Using non-parallel custom class loaders for Layer configurations

[Mandy Chung]

> On Sep 8, 2016, at 3:29 PM, David M. Lloyd <david.lloyd at redhat.com> wrote:
> 
> Would it be possible to include a method like this (pretty old patch I had laying around):
> 
> diff --git a/jdk/src/java.base/share/classes/java/lang/ClassLoader.java b/jdk/src/java.base/share/classes/java/lang/ClassLoader.java
> index 1bb1580..3def10e 100644
> --- a/jdk/src/java.base/share/classes/java/lang/ClassLoader.java
> +++ b/jdk/src/java.base/share/classes/java/lang/ClassLoader.java
> @@ -469,6 +477,15 @@ public abstract class ClassLoader {
>         return lock;
>     }
> 
> +    /**
> +     * Determine whether this class loader is parallel-capable.
> +     *
> +     * @return {@code true} if the class loader is parallel-capable, {@code false} otherwise
> +     */
> +    protected final boolean isParallelCapable() {
> +        return ParallelLoaders.isRegistered(getClass());
> +    }
> +

This seems a fine method to add.  I think it can be a public method (I don’t see any reason it has to be protected)

Mandy