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AccessorLValue reliably downcasts to CompilablePropertyAccessor in concurrent scenarios

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Issue: SPR-14850
(cherry picked from commit e2b1dcb)
This commit is contained in:
Juergen Hoeller
2016-10-28 15:15:38 +02:00
parent 05ff83f95a
commit 5697cb6c95
1 changed files with 7 additions and 5 deletions
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12
spring-expression/src/main/java/org/springframework/expression/spel/ast/PropertyOrFieldReference.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 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.
@@ -371,10 +371,12 @@ public class PropertyOrFieldReference extends SpelNodeImpl {
@Override
public TypedValue getValue() {
TypedValue value = this.ref.getValueInternal(this.contextObject, this.evalContext, this.autoGrowNullReferences);
if (this.ref.cachedReadAccessor instanceof CompilablePropertyAccessor) {
CompilablePropertyAccessor accessor = (CompilablePropertyAccessor) this.ref.cachedReadAccessor;
this.ref.exitTypeDescriptor = CodeFlow.toDescriptor(accessor.getPropertyType());
TypedValue value =
this.ref.getValueInternal(this.contextObject, this.evalContext, this.autoGrowNullReferences);
PropertyAccessor accessorToUse = this.ref.cachedReadAccessor;
if (accessorToUse instanceof CompilablePropertyAccessor) {
this.ref.exitTypeDescriptor =
CodeFlow.toDescriptor(((CompilablePropertyAccessor) accessorToUse).getPropertyType());
}
return value;
}