[rules-users] creating .pkg from .drl

[jrob]

After further testing, here's what I am seeing.

GOAL: Serialize a KnowledgePackage object (or Collection of them) to a File,
read that file in as a PKG to create a KnowledgeBase

I have not gotten basic Java Serialization to work. I get the exception from
the previous post every time I try to create the KnowledgeAgent/Builder
using the PKG file.

When using the DroolsStreamUtils class to do the serialization, the only way
I get it to work is when I serialize a SINGLE KnowledgePackage (Collection
doesn't work, this also limits to using a single resource, so building a PKG
manually to represent a DSL + DSLR won't work) and use a KnowledgeAgent
(with a changeset.xml that references the single PKG file). When I try to
use Collections of KnowledgePackages (with KnowledgeBuilder or
KnowledgeAgent), I get a classcastexception only this time it recognizes it
as an ArrayList. When I try to use the single package with a
KnowledgeBuilder, I get a classcastexception to KnowledgePackageImp.

After seeing in the code for Package.readExternal() (which is executed as
soon as the resource trying to be added is of type 'PKG' is:

this.dialectRuntimeRegistry = (DialectRuntimeRegistry) in.readObject()

I am assuming it is not possible to truly create your own PKG resources
unless you want to create a PKG per resource, is this correct?
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