framework}/util/backoff/BackOff.html[`BackOff`] implementation
* JMS 2.0 shared consumers are supported
=== Caching Improvements
=== Caching Improvements [[v4_1-Caching-Improvements]]
Spring 4.1 supports <<cache-jsr-107,JCache (JSR-107) annotations>> using Spring's
existing cache configuration and infrastructure abstraction; no changes are required
@@ -270,7 +280,7 @@ Spring 4.1 also improves its own caching abstraction significantly:
Spring 4.1 also has a breaking change in the `Cache` interface as a new `putIfAbsent`
method has been added.
=== Web Improvements
=== Web Improvements [[v4_1-Web-Improvements]]
* The existing support for resource handling based on the `ResourceHttpRequestHandler`
has been expanded with new abstractions `ResourceResolver`, `ResourceTransformer`,
@@ -327,7 +337,7 @@ method has been added.
support (based on Groovy 2.3). See the `GroovyMarkupConfigurer` and respecitve
`ViewResolver` and `View' implementations.
=== WebSocket Messaging Improvements
=== WebSocket Messaging Improvements [[v4_1-WebSocket-Messaging-Improvements]]
* SockJS (Java) client-side support. See `SockJsClient` and classes in same package.
* New application context events `SessionSubscribeEvent` and `SessionUnsubscribeEvent` published
@@ -345,7 +355,7 @@ method has been added.
* Close STOMP/WebSocket connections that have no activity within 60 seconds after the
WebSocket session is established. See https://jira.spring.io/browse/SPR-11884[SPR-11884].
=== Testing Improvements
=== Testing Improvements [[v4_1-Testing-Improvements]]
* Groovy scripts can now be used to configure the `ApplicationContext` loaded for
integration tests in the TestContext framework.
@@ -384,7 +394,16 @@ method has been added.
[[new-in-4.2]]
== New Features and Enhancements in Spring Framework 4.2
=== Core Container Improvements
Version 4.2 included a number of improvements, as described in the following sections:
* <<v4_2-Core-Container-Improvements>>
* <<v4_2-Data-Access-Improvements>>
* <<v4_2-JMS-Improvements>>
* <<v4_2-Web-Improvements>>
* <<v4_2-WebSocket-Messaging-Improvements>>
* <<v4_2-Testing-Improvements>>
=== Core Container Improvements [[v4_2-Core-Container-Improvements]]
* Annotations such as `@Bean` get detected and processed on Java 8 default methods as well,
allowing for composing a configuration class from interfaces with default `@Bean` methods.
@@ -488,7 +507,7 @@ public @interface MyTestConfig {
exposed through the `lang:std` element in XML. Supports e.g. JavaScript and JRuby.
(Note: JRubyScriptFactory and `lang:jruby` are deprecated now, in favor of using JSR-223.)
=== Data Access Improvements
=== Data Access Improvements [[v4_2-Data-Access-Improvements]]
* `javax.transaction.Transactional` is now supported via AspectJ.
* `SimpleJdbcCallOperations` now supports named binding.
@@ -498,7 +517,7 @@ public @interface MyTestConfig {
`<jdbc:embedded-database>` supports a new `database-name` attribute.
See "Testing Improvements" below for further details.
=== JMS Improvements
=== JMS Improvements [[v4_2-JMS-Improvements]]
* The `autoStartup` attribute can be controlled via `JmsListenerContainerFactory`.
* The type of the reply `Destination` can now be configured per listener container.
@@ -507,7 +526,7 @@ public @interface MyTestConfig {
* `@JmsListener` is now a repeatable annotation to declare several JMS containers on the same
method (use the newly introduced `@JmsListeners` if you're not using Java8 yet).
=== Web Improvements
=== Web Improvements [[v4_2-Web-Improvements]]
* HTTP Streaming and Server-Sent Events support, see <<mvc-ann-async-http-streaming>>.
* Built-in support for CORS including global (MVC Java config and XML namespace) and
@@ -540,7 +559,7 @@ public @interface MyTestConfig {
* Introduced `ScriptTemplateView` as a JSR-223 based mechanism for scripted web views,
with a focus on JavaScript view templating on Nashorn (JDK 8).
