/// <exception cref="Org.Apache.Hadoop.HA.BadFencingConfigurationException"/>
private static NodeFencer.FenceMethodWithArg CreateFenceMethod(Configuration conf
, string clazzName, string arg)
{
Type clazz;
try
{
// See if it's a short name for one of the built-in methods
clazz = StandardMethods[clazzName];
if (clazz == null)
{
// Try to instantiate the user's custom method
clazz = Runtime.GetType(clazzName);
}
}
catch (Exception e)
{
throw new BadFencingConfigurationException("Could not find configured fencing method "
+ clazzName, e);
}
// Check that it implements the right interface
if (!typeof(FenceMethod).IsAssignableFrom(clazz))
{
throw new BadFencingConfigurationException("Class " + clazzName + " does not implement FenceMethod"
);
}
FenceMethod method = (FenceMethod)ReflectionUtils.NewInstance(clazz, conf);
method.CheckArgs(arg);
return(new NodeFencer.FenceMethodWithArg(method, arg));
}
private FenceMethodWithArg(FenceMethod method, string arg)
{
this.method = method;
this.arg = arg;
}
