Provide a way to override Tuscany "system" definition.xml documents
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Key: TUSCANY-3998
URL: https://issues.apache.org/jira/browse/TUSCANY-3998
Project: Tuscany
Issue Type: Improvement
Affects Versions: Java-SCA-2.0
Reporter: Greg Dritschler
Priority: Minor
A Tuscany embedder may need to change certain system definitions, e.g. a
bindingType or an implementationType.
System definitions are found using the ServiceDiscovery mechanism.
DefaultDefinitionsExtensionPoint looks for jars/bundles that have a
META-INF/services/org.apache.tuscany.sca.definitions.xml.Definitions file.
definitionsDeclarations =
registry.getServiceDiscovery().getServiceDeclarations(DEFINITIONS_FILE);
This collects all definitions documents in the runtime. There is no way to
override one definitions document with another.
I am attaching a patch to address this. It changes the
getServiceDeclarations() call to get declarations in ranked order. When
processing the returned declarations, it now processes only the first resource
with a given path.
The embedder's service declaration must use the same resource name as the
Tuscany definition it replaces and it must have a higher ranking attribute.
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