Example usage for org.apache.lucene.queryparser.flexible.core.nodes QueryNode toQueryString

Introduction

In this page you can find the example usage for org.apache.lucene.queryparser.flexible.core.nodes QueryNode toQueryString.

Prototype

public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser);

Source Link

Document

convert to a query string understood by the query parser

Usage

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

License:Open Source License

public Query build(final QueryNode queryNode) throws QueryNodeException {
    final BooleanQueryNode booleanNode = (BooleanQueryNode) queryNode;

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

    if (children != null) {

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

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

                try {
                    final QueryNode mod;
                    if (child instanceof DatatypeQueryNode) {
                        mod = ((DatatypeQueryNode) child).getChild();
                    } else {
                        mod = child;/*  w w w  .  j  a  v a  2 s  .c  o  m*/
                    }
                    bQuery.add(query, getModifierValue(mod));

                } catch (final TooManyClauses ex) {

                    throw new QueryNodeException(new MessageImpl(QueryParserMessages.TOO_MANY_BOOLEAN_CLAUSES,
                            BooleanQuery.getMaxClauseCount(),
                            queryNode.toQueryString(new EscapeQuerySyntaxImpl())), ex);

                }

            }

        }

    }

    return bQuery;

}

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From source file:com.sindicetech.siren.qparser.keyword.nodes.NodeBooleanQueryNode.java

License:Open Source License

@Override
public CharSequence toQueryString(final EscapeQuerySyntax escapeSyntaxParser) {
    if (this.getChildren() == null || this.getChildren().size() == 0)
        return "";

    final StringBuilder sb = new StringBuilder();
    String filler = "";
    for (final QueryNode child : this.getChildren()) {
        sb.append(filler).append(child.toQueryString(escapeSyntaxParser));
        filler = " ";
    }//  w  w  w  .j  a v a  2s .c o  m

    // in case is root or the parent is a group node avoid parenthesis
    if ((this.getParent() != null && this.getParent() instanceof GroupQueryNode) || this.isRoot())
        return sb.toString();
    else
        return "( " + sb.toString() + " )";
}

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From source file:com.sindicetech.siren.qparser.keyword.nodes.TwigQueryNode.java

License:Open Source License

@Override
public CharSequence toQueryString(final EscapeQuerySyntax escapeSyntaxParser) {
    if (this.getChildren() == null || this.getChildren().size() == 0)
        return "";

    final StringBuilder sb = new StringBuilder();
    final QueryNode root = this.getRoot();
    final QueryNode child = this.getChild();
    if (root instanceof WildcardNodeQueryNode) {
        sb.append("* : ");
    } else {/*from   w ww.j av  a2 s  .  c  o  m*/
        sb.append(root.toQueryString(escapeSyntaxParser)).append(" : ");
    }
    if (child instanceof WildcardNodeQueryNode) {
        sb.append("*");
    } else {
        sb.append(child.toQueryString(escapeSyntaxParser));
    }

    // in case is root or the parent is a group node avoid parenthesis
    if ((this.getParent() != null && this.getParent() instanceof GroupQueryNode) || this.isRoot()) {
        return sb.toString();
    } else {
        return "( " + sb.toString() + " )";
    }
}

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From source file:com.sindicetech.siren.qparser.keyword.processors.AllowFuzzyAndWildcardProcessor.java

License:Open Source License

@Override
protected QueryNode postProcessNode(final QueryNode node) throws QueryNodeException {

    if (node instanceof WildcardQueryNode) {
        throw new QueryNodeException(
                new MessageImpl("Wildcard not allowed", node.toQueryString(new EscapeQuerySyntaxImpl())));
    }/*  w w  w . ja  v a 2 s .  c  o m*/

    if (node instanceof FuzzyQueryNode) {
        throw new QueryNodeException(
                new MessageImpl("Fuzzy not allowed", node.toQueryString(new EscapeQuerySyntaxImpl())));
    }

    return node;

}

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From source file:com.sindicetech.siren.qparser.keyword.processors.AllowTwigProcessor.java

License:Open Source License

@Override
protected QueryNode preProcessNode(final QueryNode node) throws QueryNodeException {
    if (node instanceof TwigQueryNode) {
        if (this.getQueryConfigHandler().has(KeywordConfigurationKeys.ALLOW_TWIG)) {
            if (!this.getQueryConfigHandler().get(KeywordConfigurationKeys.ALLOW_TWIG)) {
                throw new QueryNodeException(new MessageImpl("TwigQuery not allowed",
                        node.toQueryString(new EscapeQuerySyntaxImpl())));
            }/* ww  w.ja  v  a 2  s .c o m*/
        } else {
            throw new IllegalArgumentException(
                    "KeywordConfigurationKeys.ALLOW_TWIG should be set on the ExtendedKeywordQueryConfigHandler");
        }
    }
    return node;
}

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From source file:com.sindicetech.siren.qparser.keyword.processors.NotSupportedQueryProcessor.java

