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Limit size of context cache in the TestContext framework

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Prior to this commit, the size of the ApplicationContext cache in the
Spring TestContext Framework could grow without bound, leading to
issues with memory and performance in large test suites.

This commit addresses this issue by introducing support for setting the
maximum cache size via a JVM system property or Spring property called
"spring.test.context.cache.maxSize". If no such property is set, a
default value of 32 will be used.

Furthermore, the DefaultContextCache has been refactored to use a
synchronized LRU cache internally instead of a ConcurrentHashMap. The
LRU cache is a simple bounded cache with a "least recently used" (LRU)
eviction policy.

Issue: SPR-8055
This commit is contained in:
Sam Brannen
2016-04-03 20:41:54 +02:00
parent 26378cd604
commit e18d5b591a
9 changed files with 452 additions and 19 deletions
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3
spring-core/src/main/java/org/springframework/core/SpringProperties.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2016 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.
@@ -42,6 +42,7 @@ import org.apache.commons.logging.LogFactory;
* @see org.springframework.core.env.AbstractEnvironment#IGNORE_GETENV_PROPERTY_NAME
* @see org.springframework.beans.CachedIntrospectionResults#IGNORE_BEANINFO_PROPERTY_NAME
* @see org.springframework.jdbc.core.StatementCreatorUtils#IGNORE_GETPARAMETERTYPE_PROPERTY_NAME
* @see org.springframework.test.context.cache.ContextCache#MAX_CONTEXT_CACHE_SIZE_PROPERTY_NAME
*/
public abstract class SpringProperties {