Sumit Mohanty created SLIDER-402:
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             Summary: 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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