use of annis.exceptions.AnnisQLSemanticsException in project ANNIS by korpling.
the class JoinListener method enterBindingRelation.
@Override
public void enterBindingRelation(AqlParser.BindingRelationContext ctx) {
int numOfReferences = ctx.refOrNode().size();
relationIdx = 0;
relationChain.clear();
relationChain.ensureCapacity(numOfReferences);
for (int i = 0; i < numOfReferences; i++) {
QueryNode n = node(ctx.refOrNode(i));
if (n == null) {
throw new AnnisQLSemanticsException(AnnisParserAntlr.getLocation(ctx.getStart(), ctx.getStop()), "invalid reference to '" + ctx.refOrNode(i).getText() + "'");
}
relationChain.add(i, n);
}
}
use of annis.exceptions.AnnisQLSemanticsException in project ANNIS by korpling.
the class SemanticValidator method checkAlternative.
public void checkAlternative(QueryData data, List<QueryNode> alternative, int alternativeIndex, boolean queryWasNormalized) {
// check if there is at least one search expression
if (alternative.isEmpty()) {
throw new AnnisQLSemanticsException("Missing search expression.");
}
// there are not linguistic binary relations allowed if there is only one node
if (alternative.size() == 1) {
QueryNode n = alternative.get(0);
for (Join j : n.getOutgoingJoins()) {
if (j.getTarget() != null) {
throw new AnnisQLSemanticsException(j.getParseLocation(), "No binary linguistic relations allowed if there is only one node in query.");
}
}
}
// get all nodes connected to the first one
Multimap<Long, QueryNode> connected = calculateConnected(alternative);
Set<Long> transitiveHull = new HashSet<>();
transitiveHull.add(alternative.get(0).getId());
createTransitiveHull(alternative.get(0), connected, transitiveHull);
Multiset<String> variableNames = TreeMultiset.create();
Set<Long> unconnectedNodes = new HashSet<>();
for (QueryNode n : alternative) {
unconnectedNodes.add(n.getId());
variableNames.add(n.getVariable());
}
unconnectedNodes.removeAll(transitiveHull);
// check if each node is contained in the connected nodes
if (!unconnectedNodes.isEmpty()) {
List<AqlParseError> errors = new LinkedList<>();
for (QueryNode n : alternative) {
if (unconnectedNodes.contains(n.getId())) {
errors.add(new AqlParseError(n, "variable \"" + n.getVariable() + "\" not bound (use linguistic operators)"));
}
}
if (!errors.isEmpty()) {
if (queryWasNormalized) {
// add the normalized query as "error" so the user is able to see it
errors.add(new AqlParseError("Normalized query is: \n" + data.toAQL()));
}
throw new AnnisQLSemanticsException("Not all variables bound", errors);
}
}
// check if any variable name was given more than once
List<String> invalidNames = new LinkedList<>();
for (Multiset.Entry<String> e : variableNames.entrySet()) {
if (e.getCount() > 1) {
invalidNames.add(e.getElement());
}
}
if (!invalidNames.isEmpty()) {
throw new AnnisQLSemanticsException("The following variable names are " + "used for more than one node: " + Joiner.on(", ").join(invalidNames) + "\nNormalized Query is: \n" + data.toAQL());
}
// check no non-reflexive operator is used with the same operands
for (QueryNode source : alternative) {
for (Join join : source.getOutgoingJoins()) {
if (join instanceof Inclusion || join instanceof SameSpan || join instanceof Overlap || join instanceof RightOverlap || join instanceof LeftOverlap || join instanceof RightAlignment || join instanceof LeftAlignment) {
if (source.equals(join.getTarget())) {
throw new AnnisQLSemanticsException(join, "Not-reflexive operator used with the same node as argument.");
}
}
}
}
}
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