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The core of Neo4j Bolt Protocol, this contains the state machine for Bolt sessions.

There is a newer version: 5.26.1

/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.packstream.struct;

import java.util.Map;

public class ImmutableStructRegistry extends AbstractStructRegistry {

    private ImmutableStructRegistry(
            Map> tagToReaderMap,
            Map, StructWriter> typeToWriterMap) {
        super(tagToReaderMap, typeToWriterMap);
    }

    /**
     * Creates a new empty builder capable of creating a new immutable struct registry.
     *
     * @param  a context type.
     * @param  a struct type.
     * @return an empty factory.
     */
    public static  Builder emptyBuilder() {
        return new Builder<>();
    }

    @Override
    @SuppressWarnings({"unchecked", "rawtypes"})
    public  AbstractStructRegistry.Builder builderOf() {
        return new Builder<>((Map) this.tagToReaderMap, this.typeToWriterMap);
    }

    public static class Builder extends AbstractStructRegistry.Builder {

        private Builder() {}

        private Builder(
                Map> tagToReaderMap,
                Map, StructWriter> typeToWriterMap) {
            super(tagToReaderMap, typeToWriterMap);
        }

        @Override
        public ImmutableStructRegistry build() {
            return new ImmutableStructRegistry<>(Map.copyOf(this.tagToReaderMap), Map.copyOf(this.typeToWriterMap));
        }
    }
}