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

Introduction

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

Prototype

FieldComparator

Source Link

Usage

From source file:io.crate.action.sql.query.NullFieldComparatorSource.java

License:Apache License

@Override
public FieldComparator<?> newComparator(String fieldname, int numHits, int sortPos, boolean reversed)
        throws IOException {
    return new FieldComparator<Object>() {
        @Override//  w ww . j ava 2 s .c  o  m
        public int compare(int slot1, int slot2) {
            return 0;
        }

        @Override
        public void setBottom(int slot) {

        }

        @Override
        public void setTopValue(Object value) {

        }

        @Override
        public int compareBottom(int doc) throws IOException {
            return 0;
        }

        @Override
        public int compareTop(int doc) throws IOException {
            return 0;
        }

        @Override
        public void copy(int slot, int doc) throws IOException {

        }

        @Override
        public FieldComparator<Object> setNextReader(AtomicReaderContext context) throws IOException {
            return this;
        }

        @Override
        public Object value(int slot) {
            return missingValue;
        }
    };
}

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From source file:io.crate.execution.engine.sort.NullFieldComparatorSource.java

License:Apache License

@Override
public FieldComparator<?> newComparator(String fieldname, int numHits, int sortPos, boolean reversed) {
    return new FieldComparator<Object>() {
        @Override//  w  w w  .j a va  2s  .  co  m
        public LeafFieldComparator getLeafComparator(LeafReaderContext context) {
            return LEAF_FIELD_COMPARATOR;
        }

        @Override
        public int compare(int slot1, int slot2) {
            return 0;
        }

        @Override
        public void setTopValue(Object value) {
        }

        @Override
        public Object value(int slot) {
            return missingValue;
        }
    };
}

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