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extended synchronization for methodResolverCache (SPR-7525)

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Juergen Hoeller
2010-09-06 20:41:50 +00:00
parent 479b4c1b84
commit e035477e6a
2 changed files with 17 additions and 15 deletions
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15
org.springframework.web.portlet/src/main/java/org/springframework/web/portlet/mvc/annotation/AnnotationMethodHandlerAdapter.java
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@@ -29,7 +29,6 @@ import java.util.LinkedHashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.ClientDataRequest;
@@ -152,7 +151,7 @@ public class AnnotationMethodHandlerAdapter extends PortletContentGenerator
private BeanExpressionContext expressionContext;
private final Map<Class<?>, PortletHandlerMethodResolver> methodResolverCache =
new ConcurrentHashMap<Class<?>, PortletHandlerMethodResolver>();
new HashMap<Class<?>, PortletHandlerMethodResolver>();
/**
@@ -393,12 +392,14 @@ public class AnnotationMethodHandlerAdapter extends PortletContentGenerator
*/
private PortletHandlerMethodResolver getMethodResolver(Object handler) {
Class handlerClass = ClassUtils.getUserClass(handler);
PortletHandlerMethodResolver resolver = this.methodResolverCache.get(handlerClass);
if (resolver == null) {
resolver = new PortletHandlerMethodResolver(handlerClass);
this.methodResolverCache.put(handlerClass, resolver);
synchronized (this.methodResolverCache) {
PortletHandlerMethodResolver resolver = this.methodResolverCache.get(handlerClass);
if (resolver == null) {
resolver = new PortletHandlerMethodResolver(handlerClass);
this.methodResolverCache.put(handlerClass, resolver);
}
return resolver;
}
return resolver;
}