Example usage for org.apache.lucene.search FieldComparator.TermValComparator FieldComparator.TermValComparator

Introduction

In this page you can find the example usage for org.apache.lucene.search FieldComparator.TermValComparator FieldComparator.TermValComparator.

Prototype

public TermValComparator(int numHits, String field, boolean sortMissingLast) 

Source Link

Document

Sole constructor.

Usage

From source file:com.stratio.cassandra.lucene.key.KeyMapper.java

License:Apache License

/**
 * Returns a Lucene {@link SortField} to sort documents by primary key according to Cassandra's natural order.
 *
 * @return the sort field/*from   w ww  .j av  a  2  s.  co  m*/
 */
public SortField sortField() {
    return new SortField(FIELD_NAME, new FieldComparatorSource() {
        @Override
        public FieldComparator<?> newComparator(String field, int hits, int sort, boolean reversed)
                throws IOException {
            return new FieldComparator.TermValComparator(hits, field, false) {
                @Override
                public int compareValues(BytesRef val1, BytesRef val2) {
                    return entry(val1).compareTo(entry(val2));
                }
            };
        }
    });
}

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From source file:com.stratio.cassandra.lucene.key.PartitionMapper.java

License:Apache License

/**
 * Returns a Lucene {@link SortField} for sorting documents/rows according to the partition key.
 *
 * @return a sort field for sorting by partition key
 *///w  w w  .j a  v  a2  s  .  com
public SortField sortField() {
    return new SortField(FIELD_NAME, new FieldComparatorSource() {
        @Override
        public FieldComparator<?> newComparator(String field, int hits, int sort, boolean reversed)
                throws IOException {
            return new FieldComparator.TermValComparator(hits, field, false) {
                @Override
                public int compareValues(BytesRef val1, BytesRef val2) {
                    ByteBuffer bb1 = ByteBufferUtils.byteBuffer(val1);
                    ByteBuffer bb2 = ByteBufferUtils.byteBuffer(val2);
                    return ByteBufferUtil.compareUnsigned(bb1, bb2);
                }
            };
        }
    });
}

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