Example usage for org.apache.lucene.index SortedSetDocValues SortedSetDocValues

Introduction

In this page you can find the example usage for org.apache.lucene.index SortedSetDocValues SortedSetDocValues.

Prototype

protected SortedSetDocValues() 

Source Link

Document

Sole constructor.

Usage

From source file:lucene.security.index.SecureAtomicReader.java

License:Apache License

@Override
public SortedSetDocValues getSortedSetDocValues(String field) throws IOException {
    final SortedSetDocValues sortedSetDocValues = in.getSortedSetDocValues(field);
    if (sortedSetDocValues == null) {
        return null;
    }//from  w  w  w  .ja  v  a  2s  . co  m
    return new SortedSetDocValues() {

        private boolean _access;

        @Override
        public void setDocument(int docID) {
            try {
                if (_access = _accessControl.hasAccess(ReadType.SORTED_SET_DOC_VALUE, docID)) {
                    sortedSetDocValues.setDocument(docID);
                }
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        @Override
        public long nextOrd() {
            if (_access) {
                return sortedSetDocValues.nextOrd();
            }
            return NO_MORE_ORDS;
        }

        @Override
        public void lookupOrd(long ord, BytesRef result) {
            if (_access) {
                sortedSetDocValues.lookupOrd(ord, result);
            } else {
                result.bytes = BinaryDocValues.MISSING;
                result.length = 0;
                result.offset = 0;
            }
        }

        @Override
        public long getValueCount() {
            return sortedSetDocValues.getValueCount();
        }
    };
}

---

From source file:org.apache.blur.lucene.codec.DiskDocValuesProducer.java

License:Apache License

@Override
public SortedSetDocValues getSortedSet(FieldInfo field) throws IOException {
    final long valueCount = binaries.get(field.number).count;
    // we keep the byte[]s and list of ords on disk, these could be large
    final LongBinaryDocValues binary = (LongBinaryDocValues) getBinary(field);
    final LongNumericDocValues ordinals = getNumeric(ords.get(field.number));

    Tracer trace = Trace.trace("getSortedSet - MonotonicBlockPackedReader - create");
    final MonotonicBlockPackedReader ordIndex;
    try {/*  w  ww .  j  av a 2s.  com*/
        NumericEntry entry = ordIndexes.get(field.number);
        IndexInput data = this.data.clone();
        data.seek(entry.offset);
        ordIndex = new MonotonicBlockPackedReader(data, entry.packedIntsVersion, entry.blockSize, entry.count,
                true);
    } finally {
        trace.done();
    }

    return new SortedSetDocValues() {
        long offset;
        long endOffset;

        @Override
        public long nextOrd() {
            if (offset == endOffset) {
                return NO_MORE_ORDS;
            } else {
                long ord = ordinals.get(offset);
                offset++;
                return ord;
            }
        }

        @Override
        public void setDocument(int docID) {
            offset = (docID == 0 ? 0 : ordIndex.get(docID - 1));
            endOffset = ordIndex.get(docID);
        }

        @Override
        public void lookupOrd(long ord, BytesRef result) {
            binary.get(ord, result);
        }

        @Override
        public long getValueCount() {
            return valueCount;
        }
    };
}

---