diff options
Diffstat (limited to 'vespajlib/src/main/java/com/yahoo/collections/MethodCache.java')
-rw-r--r-- | vespajlib/src/main/java/com/yahoo/collections/MethodCache.java | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/collections/MethodCache.java b/vespajlib/src/main/java/com/yahoo/collections/MethodCache.java index ea8060e203b..4a4331b1c6e 100644 --- a/vespajlib/src/main/java/com/yahoo/collections/MethodCache.java +++ b/vespajlib/src/main/java/com/yahoo/collections/MethodCache.java @@ -3,10 +3,13 @@ package com.yahoo.collections; import com.yahoo.concurrent.CopyOnWriteHashMap; -import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; /** + * This will cache methods solved by reflection as reflection is expensive. + * Note that if the bundle from which the method is removed/changed you might have + * a problem... A ClassCastException might be one indication. Then clearing the cache and retrying it + * once to see if it goes away might be a solution. * @author baldersheim */ public final class MethodCache { @@ -18,7 +21,14 @@ public final class MethodCache { this.methodName = methodName; } - public final Method get(Object object) { + /* + Clear all cached methods. Might be a wise thing to do, if you have cached some methods + that have changed due to new bundles being reloaded. + */ + public void clear() { + cache.clear(); + } + public Method get(Object object) { Method m = cache.get(object.getClass().getName()); if (m == null) { m = lookupMethod(object); |