Github user afs commented on a diff in the pull request:
https://github.com/apache/jena/pull/237#discussion_r116365929
--- Diff: jena-arq/src/main/java/org/apache/jena/sparql/expr/NodeValue.java
---
@@ -978,7 +967,6 @@ 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 sort key: "+this)) ; return null ; }
--- End diff --
This would be the "value" of a NodeValueSortKey ... which is itself so
NodeValueSortKey then the casts aren't needed in the comparision.
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