Github user kinow commented on a diff in the pull request:
https://github.com/apache/jena/pull/237#discussion_r114431718
--- Diff: jena-arq/src/main/java/org/apache/jena/sparql/expr/NodeValue.java
---
@@ -954,7 +971,8 @@ public boolean isDayTimeDuration()
public boolean getBoolean() { raise(new
ExprEvalTypeException("Not a boolean: "+this)) ; return false ; }
public String getString() { raise(new
ExprEvalTypeException("Not a string: "+this)) ; return null ; }
public String getLang() { raise(new
ExprEvalTypeException("Not a string: "+this)) ; return null ; }
-
+ public String getCollation() { raise(new
ExprEvalTypeException("Not a collation: "+this)) ; return null ; }
--- End diff --
Nice catch! I'm updating the code, experimenting with the idea of having a
`NodeValueSortKey` type instead. If that works well, will update the message to
"Not a sort key"...
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