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Juergen Hoeller
2018-07-26 16:00:38 +02:00
parent 1b78afe445
commit 42e550a178
2 changed files with 10 additions and 12 deletions
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11
spring-beans/src/main/java/org/springframework/beans/factory/config/AbstractFactoryBean.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2018 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.
@@ -33,6 +33,7 @@ import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.FactoryBeanNotInitializedException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.ReflectionUtils;
@@ -153,7 +154,7 @@ public abstract class AbstractFactoryBean<T>
}
/**
* Determine an 'eager singleton' instance, exposed in case of a
* Determine an 'early singleton' instance, exposed in case of a
* circular reference. Not called in a non-circular scenario.
*/
@SuppressWarnings("unchecked")
@@ -176,9 +177,7 @@ public abstract class AbstractFactoryBean<T>
* @throws IllegalStateException if the singleton instance is not initialized
*/
private T getSingletonInstance() throws IllegalStateException {
if (!this.initialized) {
throw new IllegalStateException("Singleton instance not initialized yet");
}
Assert.state(this.initialized, "Singleton instance not initialized yet");
return this.singletonInstance;
}
@@ -218,7 +217,7 @@ public abstract class AbstractFactoryBean<T>
* FactoryBean is supposed to implement, for use with an 'early singleton
* proxy' that will be exposed in case of a circular reference.
* <p>The default implementation returns this FactoryBean's object type,
* provided that it is an interface, or {@code null} else. The latter
* provided that it is an interface, or {@code null} otherwise. The latter
* indicates that early singleton access is not supported by this FactoryBean.
* This will lead to a FactoryBeanNotInitializedException getting thrown.
* @return the interfaces to use for 'early singletons',