=== WebSocket Messaging Improvements
=== WebSocket Messaging Improvements [[v4_2-WebSocket-Messaging-Improvements]]
* Expose presence information about connected users and subscriptions:
** new `SimpUserRegistry` exposed as a bean named "userRegistry".
@@ -556,7 +575,7 @@ public @interface MyTestConfig {
`@MessageMapping` and `@SubscribeMapping` methods.
* `MarshallingMessageConverter` for XML payloads.
=== Testing Improvements
=== Testing Improvements [[v4_2-Testing-Improvements]]
* JUnit-based integration tests can now be executed with JUnit rules instead of the
`SpringJUnit4ClassRunner`. This allows Spring-based integration tests to be run with
@@ -620,7 +639,18 @@ public @interface MyTestConfig {
[[new-in-4.3]]
== New Features and Enhancements in Spring Framework 4.3
=== Core Container Improvements
Version 4.3 included a number of improvements, as described in the following sections:
* <<v4_3-Core-Container-Improvements>>
* <<v4_3-Data-Access-Improvements>>
* <<v4_3-Caching-Improvements>>
* <<v4_3-JMS-Improvements>>
* <<v4_3-Web-Improvements>>
* <<v4_3-WebSocket-Messaging-Improvements>>
* <<v4_3-Testing-Improvements>>
* <<v4_3-Support-for-new-library-and-server-generations>>
=== Core Container Improvements [[v4_3-Core-Container-Improvements]]
* Core container exceptions provide richer metadata to evaluate programmatically.
* Java 8 default methods get detected as bean property getters/setters.
@@ -640,12 +670,12 @@ public @interface MyTestConfig {
custom _composed annotations_ with attribute overrides.
* `@Scheduled` is properly supported on beans of any scope.
=== Data Access Improvements
=== Data Access Improvements [[v4_3-Data-Access-Improvements]]
* `jdbc:initialize-database` and `jdbc:embedded-database` support a configurable
separator to be applied to each script.
=== Caching Improvements
=== Caching Improvements [[v4_3-Caching-Improvements]]
Spring 4.3 allows concurrent calls on a given key to be synchronized so that the
value is only computed once. This is an opt-in feature that should be enabled via
@@ -662,13 +692,13 @@ Spring 4.3 also improves the caching abstraction as follows:
* `@Cacheable`, `@CacheEvict`, `@CachePut`, and `@Caching` may now be used as
_meta-annotations_ to create custom _composed annotations_ with attribute overrides.
=== JMS Improvements
=== JMS Improvements [[v4_3-JMS-Improvements]]
* `@SendTo` can now be specified at the class level to share a common reply destination.
* `@JmsListener` and `@JmsListeners` may now be used as _meta-annotations_ to create
custom _composed annotations_ with attribute overrides.
=== Web Improvements
=== Web Improvements [[v4_3-Web-Improvements]]
* Built-in support for <<mvc-ann-requestmapping-head-options,HTTP HEAD and HTTP OPTIONS>>.
* New `@GetMapping`, `@PostMapping`, `@PutMapping`, `@DeleteMapping`, and `@PatchMapping`
@@ -691,11 +721,11 @@ Spring 4.3 also improves the caching abstraction as follows:
* `RestTemplate` and `AsyncRestTemplate` support strict URI variable encoding via `DefaultUriTemplateHandler`.
* `AsyncRestTemplate` supports request interception.
=== WebSocket Messaging Improvements
=== WebSocket Messaging Improvements [[v4_3-WebSocket-Messaging-Improvements]]
* `@SendTo` and `@SendToUser` can now be specified at class-level to share a common destination.
=== Testing Improvements
=== Testing Improvements [[v4_3-Testing-Improvements]]
* The JUnit support in the _Spring TestContext Framework_ now requires JUnit 4.12 or higher.
* New `SpringRunner` _alias_ for the `SpringJUnit4ClassRunner`.
@@ -724,7 +754,7 @@ Spring 4.3 also improves the caching abstraction as follows:
whether the order of declaration for expectations should be ignored (see <<spring-mvc-test-client>>).
* Client-side REST Test supports expectations for form data in the request body.
=== Support for new library and server generations
=== Support for new library and server generations [[v4_3-Support-for-new-library-and-server-generations]]
* Hibernate ORM 5.2 (still supporting 4.2/4.3 and 5.0/5.1 as well, with 3.6 deprecated now)
* Hibernate Validator 5.3 (minimum remains at 4.3)