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https://issues.apache.org/jira/browse/MATH-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13003220#comment-13003220
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Gilles commented on MATH-542:
-----------------------------
So, IIUC, there would be two kinds of storage:
* one for localizable messages
* one for any kind of values represented by a (key, value) pair where the value
can have any type (thus "Object")
And only the first kind will contribute to the compound message.
Is that so?
I would then add those methods:
{code}
public void setContext(String key, Object value);
public Object getContext(String key);
public Set<String> getContextKeys();
{code}
[Don't you think that a key of type "Object" is unnecessarily general? I also
wonder how upper layers will even make sense of a given key if they don't know
what type it is.]
> Allow the addition of multiple messages to the exceptions generated by CM
> -------------------------------------------------------------------------
>
> Key: MATH-542
> URL: https://issues.apache.org/jira/browse/MATH-542
> Project: Commons Math
> Issue Type: New Feature
> Reporter: Gilles
> Assignee: Gilles
> Priority: Minor
> Labels: api-change
> Fix For: 3.0
>
>
> Borrowing on the idea of "ExceptionContext" implemented in [Lang],
> "MathRuntimeException" (base class of all exceptions generated from CM) will
> be enhanced so that an unlimited number of (localized) messages can be added
> to an exception object.
> The "MathThrowable" interface (implemented by "MathRuntimeException") will
> contain the following new method:
> {code}
> /**
> * Sets a message.
> *
> * @param pattern Message pattern.
> * @param arguments Values for replacing the placeholders in the message
> * pattern.
> */
> public void addMessage(Localizable pattern,
> Object ... arguments);
> {code}
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