Re: [TM4J-users] TologParser Exception - unexpected token

[Richard G. <ric...@ya...>]

To answer my own question, I simply had to delete the braces "}" from my query and rule and it
solved that problem. I also had to use replacement values, rather than having topic names, such as
\"11.06.01 rRNA modification\", in my query, as the escaped double quote gave me the same error.
This particular query runs fine now, and I now what to do in the future. What seemed strange, and
had me really confused, was that it was only the closing brace "}", rather than the opening brace
earlier in the rule which was giving me the exception. I still don't know why that was.

Cheers,

Richard.

 --- Richard Gregory <ric...@ya...> wrote: 
> Hi,
> 
> I have the following code which adds a tolog rule and then executes a query using that rule,
> based
> on example 8.2 of the tm4j development guide. 
> 
> queryEval.addRule(
> 	"func-loc($PROTEIN, $LOCATION, $FUNCTION) :- { " +
> 	"at-located-in($LOCATION : tt-loc, $PROTEIN : tt-protein), " +
> 	"at-has-function($FUNCTION : tt-function, $PROTEIN : tt-protein) }.");
> 
> 			
> TologResultsSet results = queryEval.execute(
> 	"select $PROTEIN, $FUNCTION, $LOCATION from { " +
> 	"topic-name($FUNCTION, $FUNCTION_NAME), " +
> 	"value($FUNCTION_NAME, \"11.06.01 rRNA modification\"), " +
> 	"topic-name($LOCATION, $LOCATION_NAME), " +
> 	"value($LOCATION_NAME, \"70.10.07 nucleolus\"), " +
> 	"func-loc($PROTEIN, $LOCATION, $FUNCTION) } " +
> 	"order by $PROTEIN?  ");
> 
> However, when I run the code I get a TologParserException message, suggesting that it doesn't
> like
> the closing '}' in my rule. 
> 
> Exception caught: org.tm4j.tologx.TologParserException: Parser error in rule string.
> org.tm4j.tologx.TologParserException: Parser error in rule string.
>         at org.tm4j.tologx.memory.QueryEvaluatorImpl.addRule(QueryEvaluatorImpl.java:136)
>         at mips.genre.topicmaps.TologTests.main(TologTests.java:71)
> Caused by: line 1:169: unexpected token: }
>         at org.tm4j.tologx.parser.TologParser.orclause(TologParser.java:828)
>         at org.tm4j.tologx.parser.TologParser.clause(TologParser.java:729)
>         at org.tm4j.tologx.parser.TologParser.clauselist(TologParser.java:437)
>         at org.tm4j.tologx.parser.TologParser.rule(TologParser.java:314)
>         at org.tm4j.tologx.memory.QueryEvaluatorImpl.addRule(QueryEvaluatorImpl.java:132)
> 
> I also tried using the addRulesModule() method, but I get the same exception generated by the
> same
> part of the rule.
> 
> I anyone can tell me where I'm going wrong here (as I'm sure it's something I'm doing wrong),
> I'd
> be grateful.
> 
> Cheers,
> 
> Richard.
> 
> 
> 
> 	
> 	
> 		
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