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add cache for ReflectUtils DUBBO-13 

git-svn-id: http://code.alibabatech.com/svn/dubbo/trunk@126 1a56cb94-b969-4eaa-88fa-be21384802f2
This commit is contained in:
tony.chenl 2011-10-28 09:52:49 +00:00
parent de82243ea5
commit 4ccfb4fada
1 changed files with 10 additions and 1 deletions
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11
dubbo-common/src/main/java/com/alibaba/dubbo/common/utils/ReflectUtils.java
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@ -23,6 +23,8 @@ import java.security.CodeSource;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -107,6 +109,8 @@ public final class ReflectUtils {
public static final Pattern SETTER_METHOD_DESC_PATTERN = Pattern.compile("set([A-Z][_a-zA-Z0-9]*)\\((" + DESC_REGEX + ")\\)V");
public static final Pattern IS_HAS_CAN_METHOD_DESC_PATTERN = Pattern.compile("(?:is|has|can)([A-Z][_a-zA-Z0-9]*)\\(\\)Z");
private static final ConcurrentMap<String, Class<?>[]> DESC_CLASSARRAY_CACHE = new ConcurrentHashMap<String, Class<?>[]>();
/**
* is compatible.
@ -668,7 +672,12 @@ public final class ReflectUtils {
*/
public static Class<?>[] desc2classArray(String desc) throws ClassNotFoundException
{
return desc2classArray(ClassHelper.getClassLoader(), desc);
Class<?>[] ret = DESC_CLASSARRAY_CACHE.get(desc);
if (ret == null){
ret = desc2classArray(ClassHelper.getClassLoader(), desc);
DESC_CLASSARRAY_CACHE.put(desc, ret);
}
return ret;
}
/**