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AccessorLValue reliably downcasts to CompilablePropertyAccessor in concurrent scenarios 

Issue: SPR-14850
This commit is contained in:
Juergen Hoeller 2016-10-28 15:15:38 +02:00
parent b7d3a969a4
commit e2b1dcbaca
1 changed files with 6 additions and 4 deletions
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10
spring-expression/src/main/java/org/springframework/expression/spel/ast/PropertyOrFieldReference.java
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@ -354,10 +354,12 @@ 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;
}