/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.index.fielddata;

import org.elasticsearch.script.StringFieldScript;

import java.util.List;

public final class StringScriptDocValues extends SortingBinaryDocValues {
    private final StringFieldScript script;

    StringScriptDocValues(StringFieldScript script) {
        this.script = script;
    }

    @Override
    public boolean advanceExact(int docId) {
        script.runForDoc(docId);
        List<String> results = script.getValues();
        count = results.size();
        if (count == 0) {
            return false;
        }

        grow();
        int i = 0;
        for (String value : results) {
            values[i++].copyChars(value);
        }
        sort();
        return true;
    }
}