changeset 16717:774a7c040e39

7185456: (ann) Optimize Annotation handling in java/sun.reflect.* code for small number of annotations Reviewed-by: mduigou, jfranck
author darcy
date Wed, 27 Mar 2013 09:38:53 -0700
parents 6d3f9ce0d776
children f53963145c0a
files jdk/src/share/classes/sun/reflect/annotation/AnnotationType.java
diffstat 1 files changed, 7 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/jdk/src/share/classes/sun/reflect/annotation/AnnotationType.java	Wed Mar 27 09:00:34 2013 -0700
+++ b/jdk/src/share/classes/sun/reflect/annotation/AnnotationType.java	Wed Mar 27 09:38:53 2013 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -45,19 +45,18 @@
      * types.  This matches the return value that must be used for a
      * dynamic proxy, allowing for a simple isInstance test.
      */
-    private final Map<String, Class<?>> memberTypes = new HashMap<String,Class<?>>();
+    private final Map<String, Class<?>> memberTypes;
 
     /**
      * Member name -> default value mapping.
      */
-    private final Map<String, Object> memberDefaults =
-        new HashMap<String, Object>();
+    private final Map<String, Object> memberDefaults;
 
     /**
      * Member name -> Method object mapping. This (and its assoicated
      * accessor) are used only to generate AnnotationTypeMismatchExceptions.
      */
-    private final Map<String, Method> members = new HashMap<String, Method>();
+    private final Map<String, Method> members;
 
     /**
      * The retention policy for this annotation type.
@@ -105,6 +104,9 @@
                 }
             });
 
+        memberTypes = new HashMap<String,Class<?>>(methods.length+1, 1.0f);
+        memberDefaults = new HashMap<String, Object>(0);
+        members = new HashMap<String, Method>(methods.length+1, 1.0f);
 
         for (Method method :  methods) {
             if (method.getParameterTypes().length != 0)
@@ -117,8 +119,6 @@
             Object defaultValue = method.getDefaultValue();
             if (defaultValue != null)
                 memberDefaults.put(name, defaultValue);
-
-            members.put(name, method);
         }
 
         sun.misc.SharedSecrets.getJavaLangAccess().