I have a rather involved, but hopefully not unique, serialization question.
I have a basic type that also has a more detailed subtype. So, to keep it
simple, say I have:
package client;
class Type implements Serializable {
String name;
}
And a subtype:
package server;
class Subtype extends Type {
File source;
}
Basically, while on the server I care about the details of the subtype but
when in the client I only care about the basic items. What I'd like to do
is create a service:
interface TypeService extends RemoteService {
public Type getType();
}
And in the implementation do something like this:
class TypeServiceImpl extends RemoteServiceServlet implements TypeService
{
public Type getType() {
return (Type) (new Subtype(file, name));
}
}
But when I try to do this I get an error thrown that looks like this:
com.google.gwt.user.client.rpc.SerializationException: Type
'server.Subtype' was not included in the set of types which can be
serialized by this SerializationPolicy or its Class object could not be
loaded. For security purposes, this type will not be serialized.: instance
= "Subtype".
How do I get it to serialize the (static) Type and not the (runtime)
Subtype?
Thanks!
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