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ComponentScan annotation allows for registering beans with lazy initialization

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Issue: SPR-10459
This commit is contained in:
Juergen Hoeller
2014-08-08 15:39:06 +02:00
parent ef51d4dbdb
commit f2e4ad2364
6 changed files with 57 additions and 29 deletions
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10
spring-context/src/main/java/org/springframework/context/annotation/ClassPathBeanDefinitionScanner.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 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.
@@ -163,6 +163,14 @@ public class ClassPathBeanDefinitionScanner extends ClassPathScanningCandidateCo
(beanDefinitionDefaults != null ? beanDefinitionDefaults : new BeanDefinitionDefaults());
}
/**
* Return the defaults to use for detected beans (never {@code null}).
* @since 4.1
*/
public BeanDefinitionDefaults getBeanDefinitionDefaults() {
return this.beanDefinitionDefaults;
}
/**
* Set the name-matching patterns for determining autowire candidates.
* @param autowireCandidatePatterns the patterns to match against

9
spring-context/src/main/java/org/springframework/context/annotation/ComponentScan.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 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.
@@ -132,6 +132,13 @@ public @interface ComponentScan {
*/
Filter[] excludeFilters() default {};
/**
* Specify whether scanned beans should be registered for lazy initialization.
* <p>Default is {@code false}; switch this to {@code true} when desired.
* @since 4.1
*/
boolean lazyInit() default false;
/**
* Declares the type filter to be used as an {@linkplain ComponentScan#includeFilters()

7
spring-context/src/main/java/org/springframework/context/annotation/ComponentScanAnnotationParser.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 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.
@@ -106,6 +106,11 @@ class ComponentScanAnnotationParser {
}
}
boolean lazyInit = componentScan.getBoolean("lazyInit");
if (lazyInit) {
scanner.getBeanDefinitionDefaults().setLazyInit(true);
}
List<String> basePackages = new ArrayList<String>();
for (String pkg : componentScan.getStringArray("value")) {
if (StringUtils.hasText(pkg)) {