Example usage for org.apache.lucene.queries.function.valuesource VectorValueSource VectorValueSource

Introduction

In this page you can find the example usage for org.apache.lucene.queries.function.valuesource VectorValueSource VectorValueSource.

Prototype

public VectorValueSource(List<ValueSource> sources) 

Source Link

Usage

From source file:com.gogobot.DistanceParser.java

License:Apache License

/** make a MultiValueSource from two non MultiValueSources */
private VectorValueSource makeMV(List<ValueSource> sources, List<ValueSource> orig) throws SyntaxError {
    ValueSource vs1 = sources.get(0);//from ww w.  j a  v a 2s .c o m
    ValueSource vs2 = sources.get(1);

    if (vs1 instanceof MultiValueSource || vs2 instanceof MultiValueSource) {
        throw new SyntaxError("geodist - invalid parameters:" + orig);
    }
    return new VectorValueSource(sources);
}

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From source file:com.gogobot.DistanceParser.java

License:Apache License

private MultiValueSource parsePoint(FunctionQParser fp) throws SyntaxError {
    String pt = fp.getParam(SpatialParams.POINT);
    if (pt == null)
        return null;
    double[] point = null;
    try {/*from  w  w w.  ja va  2  s.  c  om*/
        point = ParseUtils.parseLatitudeLongitude(pt);
    } catch (InvalidShapeException e) {
        throw new SyntaxError("Bad spatial pt:" + pt);
    }
    return new VectorValueSource(Arrays.<ValueSource>asList(new DoubleConstValueSource(point[0]),
            new DoubleConstValueSource(point[1])));
}

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From source file:org.apache.solr.search.FunctionQParser.java

License:Apache License

@Override
public Query parse() throws SyntaxError {
    sp = new QueryParsing.StrParser(getString());

    ValueSource vs = null;//from   w  ww. ja  va 2s  .  co m
    List<ValueSource> lst = null;

    for (;;) {
        ValueSource valsource = parseValueSource(false);
        sp.eatws();
        if (!parseMultipleSources) {
            vs = valsource;
            break;
        } else {
            if (lst != null) {
                lst.add(valsource);
            } else {
                vs = valsource;
            }
        }

        // check if there is a "," separator
        if (sp.peek() != ',')
            break;

        consumeArgumentDelimiter();

        if (lst == null) {
            lst = new ArrayList<ValueSource>(2);
            lst.add(valsource);
        }
    }

    if (parseToEnd && sp.pos < sp.end) {
        throw new SyntaxError("Unexpected text after function: " + sp.val.substring(sp.pos, sp.end));
    }

    if (lst != null) {
        vs = new VectorValueSource(lst);
    }

    return new FunctionQuery(vs);
}

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From source file:org.apache.solr.search.ValueSourceParser.java

License:Apache License

private static MVResult getMultiValueSources(List<ValueSource> sources) {
    MVResult mvr = new MVResult();
    if (sources.size() % 2 != 0) {
        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                "Illegal number of sources.  There must be an even number of sources");
    }/*www.  java  2 s.c o  m*/
    if (sources.size() == 2) {

        //check to see if these are MultiValueSource
        boolean s1MV = sources.get(0) instanceof MultiValueSource;
        boolean s2MV = sources.get(1) instanceof MultiValueSource;
        if (s1MV && s2MV) {
            mvr.mv1 = (MultiValueSource) sources.get(0);
            mvr.mv2 = (MultiValueSource) sources.get(1);
        } else if (s1MV || s2MV) {
            //if one is a MultiValueSource, than the other one needs to be too.
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                    "Illegal number of sources.  There must be an even number of sources");
        } else {
            mvr.mv1 = new VectorValueSource(Collections.singletonList(sources.get(0)));
            mvr.mv2 = new VectorValueSource(Collections.singletonList(sources.get(1)));
        }
    } else {
        int dim = sources.size() / 2;
        List<ValueSource> sources1 = new ArrayList<ValueSource>(dim);
        List<ValueSource> sources2 = new ArrayList<ValueSource>(dim);
        //Get dim value sources for the first vector
        splitSources(dim, sources, sources1, sources2);
        mvr.mv1 = new VectorValueSource(sources1);
        mvr.mv2 = new VectorValueSource(sources2);
    }

    return mvr;
}

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