GetPlatformManagementInterfaces.java

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/*
 * @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");
            }
        }
    }
}