Example usage for org.apache.lucene.queryparser.flexible.core.messages QueryParserMessages EMPTY_MESSAGE

Introduction

In this page you can find the example usage for org.apache.lucene.queryparser.flexible.core.messages QueryParserMessages EMPTY_MESSAGE.

Prototype

String EMPTY_MESSAGE

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Usage

From source file:com.sindicetech.siren.qparser.keyword.builders.AnyQueryNodeBuilder.java

License:Open Source License

public BooleanQuery build(QueryNode queryNode) throws QueryNodeException {
    AnyQueryNode andNode = (AnyQueryNode) queryNode;

    BooleanQuery bQuery = new BooleanQuery();
    List<QueryNode> children = andNode.getChildren();

    if (children != null) {

        for (QueryNode child : children) {
            Object obj = child.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);

            if (obj != null) {
                Query query = (Query) obj;

                try {
                    bQuery.add(query, BooleanClause.Occur.SHOULD);
                } catch (TooManyClauses ex) {

                    throw new QueryNodeException(new MessageImpl(
                            /*
                             * IQQQ.Q0028E_TOO_MANY_BOOLEAN_CLAUSES,
                             * BooleanQuery.getMaxClauseCount()
                             *//*  w  ww.j  ava2  s.c  om*/
                            QueryParserMessages.EMPTY_MESSAGE), ex);

                }

            }

        }

    }

    bQuery.setMinimumNumberShouldMatch(andNode.getMinimumMatchingElements());

    return bQuery;

}

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From source file:com.sindicetech.siren.qparser.keyword.builders.TwigQueryNodeBuilder.java

License:Open Source License

@Override
public Query build(final QueryNode queryNode) throws QueryNodeException {
    final TwigQueryNode tqn = (TwigQueryNode) queryNode;
    final QueryNode root = tqn.getRoot();
    final QueryNode child = tqn.getChild();
    final TwigQuery twigQuery;
    final int rootLevel = tqn.getRootLevel();

    if (root == null && child == null) {
        throw new QueryNodeException(new MessageImpl(QueryParserMessages.EMPTY_MESSAGE));
    }/* w  w w  . j av  a2s  .  co  m*/
    if (tqn.getChildren().size() != 2) {
        throw new IllegalArgumentException(
                "A TwigQueryNode cannot have more " + "than 2 children:\n" + tqn.getChildren().toString());
    }
    if (child instanceof WildcardNodeQueryNode && root instanceof WildcardNodeQueryNode) {
        throw new QueryNodeException(
                new MessageImpl("Twig with both root and " + "child empty is not allowed."));
    }
    // Build the root operand
    if (root instanceof WildcardNodeQueryNode) { // Empty root query
        twigQuery = new TwigQuery(rootLevel);
    } else {
        final Object attQuery = root.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
        if (attQuery != null) {
            twigQuery = new TwigQuery(rootLevel);
            twigQuery.addRoot((NodeQuery) attQuery);
        } else {
            throw new QueryNodeException(new MessageImpl(QueryParserMessages.INVALID_SYNTAX,
                    "Unable to get the root of the Twig query"));
        }
    }
    if (!(child instanceof WildcardNodeQueryNode)) {
        // Build the child operand
        final Object v = child.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
        if (v instanceof ArrayQuery) { // array of children nodes
            final ArrayQueryNode aqn = (ArrayQueryNode) child;
            final List<Query> children = ((ArrayQuery) v).getElements();
            for (int i = 0; i < children.size(); i++) {
                twigQuery.addChild((NodeQuery) children.get(i), NodeQueryBuilderUtil
                        .getModifierValue(aqn.getChildren().get(i), NodeBooleanClause.Occur.MUST));
            }
        } else if (v instanceof Query) {
            final NodeQuery valQuery = (NodeQuery) v;
            twigQuery.addChild(valQuery, Occur.MUST);
        } else {
            throw new QueryNodeException(new MessageImpl(QueryParserMessages.INVALID_SYNTAX,
                    "Unexpected class of a Twig Query clause: " + v == null ? "null" : v.getClass().getName()));
        }
    }

    return twigQuery;
}

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