License:Open Source License

@Override
protected QueryNode preProcessNode(final QueryNode node) throws QueryNodeException {
    if (node instanceof SlopQueryNode && ((SlopQueryNode) node).getValue() != 0) {
        throw new QueryNodeException(new MessageImpl("Slop queries are not supported",
                node.toQueryString(new EscapeQuerySyntaxImpl())));
    } else if (node instanceof MultiPhraseQueryNode) {
        throw new QueryNodeException(new MessageImpl("Multi phrase queries are not supported",
                node.toQueryString(new EscapeQuerySyntaxImpl())));
    } else if (node instanceof MatchAllDocsQueryNodeBuilder) {
        throw new QueryNodeException(new MessageImpl("MatchAllDocsQueries are not supported",
                node.toQueryString(new EscapeQuerySyntaxImpl())));
    }//from w  w  w  .  j  av  a  2s.c  om
    return node;
}

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From source file:com.sindicetech.siren.qparser.keyword.processors.QueryTypeProcessor.java

License:Open Source License

@Override
protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
    // If the current node is a group query node, check the query type and assign it to its children
    if (node instanceof GroupQueryNode) {
        GroupQueryNode groupQueryNode = (GroupQueryNode) node;
        String queryType = null;/*from  www. jav a  2  s  . c o  m*/

        if (node instanceof NodeGroupQueryNode) {
            queryType = NODE_QUERYTYPE;
        } else if (node instanceof SpanGroupQueryNode) {
            queryType = SPAN_QUERYTYPE;
        } else {
            throw new QueryNodeException(new MessageImpl("Invalid GroupQueryNode received",
                    node.toQueryString(new EscapeQuerySyntaxImpl())));
        }

        // transfer the query type to its child
        groupQueryNode.getChild().setTag(QUERYTYPE_TAG, queryType);
    }
    // in any other cases, if the node is not a leaf node, transfer the query type to its children
    else if (!node.isLeaf()) {
        if (node.getTag(QUERYTYPE_TAG) != null) {
            for (final QueryNode child : node.getChildren()) {
                child.setTag(QUERYTYPE_TAG, node.getTag(QUERYTYPE_TAG));
            }
        }
    }

    return node;
}

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From source file:org.sindice.siren.qparser.json.builders.BooleanQueryNodeBuilder.java

License:Apache License

public BooleanQuery build(final QueryNode queryNode) throws QueryNodeException {
    final BooleanQueryNode booleanNode = (BooleanQueryNode) queryNode;
    final BooleanQuery bQuery = new BooleanQuery(true);
    final List<QueryNode> children = booleanNode.getChildren();

    for (final QueryNode child : children) {
        final Object obj = child.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
        // wrap the query into a LuceneProxyNodeQuery
        final Query query = new LuceneProxyNodeQuery((NodeQuery) obj);
        try {/*from  w w w  .  j  a  va 2 s  .  c o  m*/
            bQuery.add(query, getModifierValue(child));
        } catch (final TooManyClauses ex) {
            throw new QueryNodeException(new MessageImpl(QueryParserMessages.TOO_MANY_BOOLEAN_CLAUSES,
                    BooleanQuery.getMaxClauseCount(), queryNode.toQueryString(new EscapeQuerySyntaxImpl())),
                    ex);
        }
    }
    return bQuery;
}

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From source file:org.sindice.siren.qparser.keyword.builders.MatchNoDocsQueryNodeBuilder.java

License:Apache License

public NodeBooleanQuery build(final QueryNode queryNode) throws QueryNodeException {

    // validates node
    if (!(queryNode instanceof MatchNoDocsQueryNode)) {
        throw new QueryNodeException(new MessageImpl(QueryParserMessages.LUCENE_QUERY_CONVERSION_ERROR,
                queryNode.toQueryString(new EscapeQuerySyntaxImpl()), queryNode.getClass().getName()));
    }//  w ww  .j a  va 2 s.c o  m

    return new NodeBooleanQuery();
}

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From source file:org.sindice.siren.qparser.keyword.processors.AllowTwigProcessor.java

License:Apache License

@Override
protected QueryNode preProcessNode(final QueryNode node) throws QueryNodeException {
    if (node instanceof TwigQueryNode) {
        if (this.getQueryConfigHandler().has(KeywordConfigurationKeys.ALLOW_TWIG)) {
            if (!this.getQueryConfigHandler().get(KeywordConfigurationKeys.ALLOW_TWIG)) {
                throw new QueryNodeException(new MessageImpl("TwigQuery not allowed",
                        node.toQueryString(new EscapeQuerySyntaxImpl())));
            }/*from ww  w  . j  a  v  a 2s.c o  m*/
        } else {
            throw new IllegalArgumentException(
                    "KeywordConfigurationKeys.ALLOW_TWIG should be set on the KeywordQueryConfigHandler");
        }
    }
    return node;
}

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