Examples with SparqlQueryException uk.ac.ebi.spot.goci.sparql.exception.SparqlQueryException used on opensource projects

Example 6 with SparqlQueryException

use of uk.ac.ebi.spot.goci.sparql.exception.SparqlQueryException in project goci by EBISPOT.

the class SparqlTemplate method ask.

public boolean ask(String sparql) {
    sparql = getPrefixString().concat(sparql);
    if (askCache.containsKey(sparql)) {
        return askCache.get(sparql);
    }
    Graph g = getJenaQueryExecutionService().getDefaultGraph();
    Query q1 = QueryFactory.create(sparql, Syntax.syntaxARQ);
    QueryExecution execute = null;
    try {
        execute = getJenaQueryExecutionService().getQueryExecution(g, q1, false);
        boolean result = execute.execAsk();
        askCache.put(sparql, result);
        return result;
    } catch (LodeException e) {
        throw new SparqlQueryException("Failed to execute ask '" + sparql + "'", e);
    } finally {
        if (execute != null) {
            execute.close();
            if (g != null) {
                g.close();
            }
        }
    }
}