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Move cached expression evaluation abstraction

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Move MethodCacheKey and related classes to the expression package so that
other parts of the framework can benefit ot it.

CacheExpressionEvaluator is a base class that can be used to cache SpEL
expressions based on its annotation source (i.e. method). Sub-classing
that base class provides a simple to use API to retrieve Expression
instances efficiently.

Issue: SPR-12622
This commit is contained in:
Stephane Nicoll
2015-01-24 15:30:22 +01:00
parent cf86ecddb5
commit c7b324b89b
10 changed files with 265 additions and 104 deletions
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6
spring-context-support/src/main/java/org/springframework/cache/jcache/interceptor/AbstractFallbackJCacheOperationSource.java vendored
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2015 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.
@@ -24,7 +24,7 @@ import java.util.concurrent.ConcurrentHashMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.cache.interceptor.MethodCacheKey;
import org.springframework.context.expression.AnnotatedElementKey;
import org.springframework.core.BridgeMethodResolver;
import org.springframework.util.ClassUtils;
@@ -57,7 +57,7 @@ public abstract class AbstractFallbackJCacheOperationSource
@Override
public JCacheOperation<?> getCacheOperation(Method method, Class<?> targetClass) {
// First, see if we have a cached value.
Object cacheKey = new MethodCacheKey(method, targetClass);
Object cacheKey = new AnnotatedElementKey(method, targetClass);
Object cached = this.cache.get(cacheKey);
if (cached != null) {
if (cached == NULL_CACHING_ATTRIBUTE) {