[jboss-jira] [JBoss JIRA] (JGRP-1828) Allow protocols to define inline XML config
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https://issues.jboss.org/browse/JGRP-1828?page=com.atlassian.jira.plugin....
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Bela Ban commented on JGRP-1828:
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OK, schema generation is done, too. We use {{@XmlInclude}} and {{@XmlElement}} to generate
the schema. See {{FORK}} and {{RELAY2}} for examples.
Allow protocols to define inline XML config
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Key: JGRP-1828
URL: https://issues.jboss.org/browse/JGRP-1828
Project: JGroups
Issue Type: Feature Request
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 3.5
Some protocols (e.g. RELAY2 or FORK) need additional configuration, which is usually
defined in a separate XML file, e.g.
{code:xml}
<FORK config="/home/bela/fork-stacks.xml"/>
{code}
File {{fork-stacks.xml}} is:
{code:xml}
<fork-stacks xmlns="fork-stacks">
<fork-stack id="counter">
<config>
<COUNTER bypass_bundling="true"/>
<COMPRESS/>
</config>
</fork-stack>
<fork-stack id="locking">
<config>
<CENTRAL_LOCK num_backups="2"/>
</config>
</fork-stack>
</fork-stacks>
{code}
It would be nice to be able to optionally define such additional configuration inline,
e.g.
{code:xml}
<FORK>
<fork-stacks xmlns="fork-stacks">
<fork-stack id="counter">
<config>
<COUNTER bypass_bundling="true"/>
<COMPRESS/>
</config>
</fork-stack>
<fork-stack id="locking">
<config>
<CENTRAL_LOCK num_backups="2"/>
</config>
</fork-stack>
</fork-stacks>
</FORK>
{code}
As the schema for config files is *generated*, we would have to able to tell the
generator ({{XMLSchemaGenerator}}) to include a schema fragment defined by any protocol.
A schema fragment could be defined via an annotation, e.g.
{{(a)IncludeSchema(schema="fork-stacks.xsd"}}.
Investigate whether this is feasible.
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