diff options
Diffstat (limited to 'src/uk/ac/ox/cs/pagoda/reasoner/light/KarmaQuery.java')
| -rw-r--r-- | src/uk/ac/ox/cs/pagoda/reasoner/light/KarmaQuery.java | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/uk/ac/ox/cs/pagoda/reasoner/light/KarmaQuery.java b/src/uk/ac/ox/cs/pagoda/reasoner/light/KarmaQuery.java deleted file mode 100644 index 03d2b67..0000000 --- a/src/uk/ac/ox/cs/pagoda/reasoner/light/KarmaQuery.java +++ /dev/null | |||
| @@ -1,95 +0,0 @@ | |||
| 1 | package uk.ac.ox.cs.pagoda.reasoner.light; | ||
| 2 | |||
| 3 | import java.io.FileNotFoundException; | ||
| 4 | import java.io.IOException; | ||
| 5 | import java.util.LinkedList; | ||
| 6 | import java.util.Map.Entry; | ||
| 7 | |||
| 8 | import org.semanticweb.HermiT.model.DLClause; | ||
| 9 | import org.semanticweb.karma2.exception.IllegalInputQueryException; | ||
| 10 | import org.semanticweb.karma2.model.ConjunctiveQuery; | ||
| 11 | import org.semanticweb.karma2.model.cqparser.ConjunctiveQueryParser; | ||
| 12 | import uk.ac.ox.cs.pagoda.MyPrefixes; | ||
| 13 | import uk.ac.ox.cs.pagoda.hermit.DLClauseHelper; | ||
| 14 | import uk.ac.ox.cs.pagoda.hermit.RuleHelper; | ||
| 15 | import uk.ac.ox.cs.pagoda.util.Utility; | ||
| 16 | |||
| 17 | public class KarmaQuery { | ||
| 18 | |||
| 19 | StringBuffer queryBuffer; | ||
| 20 | |||
| 21 | public KarmaQuery(String queryText) { | ||
| 22 | LinkedList<String> answerVariables = new LinkedList<String>(); | ||
| 23 | DLClause clause = DLClauseHelper.getQuery(queryText, answerVariables); | ||
| 24 | String clauseText = RuleHelper.getText(clause); | ||
| 25 | // clauseText = RuleHelper.abbreviateIRI(clauseText).replace(":-", "<-"); | ||
| 26 | clauseText = clauseText.replace(":-", "<-"); | ||
| 27 | queryBuffer = new StringBuffer(); | ||
| 28 | |||
| 29 | clauseText = expandIRI4Arguments(clauseText); | ||
| 30 | |||
| 31 | for (Entry<String, String> entry : MyPrefixes.PAGOdAPrefixes.getPrefixIRIsByPrefixName().entrySet()) | ||
| 32 | if (clauseText.contains(entry.getKey())) { | ||
| 33 | if (queryBuffer.length() > 0) queryBuffer.append(',').append(Utility.LINE_SEPARATOR); | ||
| 34 | queryBuffer.append("prefix ").append(entry.getKey()).append(" <").append(entry.getValue()).append(">"); | ||
| 35 | } | ||
| 36 | if (queryBuffer.length() > 0) queryBuffer.append(Utility.LINE_SEPARATOR); | ||
| 37 | |||
| 38 | queryBuffer.append("p("); | ||
| 39 | boolean first = true; | ||
| 40 | for (String var: answerVariables) { | ||
| 41 | if (first) first = false; | ||
| 42 | else queryBuffer.append(","); | ||
| 43 | |||
| 44 | queryBuffer.append("?").append(var); | ||
| 45 | } | ||
| 46 | queryBuffer.append(")").append(clauseText.substring(0, clauseText.length() - 1)); | ||
| 47 | } | ||
| 48 | |||
| 49 | private String expandIRI4Arguments(String clauseText) { | ||
| 50 | int leftIndex = clauseText.indexOf('('), rightIndex = clauseText.indexOf(')', leftIndex + 1); | ||
| 51 | String argsText, newArgsText; | ||
| 52 | while (leftIndex != -1) { | ||
| 53 | argsText = clauseText.substring(leftIndex + 1, rightIndex); | ||
| 54 | newArgsText = MyPrefixes.PAGOdAPrefixes.expandText(argsText); | ||
| 55 | clauseText = clauseText.replace(argsText, newArgsText); | ||
| 56 | |||
| 57 | rightIndex += newArgsText.length() - argsText.length(); | ||
| 58 | leftIndex = clauseText.indexOf('(', rightIndex + 1); | ||
| 59 | rightIndex = clauseText.indexOf(')', leftIndex + 1); | ||
| 60 | } | ||
| 61 | |||
| 62 | return clauseText; | ||
| 63 | } | ||
| 64 | |||
| 65 | public ConjunctiveQuery getConjunctiveQuery() { | ||
| 66 | ConjunctiveQuery cq = null; | ||
| 67 | try { | ||
| 68 | cq = new ConjunctiveQueryParser(toString()).parse(); | ||
| 69 | } catch (FileNotFoundException e) { | ||
| 70 | // TODO Auto-generated catch block | ||
| 71 | e.printStackTrace(); | ||
| 72 | } catch (IllegalInputQueryException e) { | ||
| 73 | // TODO Auto-generated catch block | ||
| 74 | e.printStackTrace(); | ||
| 75 | } catch (IOException e) { | ||
| 76 | // TODO Auto-generated catch block | ||
| 77 | e.printStackTrace(); | ||
| 78 | } catch (Exception e) { | ||
| 79 | Utility.logDebug("The query cannot be properly handled by KARMA."); | ||
| 80 | return null; | ||
| 81 | } | ||
| 82 | return cq; | ||
| 83 | } | ||
| 84 | |||
| 85 | @Override | ||
| 86 | public String toString() { | ||
| 87 | return queryBuffer.toString(); | ||
| 88 | } | ||
| 89 | |||
| 90 | static String sample = "prefix P0: <http://swat.cse.lehigh.edu/onto/univ-bench.owl#>, " + | ||
| 91 | "prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>, " + | ||
| 92 | "prefix owl: <http://www.w3.org/2002/07/owl#>" + | ||
| 93 | "q(?0) <- owl:Thing(?0), P0:Person(?0)"; | ||
| 94 | |||
| 95 | } | ||
