Replace Context with Map<String, ? extends Object>
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Key: CHAIN-63
URL: https://issues.apache.org/jira/browse/CHAIN-63
Project: Commons Chain
Issue Type: Improvement
Affects Versions: 2.0
Reporter: Ales Dolecek
Priority: Minor
Hello,
I always wandered why you *force* chain users to use the Context interface
which adds nothing over Map. I would understand that if the Context would not
inherit from map and only required
Object put(String, Object)
Object get(String)
But since Context itself IS Map then you gain nothing while disallowing use of
Map implementations. I know that sou suggest that Context shall implement
"Attribute-Property Transparency" but it is only recomendation and is not
forced by commons chains anyway.
And if you define execute like
Object execute(Map<String, ? extends Object> context)
it can still accept Context instances and all its subclasses.
The downside is that you would have to give up the retrieve method introduced
to Context. And BTW the Context imposes hard restriction see my other bug.
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