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Polishing (selectively backported from recent 4.0 commits)

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This commit is contained in:
Juergen Hoeller
2013-11-04 16:22:46 +01:00
parent b00c31a620
commit a95eb1d044
5 changed files with 30 additions and 35 deletions
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14
spring-context/src/main/java/org/springframework/cache/Cache.java vendored
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2013 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.
@@ -39,11 +39,15 @@ public interface Cache {
Object getNativeCache();
/**
* Return the value to which this cache maps the specified key. Returns
* {@code null} if the cache contains no mapping for this key.
* @param key key whose associated value is to be returned.
* Return the value to which this cache maps the specified key.
* <p>Returns {@code null} if the cache contains no mapping for this key;
* otherwise, the cached value (which may be {@code null} itself) will
* be returned in a {@link ValueWrapper}.
* @param key the key whose associated value is to be returned
* @return the value to which this cache maps the specified key,
* or {@code null} if the cache contains no mapping for this key
* contained within a {@link ValueWrapper} which may also hold
* a cached {@code null} value. A straight {@code null} being
* returned means that the cache contains no mapping for this key.
*/
ValueWrapper get(Object key);