On Aug 24, 2006, at 11:08 AM, Yang ZHONG wrote:
It has been one full day since Ant proposed a go for registry and Jim
agreed. If no one oppose, I'm going to contribute a registry.
I think this would be great.
The registry will support
. different Symbol Spaces (type, top level element, message,
portType/interface, etc.)
. multiple scopings (ClassLoader, location, Eclipse IProject,
composite,
etc.)
. different scope delegations (no delegation, PARENT_FIRST,
PARENT_LAST)
. multi-dimension scopings (location vs. ClassLoader/IProject, etc)
and
registry aggregation (NameSpace aggregation)
. automatic locate on demand
. automatic load on demand
. automatic refresh on demand
. multi-threading
. weakly/softly referencing scopes (it's user's responsibility not
to strong
reference key from value directly or *indirectly*, it's recommended to
change such strong reference if any to weak/soft one if permanent
residency
isn't desired)
I will also contribute a scoping(SPI) implementation for
ClassLoader and
Eclipse IProject,
Could you explain how an IProject relates to this?
however we may need volunteer(s) to
contribute/integrate/register SCA (composite) scoping.
Could you also explain a bit more about what you see as SCA composite
scoping? I was thinking the system service would be "module" scoped
(i.e. singleton per composite it is already deployed as), or
associated on the CompositeComponent directly, in which case the
classloader lookup is probably not necessary (the option of using the
property extension mechanism).
I will contribute a refreshing checking(SPI) implementation based on
file/ZipEntry/URL timestamp, however we may need volunteers to
contribute/integrate/register locator(SPI) implementation and loader
(SPI)
implementation.
I'll ask for help from Ant to change the Axis2 binding and JavaScript
container to use the registry. Thank Ant for the offer.
I'll also ask Jim for help with the system service part. Thank Jim
for the
offer.
Np thanks for doing this.
I'll try to roll out API and SPI for review as soon as possible.
Thanks.
--
Yang ZHONG
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