Example usage for org.apache.lucene.queries.function ValueSource newContext

Introduction

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

Prototype

public static Map newContext(IndexSearcher searcher) 

Source Link

Document

Returns a new non-threadsafe context map.

Usage

From source file:alba.solr.core.DynamicQuery.java

License:Apache License

@Override
public DelegatingCollector getFilterCollector(IndexSearcher idxS) {

    Map fcontext = ValueSource.newContext(idxS);

    DynamicDelegatingCollector ddg = new DynamicDelegatingCollector(this, fcontext, function, functionParams,
            functionResultsCache);/*from  w ww . j  a  va2 s.  c om*/

    ddg.setFunction(function, functionParams, functionParamValueSource);
    return ddg;

}

---

From source file:org.apache.solr.response.transform.ValueSourceAugmenter.java

License:Apache License

@Override
public void setContext(TransformContext context) {
    try {/*  w w w . j  a  va2 s.  c o  m*/
        IndexReader reader = qparser.getReq().getSearcher().getIndexReader();
        readerContexts = reader.leaves();
        docValuesArr = new FunctionValues[readerContexts.size()];

        searcher = qparser.getReq().getSearcher();
        fcontext = ValueSource.newContext(searcher);
        this.valueSource.createWeight(fcontext, searcher);
    } catch (IOException e) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
    }
}

---

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

License:Apache License

@Override
public DelegatingCollector getFilterCollector(IndexSearcher searcher) {
    Map fcontext = ValueSource.newContext(searcher);
    return new FunctionRangeCollector(fcontext);
}

---

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

License:Apache License

private String getStringVal(SolrQueryRequest sqr, String field, int doc) throws IOException {
    SchemaField sf = sqr.getSchema().getField(field);
    ValueSource vs = sf.getType().getValueSource(sf, null);
    Map context = ValueSource.newContext(sqr.getSearcher());
    vs.createWeight(context, sqr.getSearcher());
    IndexReaderContext topReaderContext = sqr.getSearcher().getTopReaderContext();
    List<AtomicReaderContext> leaves = topReaderContext.leaves();
    int idx = ReaderUtil.subIndex(doc, leaves);
    AtomicReaderContext leaf = leaves.get(idx);
    FunctionValues vals = vs.getValues(context, leaf);
    return vals.strVal(doc - leaf.docBase);
}

---

From source file:org.apache.solr.update.IndexFingerprint.java

License:Apache License

public static IndexFingerprint getFingerprint(SolrIndexSearcher searcher, LeafReaderContext ctx,
        Long maxVersion) throws IOException {
    SchemaField versionField = VersionInfo.getAndCheckVersionField(searcher.getSchema());
    ValueSource vs = versionField.getType().getValueSource(versionField, null);
    Map funcContext = ValueSource.newContext(searcher);
    vs.createWeight(funcContext, searcher);

    IndexFingerprint f = new IndexFingerprint();
    f.maxVersionSpecified = maxVersion;/*  w  ww. j  ava 2  s.co m*/
    f.maxDoc = ctx.reader().maxDoc();
    f.numDocs = ctx.reader().numDocs();

    int maxDoc = ctx.reader().maxDoc();
    Bits liveDocs = ctx.reader().getLiveDocs();
    FunctionValues fv = vs.getValues(funcContext, ctx);
    for (int doc = 0; doc < maxDoc; doc++) {
        if (liveDocs != null && !liveDocs.get(doc))
            continue;
        long v = fv.longVal(doc);
        f.maxVersionEncountered = Math.max(v, f.maxVersionEncountered);
        if (v <= f.maxVersionSpecified) {
            f.maxInHash = Math.max(v, f.maxInHash);
            f.versionsHash += Hash.fmix64(v);
            f.numVersions++;
        }
    }

    return f;
}

---

From source file:org.apache.solr.update.VersionInfo.java

License:Apache License

public Long getVersionFromIndex(BytesRef idBytes) {
    // TODO: we could cache much of this and invalidate during a commit.
    // TODO: most DocValues classes are threadsafe - expose which.

    RefCounted<SolrIndexSearcher> newestSearcher = ulog.uhandler.core.getRealtimeSearcher();
    try {//from   w  w w .  j a va2s .c  om
        SolrIndexSearcher searcher = newestSearcher.get();
        long lookup = searcher.lookupId(idBytes);
        if (lookup < 0)
            return null;

        ValueSource vs = versionField.getType().getValueSource(versionField, null);
        Map context = ValueSource.newContext(searcher);
        vs.createWeight(context, searcher);
        FunctionValues fv = vs.getValues(context,
                searcher.getTopReaderContext().leaves().get((int) (lookup >> 32)));
        long ver = fv.longVal((int) lookup);
        return ver;

    } catch (IOException e) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Error reading version from index", e);
    } finally {
        if (newestSearcher != null) {
            newestSearcher.decref();
        }
    }
}

---

From source file:org.opensextant.solrtexttagger.TaggerRequestHandler.java

License:Open Source License

public ValueSourceAccessor(IndexSearcher searcher, ValueSource valueSource) {
    readerContexts = searcher.getIndexReader().leaves();
    this.valueSource = valueSource;
    docValuesArr = new FunctionValues[readerContexts.size()];
    fContext = ValueSource.newContext(searcher);
}

---

From source file:org.vootoo.search.CollectorFilterQuery.java

License:Apache License

@Override
public DelegatingCollector getFilterCollector(IndexSearcher searcher) {
    @SuppressWarnings("rawtypes")
    Map fcontext = ValueSource.newContext(searcher);
    return new FilterCollector(valueSourceFilter.getCollectorFilterable(), fcontext);
}

---