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7185456: (ann) Optimize Annotation handling in java/sun.reflect.* code for small number of annotations

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Reviewed-by: mduigou, jfranck
This commit is contained in:
Joe Darcy 2013-03-27 09:38:53 -07:00
parent 2ffe97f06e
commit 3987724a24
1 changed files with 7 additions and 7 deletions
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14
jdk/src/share/classes/sun/reflect/annotation/AnnotationType.java
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@ -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. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -45,19 +45,18 @@ public class AnnotationType {
* types. This matches the return value that must be used for a * types. This matches the return value that must be used for a
* dynamic proxy, allowing for a simple isInstance test. * 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. * Member name -> default value mapping.
*/ */
private final Map<String, Object> memberDefaults = private final Map<String, Object> memberDefaults;
new HashMap<String, Object>();
/** /**
* Member name -> Method object mapping. This (and its assoicated * Member name -> Method object mapping. This (and its assoicated
* accessor) are used only to generate AnnotationTypeMismatchExceptions. * 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. * The retention policy for this annotation type.
@ -105,6 +104,9 @@ public class AnnotationType {
} }
}); });
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) { for (Method method : methods) {
if (method.getParameterTypes().length != 0) if (method.getParameterTypes().length != 0)
@ -117,8 +119,6 @@ public class AnnotationType {
Object defaultValue = method.getDefaultValue(); Object defaultValue = method.getDefaultValue();
if (defaultValue != null) if (defaultValue != null)
memberDefaults.put(name, defaultValue); memberDefaults.put(name, defaultValue);
members.put(name, method);
} }
sun.misc.SharedSecrets.getJavaLangAccess(). sun.misc.SharedSecrets.getJavaLangAccess().