Burn Lewis created UIMA-5274:
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Summary: Support descriptor customization by allowing external
setting variables in some fields
Key: UIMA-5274
URL: https://issues.apache.org/jira/browse/UIMA-5274
Project: UIMA
Issue Type: Improvement
Components: Core Java Framework
Reporter: Burn Lewis
Assignee: Burn Lewis
Priority: Minor
Fix For: 3.0.0SDK-alpha, 2.10.0SDK
Currently the <envVarRef> element supports customization via system properties
in 4 ways (see below). UIMA could also support the ${variable-name} syntax in
these text fields. In addition it could also be supported in the value for the
name and location attributes of the import element so that an aggregate's
delegates could be controlled via external settings. This might also be done
by changing the primitive descriptor as in 2 & 3 below, but in some cases a
completely different delegate descriptor is preferable.
>From the References document:
The syntax for environment variable references is
<envVarRef>[VariableName]</envVarRef> , where [VariableName] is any valid Java
system property name. Environment variable references are valid in the
following places:
1) The value of a configuration parameter (String-valued parameters only)
2) The <annotatorImplementationName> element of a primitive AE descriptor
3) The <name> element within <analysisEngineMetaData>
4) Within a <fileResourceSpecifier> or <fileLanguageResourceSpecifier>
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