9:32 p.m.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Fix For: 0.4
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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6:03 p.m.
New subject: [JBoss JIRA] Updated: (DNA-252) Complete support for events to the connector framework
[
https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
]
Randall Hauch updated DNA-252:
------------------------------
Fix Version/s: 0.5
(was: 0.4)
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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9:34 p.m.
New subject: [JBoss JIRA] Updated: (DNA-252) Complete support for events to the connector framework
[
https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
]
Randall Hauch updated DNA-252:
------------------------------
Priority: Blocker (was: Major)
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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9:52 p.m.
New subject: [JBoss JIRA] Work started: (DNA-252) Complete support for events to the connector framework
[
https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
]
Work on DNA-252 started by Randall Hauch.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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7:41 p.m.
New subject: [JBoss JIRA] Commented: (DNA-252) Complete support for events to the connector framework
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https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
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Randall Hauch commented on DNA-252:
-----------------------------------
Added initial version/proposal for events/observation in the JBoss DNA graph API into the
'org.jboss.dna.graph.observe' package. The framework consists of a ChangeObserver
abstract class (this is the "listener"); an Observable interface with which
observers can be registered and unregistered; a ChangeObservers class that provides a
default Observable implementation ready for use in other Observable implementations; a
ChangeFeed interface used to poll for changes during a specified timeline; a Changes
class containing the individual changes in an atomic operation and that is passed to the
observers.
This design reuses the Request classes as the events, allowing for more advanced
observation (leverage the additional information in change requests, such as in
UpdatePropertiesRequest) as well as replaying events.
This commit adds the framework (including several thread-safe implementation classes), but
does not make use of the framework in the connector API or graph API. Those changes will
be coming subsequently.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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10:15 p.m.
New subject: [JBoss JIRA] Commented: (DNA-252) Complete support for events to the connector framework
[
https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
]
Randall Hauch commented on DNA-252:
-----------------------------------
Removed the older RepositorySourceListener and all uses of it.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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7:57 p.m.
New subject: [JBoss JIRA] Commented: (DNA-252) Complete support for events to the connector framework
[
https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
]
Randall Hauch commented on DNA-252:
-----------------------------------
Removed the notion of the ChangeFeed and ChangeTimeline (can always be added back in
later), and made additional modifications in the design.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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7:08 p.m.
New subject: [JBoss JIRA] Commented: (DNA-252) Complete support for events to the connector framework
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]
Randall Hauch commented on DNA-252:
-----------------------------------
Added support in all of the connectors for publishing their change requests. This was
done by adding code to RequestProcessor that records the ChangeRequest objects and, upon
closing the processor, submits those as a change event to the RepositoryContext's
observer. Note that if there is no observer, the processor short-circuits its recording
of changes.
Since every connector (right now) subclasses RequestProcessor, the only thing each
connector implementation is responsible for doing (other than passing in the observer into
the RequestProcessor's constructor, or null if the connector is read-only) is to call
"recordChange(ChangeRequest)" at the end of each "process(...)"
method.
I had hoped there was a way of automatically doing this, but the RequestProcessor's
model of providing some default implementations of some "process(...)" methods
by delegating to other "process(...)" methods means that any process method that
called another process method would result in duplicate change requests being published.
But alas, it is simple thing in each process(...) method implementation.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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7:08 p.m.
New subject: [JBoss JIRA] Resolved: (DNA-252) Complete support for events to the connector framework
[
https://jira.jboss.org/jira/browse/DNA-252?page=com.atlassian.jira.plugin...
]
Randall Hauch resolved DNA-252.
-------------------------------
Resolution: Done
Marking as resolved, since we've added all the basics required for an initial event
system.
Complete support for events to the connector framework
------------------------------------------------------
Key: DNA-252
URL: https://jira.jboss.org/jira/browse/DNA-252
Project: DNA
Issue Type: Task
Components: Connectors
Affects Versions: 0.3
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.5
The connector's support for events is incomplete. There is the ability to add
listeners to connections, but there are no methods on the listeners and no definition of
what an event is. This needs to be compatible with the Requests and JCR's event
listeners.
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5458
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8 comments
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Randall Hauch (JIRA)