Re: [rules-users] ShadowProxy & PersistentSet
I think the method cloneObject 'ShadowProxyUtils' could be improve like
follow :
public static Object cloneObject(Object original) {
Object clone = null;
if ( original instanceof Cloneable ) {
try {
Method cloneMethod = original.getClass().getMethod( "clone",
new
Class[0] );
clone = cloneMethod.invoke( original,
new Object[0] );
} catch ( Exception e ) {
/* Failed to clone. Don't worry about it, and just return
* the original object. */
clone = null;
}
}
if ( clone == null ) {
try {
if ( original instanceof Map &&
original != Collections.EMPTY_MAP &&
!UNMODIFIABLE_MAP.isAssignableFrom( original.getClass()
) ) {
/* empty and unmodifiable maps can't (and don't need to)
be shadowed */
clone = original.getClass().newInstance();
((Map) clone).putAll( (Map) original );
} else if ( original instanceof Collection &&
original != Collections.EMPTY_LIST &&
original != Collections.EMPTY_SET &&
!UNMODIFIABLE_COLLECTION.isAssignableFrom(
original.getClass() ) ) {
/* empty and unmodifiable collections can't (and don't
need to) be shadowed */
clone = original.getClass().newInstance();
((Collection) clone).addAll( (Collection) original );
} else if ( original.getClass().isArray() ) {
clone = cloneArray( original );
}
} catch ( Exception e ) {
/* Failed to clone. Don't worry about it, and just return
* the original object. */
clone = null;
}
}
if ( clone == null ) {
clone = original;
}
return clone;
}
In this way my PersistentSet will be not clone and I will be able to
continue to use shadow fact
What do you think about ?
V.
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