Examples with QueryNode annis.model.QueryNode used on opensource projects

Example 61 with QueryNode

use of annis.model.QueryNode 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.");
                }
            }
        }
    }
}

Example 62 with QueryNode

use of annis.model.QueryNode in project ANNIS by korpling.

the class SemanticValidator method calculateConnected.

private Multimap<Long, QueryNode> calculateConnected(List<QueryNode> nodes) {
    Multimap<Long, QueryNode> result = HashMultimap.create();
    for (QueryNode n : nodes) {
        for (Join j : n.getOutgoingJoins()) {
            if (j.getTarget() != null && !(j instanceof NonBindingJoin)) {
                long left = n.getId();
                long right = j.getTarget().getId();
                result.put(left, j.getTarget());
                result.put(right, n);
            }
        }
    }
    return result;
}

Example 63 with QueryNode

use of annis.model.QueryNode in project ANNIS by korpling.

the class DefaultWhereClauseGenerator method addNodeArityConditions.

@Override
protected void addNodeArityConditions(List<String> conditions, QueryData queryData, QueryNode node) {
    // fugly
    List<Long> corpusList = queryData.getCorpusList();
    TableAccessStrategy tas = tables(null);
    String id1 = tables(node).aliasedColumn(RANK_TABLE, "id");
    String componentID1 = tables(node).aliasedColumn(COMPONENT_TABLE, "id");
    String corpusRef1 = tables(node).aliasedColumn(NODE_TABLE, "corpus_ref");
    String parent = TableAccessStrategy.column("children", tas.columnName(RANK_TABLE, "parent"));
    String id = TableAccessStrategy.column("children", tas.columnName(RANK_TABLE, "id"));
    String componentID = TableAccessStrategy.column("children", tas.columnName(COMPONENT_TABLE, "id"));
    ;
    String corpusRef = TableAccessStrategy.column("children", tas.columnName(NODE_TABLE, "corpus_ref"));
    ;
    String factsTable = SelectedFactsFromClauseGenerator.inheritedFactTables(corpusList, "");
    StringBuffer sb = new StringBuffer();
    sb.append("(SELECT count(DISTINCT " + id + ")\n");
    sb.append("\tFROM " + factsTable + " AS children\n");
    sb.append("\tWHERE " + parent + " = " + id1 + " AND " + componentID1 + " = " + componentID + " AND " + corpusRef1 + " = " + corpusRef + " AND toplevel_corpus IN(" + (corpusList.isEmpty() ? "NULL" : StringUtils.join(corpusList, ",")) + ")" + ")");
    QueryNode.Range arity = node.getArity();
    if (arity.getMin() == arity.getMax()) {
        conditions.add(join("=", sb.toString(), String.valueOf(arity.getMin())));
    } else {
        conditions.add(between(sb.toString(), arity.getMin(), arity.getMax()));
    }
}

Example 64 with QueryNode

use of annis.model.QueryNode in project ANNIS by korpling.

the class FindSqlGenerator method fromClause.

@Override
public String fromClause(QueryData queryData, List<QueryNode> alternative, String indent) {
    StringBuilder sb = new StringBuilder();
    sb.append(indent).append("(\n");
    sb.append(solutionSqlGenerator.toSql(queryData, indent + TABSTOP));
    sb.append(") AS solution \n");
    Preconditions.checkArgument(!alternative.isEmpty(), "There must be at least one query node in the alternative");
    // add the left joins with the annotation category table
    int i = 0;
    Iterator<QueryNode> itNodes = alternative.iterator();
    while (itNodes.hasNext()) {
        i++;
        QueryNode n = itNodes.next();
        sb.append(indent).append("LEFT JOIN annotation_category AS annotation_category").append(n.getId()).append(" ON (solution.toplevel_corpus = annotation_category").append(n.getId()).append(".toplevel_corpus").append(" AND solution.cat").append(i).append(" = annotation_category").append(n.getId()).append(".id").append(")");
        if (!itNodes.hasNext()) {
            sb.append(",");
        }
        sb.append("\n");
    }
    sb.append(indent).append("corpus AS c");
    return sb.toString();
}

Example 65 with QueryNode

use of annis.model.QueryNode in project ANNIS by korpling.

the class TransitivePrecedenceOptimizer method createInitialJoinMap.

private Map<Long, Set<Precedence>> createInitialJoinMap(List<QueryNode> alternative) {
    Map<Long, Set<Precedence>> result = new HashMap<>();
    for (QueryNode node : alternative) {
        Set<Precedence> joinList = new HashSet<>();
        for (Join j : node.getOutgoingJoins()) {
            if (j instanceof Precedence) {
                joinList.add((Precedence) j);
            }
        }
        result.put(node.getId(), joinList);
    }
    return result;
}