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7122740: PropertyDescriptor Performance Slow

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Reviewed-by: rupashka
This commit is contained in:
Sergey Malenkov 2012-01-16 18:28:56 +04:00
parent 30f7f59109
commit e20614ed03
1 changed files with 15 additions and 4 deletions
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19
jdk/src/share/classes/com/sun/beans/TypeResolver.java
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@ -154,7 +154,7 @@ public final class TypeResolver {
* @see #resolve(Type)
*/
public static Type resolve(Type actual, Type formal) {
return new TypeResolver(actual).resolve(formal);
return getTypeResolver(actual).resolve(formal);
}
/**
@ -169,7 +169,7 @@ public final class TypeResolver {
* @see #resolve(Type[])
*/
public static Type[] resolve(Type actual, Type[] formals) {
return new TypeResolver(actual).resolve(formals);
return getTypeResolver(actual).resolve(formals);
}
/**
@ -228,9 +228,20 @@ public final class TypeResolver {
return classes;
}
public static TypeResolver getTypeResolver(Type type) {
synchronized (CACHE) {
TypeResolver resolver = CACHE.get(type);
if (resolver == null) {
resolver = new TypeResolver(type);
CACHE.put(type, resolver);
}
return resolver;
}
}
private final Map<TypeVariable<?>, Type> map
= new HashMap<TypeVariable<?>, Type>();
private static final WeakCache<Type, TypeResolver> CACHE = new WeakCache<>();
private final Map<TypeVariable<?>, Type> map = new HashMap<>();
/**
* Constructs the type resolver for the given actual type.