changeset 5247:0e4f259f0a1f

7074616: java.lang.management.ManagementFactory.getPlatformManagementInterfaces fails Reviewed-by: dholmes, sla
author fparain
date Wed, 14 Mar 2012 09:03:08 -0700
parents b74bb76609c0
children cfe2328912b3 bdbc32b2f920
files src/share/classes/java/lang/management/ManagementFactory.java test/java/lang/management/ManagementFactory/GetPlatformManagementInterfaces.java
diffstat 2 files changed, 79 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/classes/java/lang/management/ManagementFactory.java	Wed Mar 14 08:28:25 2012 -0700
+++ b/src/share/classes/java/lang/management/ManagementFactory.java	Wed Mar 14 09:03:08 2012 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Set;
-import java.util.TreeSet;
+import java.util.HashSet;
 import java.security.AccessController;
 import java.security.Permission;
 import java.security.PrivilegedAction;
@@ -787,7 +787,7 @@
            getPlatformManagementInterfaces()
     {
         Set<Class<? extends PlatformManagedObject>> result =
-            new TreeSet<>();
+            new HashSet<>();
         for (PlatformComponent component: PlatformComponent.values()) {
             result.add(component.getMXBeanInterface());
         }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/lang/management/ManagementFactory/GetPlatformManagementInterfaces.java	Wed Mar 14 09:03:08 2012 -0700
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug     7074616
+ * @summary Basic unit test of the
+ *          ManagementFactory.getPlatformManagementInterfaces() method
+ * @author  Frederic Parain
+ *
+ * @run main GetPlatformManagementInterfaces
+ */
+
+import java.lang.management.*;
+import java.io.IOException;
+import java.util.*;
+import javax.management.*;
+
+import static java.lang.management.ManagementFactory.*;
+
+public class GetPlatformManagementInterfaces {
+
+    private static enum ManagementInterfaces {
+        CLASS_LOADING_MXBEAN(ClassLoadingMXBean.class),
+        COMPILATION_MXBEAN(CompilationMXBean.class),
+        MEMORY_MXBEAN(MemoryMXBean.class),
+        OPERATING_SYSTEM_MXBEAN(OperatingSystemMXBean.class),
+        RUNTIME_MXBEAN(RuntimeMXBean.class),
+        THREAD_MXBEAN(ThreadMXBean.class),
+        GARBAGE_COLLECTOR_MXBEAN(GarbageCollectorMXBean.class),
+        MEMORY_MANAGER_MXBEAN(MemoryManagerMXBean.class),
+        MEMORY_POOL_MXBEAN(MemoryPoolMXBean.class);
+
+        private final Class<? extends PlatformManagedObject> managementInterface;
+        private ManagementInterfaces(Class<? extends PlatformManagedObject> minterface) {
+            managementInterface = minterface;
+        }
+        public Class<? extends PlatformManagedObject> getManagementInterface() {
+            return managementInterface;
+        }
+    };
+
+    public static void main(String[] args) {
+        Set<Class<? extends PlatformManagedObject>> interfaces =
+            ManagementFactory.getPlatformManagementInterfaces();
+        for(Class<? extends PlatformManagedObject> pom : interfaces) {
+            List<? extends PlatformManagedObject> list =
+                ManagementFactory.getPlatformMXBeans(pom);
+        }
+        for(ManagementInterfaces mi : ManagementInterfaces.values()) {
+            if(!interfaces.contains(mi.getManagementInterface())) {
+                throw new RuntimeException(mi.getManagementInterface() + " not in ManagementInterfaces set");
+            }
+        }
+    }
+}