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https://issues.apache.org/jira/browse/SLIDER-402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14124948#comment-14124948
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Steve Loughran commented on SLIDER-402:
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[the GGF/OGF CDL config language|http://www.ogf.org/documents/GFD.85.pdf]:
templates and x-refs using XML Attrs to manage the resolution.
> Add support for general purpose cross referencing of named properties
> ---------------------------------------------------------------------
>
> Key: SLIDER-402
> URL: https://issues.apache.org/jira/browse/SLIDER-402
> Project: Slider
> Issue Type: Bug
> Components: agent-provider, app-package
> Affects Versions: Slider 0.50
> Reporter: Sumit Mohanty
> Assignee: Sumit Mohanty
>
> We need to make sure that whatever syntax we have for cross referencing
> continues to work even as we look at adding more sources of configuration
> data.
> *examples*: sysprops, late binding information from the registry to link to
> other components.
> We may need to do something more typed, eg
> {attr:property}
> or even maybe {@property}, {@/global/property} to indicate attributes. And
> maybe even cross reference internal/resources
> size:"{@//resources/components/regions/yarn.component.instances}"
> Other references we could do with another syntax in the {}. Example
> {env:Path}, {sysprop:java.home}
> We'll need to allow for the { to be escaped somehow.
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