Example usage for org.apache.lucene.queries.function FunctionValues getValueFiller

Introduction

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

Prototype

public ValueFiller getValueFiller() 

Source Link

Usage

From source file:org.apache.solr.analytics.util.valuesource.FilterFieldSource.java

License:Apache License

@Override
public FunctionValues getValues(Map context, LeafReaderContext readerContext) throws IOException {
    final FunctionValues vals = source.getValues(context, readerContext);
    return new FunctionValues() {

        @Override//from   w w w  .  j  av a2 s.co  m
        public byte byteVal(int doc) {
            return vals.byteVal(doc);
        }

        @Override
        public short shortVal(int doc) {
            return vals.shortVal(doc);
        }

        @Override
        public float floatVal(int doc) {
            return vals.floatVal(doc);
        }

        @Override
        public int intVal(int doc) {
            return vals.intVal(doc);
        }

        @Override
        public long longVal(int doc) {
            return vals.longVal(doc);
        }

        @Override
        public double doubleVal(int doc) {
            return vals.doubleVal(doc);
        }

        @Override
        public String strVal(int doc) {
            return vals.strVal(doc);
        }

        @Override
        public Object objectVal(int doc) {
            return exists(doc) ? vals.objectVal(doc) : null;
        }

        @Override
        public boolean exists(int doc) {
            Object other = vals.objectVal(doc);
            return other != null && !missValue.equals(other);
        }

        @Override
        public String toString(int doc) {
            return NAME + '(' + vals.toString(doc) + ')';
        }

        @Override
        public ValueFiller getValueFiller() {
            return new ValueFiller() {
                private final ValueFiller delegateFiller = vals.getValueFiller();
                private final MutableValue mval = delegateFiller.getValue();

                @Override
                public MutableValue getValue() {
                    return mval;
                }

                @Override
                public void fillValue(int doc) {
                    delegateFiller.fillValue(doc);
                    mval.exists = exists(doc);
                }
            };
        }
    };
}

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