java类javax.management.NotificationBroadcaster的实例源码-面圈网

DefaultMBeanServerInterceptor.java 文件源码项目：OpenJSharp 阅读 22 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：OpenJSharp 阅读 26 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

DefaultMBeanServerInterceptor.java 文件源码项目：jdk8u-jdk 阅读 28 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：jdk8u-jdk 阅读 37 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

DefaultMBeanServerInterceptor.java 文件源码项目：openjdk-jdk10 阅读 33 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：openjdk-jdk10 阅读 41 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

DefaultMBeanServerInterceptor.java 文件源码项目：openjdk9 阅读 20 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：openjdk9 阅读 31 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：openjdk9 阅读 24 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

DefaultMBeanServerInterceptor.java 文件源码项目：jdk8u_jdk 阅读 23 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：jdk8u_jdk 阅读 51 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：jdk8u_jdk 阅读 26 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

DefaultMBeanServerInterceptor.java 文件源码项目：lookaside_java-1.8.0-openjdk 阅读 25 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：lookaside_java-1.8.0-openjdk 阅读 25 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：lookaside_java-1.8.0-openjdk 阅读 25 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

MemoryTileCache.java 文件源码项目：mobac 阅读 21 收藏 0 点赞 0 评论 0

public MemoryTileCache() {
    log = Logger.getLogger(this.getClass());
    hashtable = new Hashtable<String, CacheEntry>(cacheSize);
    lruTiles = new CacheLinkedListElement();

    cacheSize = 500;
    MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
    NotificationBroadcaster emitter = (NotificationBroadcaster) mbean;
    emitter.addNotificationListener(this, null, null);
    // Set-up each memory pool to notify if the free memory falls below 10%
    for (MemoryPoolMXBean memPool : ManagementFactory.getMemoryPoolMXBeans()) {
        if (memPool.isUsageThresholdSupported()) {
            MemoryUsage memUsage = memPool.getUsage();
            memPool.setUsageThreshold((long) (memUsage.getMax() * 0.95));
        }
    }
}

DefaultMBeanServerInterceptor.java 文件源码项目：infobip-open-jdk-8 阅读 24 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：infobip-open-jdk-8 阅读 23 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：infobip-open-jdk-8 阅读 30 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

DefaultMBeanServerInterceptor.java 文件源码项目：jdk8u-dev-jdk 阅读 23 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：jdk8u-dev-jdk 阅读 29 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：jdk8u-dev-jdk 阅读 24 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

DefaultMBeanServerInterceptor.java 文件源码项目：jdk7-jdk 阅读 23 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：jdk7-jdk 阅读 26 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：jdk7-jdk 阅读 29 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

DefaultMBeanServerInterceptor.java 文件源码项目：openjdk-source-code-learn 阅读 28 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：openjdk-source-code-learn 阅读 26 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}

MBeanIntrospector.java 文件源码项目：openjdk-source-code-learn 阅读 24 收藏 0 点赞 0 评论 0

static MBeanNotificationInfo[] findNotifications(Object moi) {
    if (!(moi instanceof NotificationBroadcaster))
        return null;
    MBeanNotificationInfo[] mbn =
            ((NotificationBroadcaster) moi).getNotificationInfo();
    if (mbn == null)
        return null;
    MBeanNotificationInfo[] result =
            new MBeanNotificationInfo[mbn.length];
    for (int i = 0; i < mbn.length; i++) {
        MBeanNotificationInfo ni = mbn[i];
        if (ni.getClass() != MBeanNotificationInfo.class)
            ni = (MBeanNotificationInfo) ni.clone();
        result[i] = ni;
    }
    return result;
}

DefaultMBeanServerInterceptor.java 文件源码项目：OLD-OpenJDK8 阅读 25 收藏 0 点赞 0 评论 0

private static <T extends NotificationBroadcaster>
        T getNotificationBroadcaster(ObjectName name, Object instance,
                                     Class<T> reqClass) {
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    if (instance instanceof DynamicMBean2)
        instance = ((DynamicMBean2) instance).getResource();
    if (reqClass.isInstance(instance))
        return reqClass.cast(instance);
    final RuntimeException exc =
        new IllegalArgumentException(name.getCanonicalName());
    final String msg =
        "MBean " + name.getCanonicalName() + " does not " +
        "implement " + reqClass.getName();
    throw new RuntimeOperationsException(exc, msg);
}

StandardMBeanIntrospector.java 文件源码项目：OLD-OpenJDK8 阅读 23 收藏 0 点赞 0 评论 0

static boolean isDefinitelyImmutableInfo(Class<?> implClass) {
    if (!NotificationBroadcaster.class.isAssignableFrom(implClass))
        return true;
    synchronized (definitelyImmutable) {
        Boolean immutable = definitelyImmutable.get(implClass);
        if (immutable == null) {
            final Class<NotificationBroadcasterSupport> nbs =
                    NotificationBroadcasterSupport.class;
            if (nbs.isAssignableFrom(implClass)) {
                try {
                    Method m = implClass.getMethod("getNotificationInfo");
                    immutable = (m.getDeclaringClass() == nbs);
                } catch (Exception e) {
                    // Too bad, we'll say no for now.
                    return false;
                }
            } else
                immutable = false;
            definitelyImmutable.put(implClass, immutable);
        }
        return immutable;
    }
}