org.neo4j.kernel.impl.transaction.command.CommandReading Maven / Gradle / Ivy

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/*
 * Copyright (c) 2018-2020 "Graph Foundation,"
 * Graph Foundation, Inc. [https://graphfoundation.org]
 *
 * This file is part of ONgDB.
 *
 * ONgDB 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 .
 */
/*
 * Copyright (c) 2002-2020 "Neo4j,"
 * Neo4j Sweden AB [http://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.kernel.impl.transaction.command;

import java.util.Collection;

import org.neo4j.kernel.impl.store.record.DynamicRecord;
import org.neo4j.kernel.impl.store.record.PropertyBlock;
import org.neo4j.kernel.impl.store.record.PropertyKeyTokenRecord;
import org.neo4j.kernel.impl.store.record.PropertyRecord;
import org.neo4j.kernel.impl.store.record.TokenRecord;

public abstract class CommandReading
{
    public interface DynamicRecordAdder
    {
        void add( T target, DynamicRecord record );
    }

    public static final DynamicRecordAdder PROPERTY_BLOCK_DYNAMIC_RECORD_ADDER = ( target, record ) ->
    {
        record.setCreated();
        target.addValueRecord( record );
    };

    public static final DynamicRecordAdder> COLLECTION_DYNAMIC_RECORD_ADDER = Collection::add;

    public static final DynamicRecordAdder PROPERTY_DELETED_DYNAMIC_RECORD_ADDER = ( target, record ) ->
    {
        assert !record.inUse() : record + " is kinda weird";
        target.addDeletedRecord( record );
    };

    public static final DynamicRecordAdder PROPERTY_INDEX_DYNAMIC_RECORD_ADDER =
            TokenRecord::addNameRecord;
}