GitHub-Spring/spring-framework - spring-framework - Gitea: Git with a cup of tea

Author	SHA1	Message	Date
Chris Beams	ed0576c181	Support executor qualification with @Async#value Prior to this change, Spring's @Async annotation support was tied to a single AsyncTaskExecutor bean, meaning that all methods marked with @Async were forced to use the same executor. This is an undesirable limitation, given that certain methods may have different priorities, etc. This leads to the need to (optionally) qualify which executor should handle each method. This is similar to the way that Spring's @Transactional annotation was originally tied to a single PlatformTransactionManager, but in Spring 3.0 was enhanced to allow for a qualifier via the #value attribute, e.g. @Transactional("ptm1") public void m() { ... } where "ptm1" is either the name of a PlatformTransactionManager bean or a qualifier value associated with a PlatformTransactionManager bean, e.g. via the <qualifier> element in XML or the @Qualifier annotation. This commit introduces the same approach to @Async and its relationship to underlying executor beans. As always, the following syntax remains supported @Async public void m() { ... } indicating that calls to #m will be delegated to the "default" executor, i.e. the executor provided to <task:annotation-driven executor="..."/> or the executor specified when authoring a @Configuration class that implements AsyncConfigurer and its #getAsyncExecutor method. However, it now also possible to qualify which executor should be used on a method-by-method basis, e.g. @Async("e1") public void m() { ... } indicating that calls to #m will be delegated to the executor bean named or otherwise qualified as "e1". Unlike the default executor which is specified up front at configuration time as described above, the "e1" executor bean is looked up within the container on the first execution of #m and then cached in association with that method for the lifetime of the container. Class-level use of Async#value behaves as expected, indicating that all methods within the annotated class should be executed with the named executor. In the case of both method- and class-level annotations, any method-level #value overrides any class level #value. This commit introduces the following major changes: - Add @Async#value attribute for executor qualification - Introduce AsyncExecutionAspectSupport as a common base class for both MethodInterceptor- and AspectJ-based async aspects. This base class provides common structure for specifying the default executor (#setExecutor) as well as logic for determining (and caching) which executor should execute a given method (#determineAsyncExecutor) and an abstract method to allow subclasses to provide specific strategies for executor qualification (#getExecutorQualifier). - Introduce AnnotationAsyncExecutionInterceptor as a specialization of the existing AsyncExecutionInterceptor to allow for introspection of the @Async annotation and its #value attribute for a given method. Note that this new subclass was necessary for packaging reasons - the original AsyncExecutionInterceptor lives in org.springframework.aop and therefore does not have visibility to the @Async annotation in org.springframework.scheduling.annotation. This new subclass replaces usage of AsyncExecutionInterceptor throughout the framework, though the latter remains usable and undeprecated for compatibility with any existing third-party extensions. - Add documentation to spring-task-3.2.xsd and reference manual explaining @Async executor qualification - Add tests covering all new functionality Note that the public API of all affected components remains backward- compatible. Issue: SPR-6847	14 years ago
Chris Beams	3fb11870d9	Polish async method execution infrastructure In anticipation of substantive changes required to implement @Async executor qualification, the following updates have been made to the components and infrastructure supporting @Async functionality: - Fix trailing whitespace and indentation errors - Fix generics warnings - Add Javadoc where missing, update to use {@code} tags, etc. - Avoid NPE in AopUtils#canApply - Organize imports to follow conventions - Remove System.out.println statements from tests - Correct various punctuation and grammar problems	14 years ago
Philippe Marschall	13239a0c3d	Fix compiler warnings This patch fixes several compiler warnings that do not point to code problems. Two kinds of warnings are fixed. First in a lot of cases @SuppressWarnings("unchecked") is used although there are no unchecked casts happening. This seems to be a leftover from when the code base was on Java 1.4, now that the code base was moved to Java 1.5 these are no longer necessary. Secondly there some places where the raw types of List and Class are used where there wildcard types (List<?> and Class<?>) would work just as well without causing any raw type warnings. These changes are beneficial particularly when working in Eclipse or other IDEs because it reduces 'noise', helping to isolate actual potential problems in the code. The following changes have been made: - remove @SuppressWarnings where no longer needed - use wildcard types instead of raw types where possible	14 years ago
Stevo Slavic	0690b58878	Predict specific object type in EhCacheFactoryBean Prior to this change, before a bean is created by EhCacheFactoryBean, its #getObjectType would return only an Ehcache interface. This caused unwanted wiring issues as described in the related JIRA issue. This fix makes use of EhCacheFactoryBean's configuration to determine the specific Ehcache object type even before it's created, such that the container is provided with as much information as possible when resolving dependencies. Nevertheless, users are advised to code to the Ehcache interface. Issue: SPR-7843	14 years ago
Chris Beams	02a4473c62	Rename modules {org.springframework.=>spring-} This renaming more intuitively expresses the relationship between subprojects and the JAR artifacts they produce. Tracking history across these renames is possible, but it requires use of the --follow flag to `git log`, for example $ git log spring-aop/src/main/java/org/springframework/aop/Advisor.java will show history up until the renaming event, where $ git log --follow spring-aop/src/main/java/org/springframework/aop/Advisor.java will show history for all changes to the file, before and after the renaming. See http://chrisbeams.com/git-diff-across-renamed-directories	14 years ago

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