On Feb 14, 2007, at 7:59 AM, Ignacio Silva-Lepe wrote:
Hmm, my questions are simpler than I may have made them sound. From
your original post, you say that you want to eliminate outbound and
inbound wires and replace/merge them by/into a single wire attached
to the
source.
Before the merge we used to have, from the perspective of a
component C,
an inbound wire per service it exposed and an outbound wire per
reference
it used. Each inbound wire had a set of inbound chains (one per opera-
tion in the forward direction) and a number of callback outbound
chain sets
(one set per source component, and each group with one chain per
callback
operation). Similarly, each outbound wire had a set of outbound
chains and
a set of inbound chains.
If a single wire is going to merge it all, are both sets of inbound
chains
and
all sets of outbound chains going to be preserved? If not, what's
the new
structure that is going to be in place and how does it preserve the
pre-exis-
ting behavior?
Like I said, this may be common knowledge and I may just have
missed the
explanation, in which case would someone point me to it?
Sorry, maybe I didn't explain clearly enough in previous posts. Both
sets of chains will be preserved. Source components will contain the
wires to a target and targets will no longer have incoming wires. The
Allocator on the master will build up a WireDefinition which will be
marshalled to a slave. The WireDefinition will contain a set of
InterceptorDefinitions which InterceptorBuilders will use to
constitute a Wire. The WireDefinition will also contain source and
target URIs. Hence, the Wire will contain both forward and callback
invocation chains. This will mean the Connector can change to the
following:
public interface Connector {
void connect(WireDefinition wd) throws WiringException;
}
As the Connector has a reference to a ComponentManager, it will be be
able to look up source and target, dispatch to InterceptorBuilders
based on a QName, build forward and callback chains for the wire, and
attach the wire to the source. Meeraj has already checked in
WireDefinition as well as posted on the marshalling format, so it may
be worth checking that out.
Jim
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