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/*
 * 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 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 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.index.fielddata;

import org.apache.lucene.index.LeafReaderContext;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.script.IpFieldScript;
import org.elasticsearch.script.field.DocValuesScriptFieldFactory;
import org.elasticsearch.script.field.ToScriptFieldFactory;
import org.elasticsearch.search.aggregations.support.CoreValuesSourceType;
import org.elasticsearch.search.aggregations.support.ValuesSourceType;

public class IpScriptFieldData extends BinaryScriptFieldData {
    public static class Builder implements IndexFieldData.Builder {
        private final String name;
        private final IpFieldScript.LeafFactory leafFactory;
        private final ToScriptFieldFactory toScriptFieldFactory;

        public Builder(
            String name,
            IpFieldScript.LeafFactory leafFactory,
            ToScriptFieldFactory toScriptFieldFactory
        ) {
            this.name = name;
            this.leafFactory = leafFactory;
            this.toScriptFieldFactory = toScriptFieldFactory;
        }

        @Override
        public IpScriptFieldData build(IndexFieldDataCache cache, CircuitBreakerService breakerService) {
            return new IpScriptFieldData(name, leafFactory, toScriptFieldFactory);
        }
    }

    private final IpFieldScript.LeafFactory leafFactory;
    private final ToScriptFieldFactory toScriptFieldFactory;

    private IpScriptFieldData(
        String fieldName,
        IpFieldScript.LeafFactory leafFactory,
        ToScriptFieldFactory toScriptFieldFactory
    ) {
        super(fieldName);
        this.leafFactory = leafFactory;
        this.toScriptFieldFactory = toScriptFieldFactory;
    }

    @Override
    public BinaryScriptLeafFieldData loadDirect(LeafReaderContext context) throws Exception {
        IpFieldScript script = leafFactory.newInstance(context);
        return new BinaryScriptLeafFieldData() {
            @Override
            public DocValuesScriptFieldFactory getScriptFieldFactory(String name) {
                return toScriptFieldFactory.getScriptFieldFactory(getBytesValues(), name);
            }

            @Override
            public SortedBinaryDocValues getBytesValues() {
                return new org.elasticsearch.index.fielddata.IpScriptDocValues(script);
            }
        };
    }

    @Override
    public ValuesSourceType getValuesSourceType() {
        return CoreValuesSourceType.IP;
    }
}