Example usage for org.apache.lucene.util FixedBitSet FixedBitSet

Introduction

In this page you can find the example usage for org.apache.lucene.util FixedBitSet FixedBitSet.

Prototype

public FixedBitSet(long[] storedBits, int numBits) 

Source Link

Document

Creates a new LongBitSet using the provided long[] array as backing store.

Usage

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

License:Apache License

private static DocSet createBigSet(List<LeafReaderContext> leaves, PostingsEnum[] postList, int maxDoc,
        int firstReader) throws IOException {
    long[] bits = new long[FixedBitSet.bits2words(maxDoc)];
    int sz = 0;/*from   w  w  w. j  av a 2  s.  com*/
    for (int i = firstReader; i < postList.length; i++) {
        PostingsEnum postings = postList[i];
        if (postings == null)
            continue;
        LeafReaderContext ctx = leaves.get(i);
        Bits liveDocs = ctx.reader().getLiveDocs();
        int base = ctx.docBase;
        for (;;) {
            int subId = postings.nextDoc();
            if (subId == DocIdSetIterator.NO_MORE_DOCS)
                break;
            if (liveDocs != null && !liveDocs.get(subId))
                continue;
            int globalId = subId + base;
            bits[globalId >> 6] |= (1L << globalId);
            sz++;
        }
    }

    BitDocSet docSet = new BitDocSet(new FixedBitSet(bits, maxDoc), sz);

    int smallSetSize = smallSetSize(maxDoc);
    if (sz < smallSetSize) {
        // make this optional?
        DocSet smallSet = toSmallSet(docSet);
        // assert equals(docSet, smallSet);
        return smallSet;
    }

    return docSet;
}

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