[slf4j-dev] [JIRA] Updates for SLF4J-522: Add contains() Method to NDC

[QOS.CH (JIRA)]

SLF4J / SLF4J-522 [Open]
Add contains() Method to NDC

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 Issue created
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Michael Wooten created this issue on 09/Sep/21 5:30 AM
Summary:              Add contains() Method to NDC
Issue Type:           Improvement
Affects Versions:     2.0.0-alpha4
Assignee:             SLF4J developers list
Components:           slf4j-ext
Created:              09/Sep/21 5:30 AM
Labels:               logging nested
Priority:             Minor
Reporter:             Michael Wooten
Severity:             enhancement
Description:
  I have been working on a library of utilities related to using SLF4J in different environments, and one functionality that I cannot seem to replicate is the ability to test if a value is already in the Nested Diagnostic Context. The only exposed public methods of the org.slf4j.NDC class are push(String) and pop(). There is a size() method that is private.
  
   
  
  I would like to propose the inclusion of a "boolean contains(String)" method that would return whether the currently configured NDC already includes the provided value. I understand with the current approach this would involve iterating over the MDC similar to how size() does since the NDC is actually emulated with MDC keys.


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