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https://issues.apache.org/jira/browse/JENA-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133024#comment-16133024
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ASF GitHub Bot commented on JENA-1372:
--------------------------------------
Github user ajs6f commented on a diff in the pull request:
https://github.com/apache/jena/pull/273#discussion_r133971637
--- Diff:
jena-base/src/main/java/org/apache/jena/atlas/lib/cache/Cache0.java ---
@@ -39,7 +39,13 @@ public V getIfPresent(K key) {
@Override
public V getOrFill(K key, Callable<V> callable) {
- return null ;
+ try {
+ return callable.call() ;
+ }
+ catch (Exception e) {
+ e.printStackTrace();
--- End diff --
`printStackTrace()`? Isn't it better to use a logger?
> New functions in F&O 3.1
> ------------------------
>
> Key: JENA-1372
> URL: https://issues.apache.org/jira/browse/JENA-1372
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ
> Affects Versions: Jena 3.4.0
> Reporter: Andy Seaborne
> Priority: Minor
>
> F&O 3.1 adds some new functions : see
> https://www.w3.org/TR/xpath-functions-3/#substantive-changes.
> The ones of note are:
> * [fn:apply|https://www.w3.org/TR/xpath-functions-3/#func-apply] (dynamically
> applies a function to arguments supplied as an array) which is close to the
> extension {{CALL}}, so the code there could be extracted and morphed to be
> {{fn:apply}}.
> *
> [fn:collation-key|https://www.w3.org/TR/xpath-functions-3/#func-collation-key]
> (generates a key that can be used for collation-based matching). It is quite
> similar to role played by {{NodeValueSortKey}}.
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