Example usage for org.apache.lucene.search.spans SpanQuery toString

Introduction

In this page you can find the example usage for org.apache.lucene.search.spans SpanQuery toString.

Prototype

public abstract String toString(String field);

Source Link

Document

Prints a query to a string, with field assumed to be the default field and omitted.

Usage

From source file:nl.inl.blacklab.search.lucene.BLSpanOrQuery.java

License:Apache License

@Override
public String toString(String field) {
    StringBuilder buffer = new StringBuilder();
    buffer.append("spanOr([");
    Iterator<SpanQuery> i = clauses.iterator();
    while (i.hasNext()) {
        SpanQuery clause = i.next();
        buffer.append(clause.toString(field));
        if (i.hasNext()) {
            buffer.append(", ");
        }//from   w  w w .j a  v a2 s. c o  m
    }
    buffer.append("])");
    buffer.append(ToStringUtils.boost(getBoost()));
    return buffer.toString();
}

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From source file:nl.inl.blacklab.search.lucene.SpanQueryBase.java

License:Apache License

public String clausesToString(String field, String separator) {
    StringBuilder buffer = new StringBuilder();
    for (int i = 0; i < clauses.length; i++) {
        SpanQuery clause = clauses[i];
        buffer.append(clause.toString(field));
        if (i != clauses.length - 1) {
            buffer.append(", ");
        }// w w w . j a va2 s . c o m
    }
    buffer.append(ToStringUtils.boost(getBoost()));
    return buffer.toString();
}

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From source file:nl.inl.blacklab.tools.QueryTool.java

License:Apache License

/**
 * Parse and execute a query in the current query format.
 *
 * @param query/*from   www. ja  va  2 s.c om*/
 *            the query
 */
private void parseAndExecuteQuery(String query) {
    Timer t = new Timer();
    try {

        // See if we want to choose any random words
        if (query.contains("@@")) {
            StringBuffer resultString = new StringBuffer();
            Pattern regex = Pattern.compile("@@[A-Za-z0-9_\\-]+");
            Matcher regexMatcher = regex.matcher(query);
            while (regexMatcher.find()) {
                // You can vary the replacement text for each match on-the-fly
                String wordListName = regexMatcher.group().substring(2);
                List<String> list = wordLists.get(wordListName);
                if (list == null) {
                    errprintln("Word list '" + wordListName + "' not found!");
                    return;
                }
                int randomIndex = (int) (Math.random() * list.size());
                regexMatcher.appendReplacement(resultString, list.get(randomIndex));
            }
            regexMatcher.appendTail(resultString);
            query = resultString.toString();
        }

        Parser parser = parsers.get(currentParserIndex);
        TextPattern pattern = parser.parse(query);
        if (pattern == null) {
            errprintln("No query to execute.");
            return;
        }
        pattern = pattern.rewrite();
        if (verbose)
            outprintln("TextPattern: " + pattern.toString(searcher, CONTENTS_FIELD));

        // If the query included filter clauses, use those. Otherwise use the global filter, if any.
        Query filterForThisQuery = parser.getIncludedFilterQuery();
        if (filterForThisQuery == null)
            filterForThisQuery = filterQuery;
        Filter filter = filterForThisQuery == null ? null : new QueryWrapperFilter(filterForThisQuery);

        // Execute search
        SpanQuery spanQuery = searcher.createSpanQuery(pattern, filter);
        if (verbose)
            outprintln("SpanQuery: " + spanQuery.toString(CONTENTS_FIELD));
        hits = searcher.find(spanQuery);
        docs = null;
        groups = null;
        collocations = null;
        showWhichGroup = -1;
        showSetting = ShowSetting.HITS;
        firstResult = 0;
        showResultsPage();
        reportTime(t.elapsed());
        if (determineTotalNumberOfHits)
            statInfo = "" + hits.size();
        else
            statInfo = "?";
        commandWasQuery = true;
    } catch (ParseException e) {
        // Parse error
        errprintln("Invalid query: " + e.getMessage());
        errprintln("(Type 'help' for examples or see accompanying documents)");
    } catch (UnsupportedOperationException e) {
        // Unimplemented part of query language used
        errprintln("Cannot execute query; " + e.getMessage());
        errprintln("(Type 'help' for examples or see accompanying documents)");
    }
}

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From source file:uk.co.flax.luwak.util.XSpanNearQuery.java

License:Apache License

@Override
public String toString(String field) {
    StringBuilder buffer = new StringBuilder();
    buffer.append("spanNear([");
    Iterator<SpanQuery> i = clauses.iterator();
    while (i.hasNext()) {
        SpanQuery clause = i.next();
        buffer.append(clause.toString(field));
        if (i.hasNext()) {
            buffer.append(", ");
        }//from   w  w w  . j  ava2s . co m
    }
    buffer.append("], ");
    buffer.append(slop);
    buffer.append(", ");
    buffer.append(inOrder);
    buffer.append(")");
    return buffer.toString();
}

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