Github user neykov commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/714#discussion_r119823922
--- Diff:
utils/common/src/main/java/org/apache/brooklyn/util/javalang/MethodAccessibleReflections.java
---
@@ -0,0 +1,173 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.brooklyn.util.javalang;
+
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.Set;
+
+import org.apache.brooklyn.util.guava.Maybe;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Sets;
+
+/**
+ * Use {@link Reflections} methods to access this. The methods are
declared here (to this
+ * package-private class) so we can avoid having an ever-growing single
Reflections class!
+ */
+class MethodAccessibleReflections {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(MethodAccessibleReflections.class);
+
+ /**
+ * Contains method.toString() representations for methods we have
logged about failing to
+ * set accessible (or to find an alternative accessible version). Use
this to ensure we
+ * log.warn just once per method, rather than risk flooding our log.
+ */
+ private static final Set<String> SET_ACCESSIBLE_FAILED_LOGGED_METHODS
= Sets.newConcurrentHashSet();
+
+ /**
+ * Contains method.toString() representations for methods we have
logged about having set
+ * accessible. Having to setAccessible is discouraged, so want a
single log.warn once per
+ * method.
+ */
+ private static final Set<String>
SET_ACCESSIBLE_SUCCEEDED_LOGGED_METHODS = Sets.newConcurrentHashSet();
+
+ /**
+ * Contains method.toString() representations for methods for which
{@link #findAccessibleMethod(Method)}
+ * failed to find a suitable publicly accessible method.
+ */
+ private static final Set<String> FIND_ACCESSIBLE_FAILED_LOGGED_METHODS
= Sets.newConcurrentHashSet();
+
+ static boolean trySetAccessible(Method method) {
--- End diff --
Should we merge this if it's not used?
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