io.questdb.cairo.map.MapFactory Maven / Gradle / Ivy

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 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2020 QuestDB
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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package io.questdb.cairo.map;

import io.questdb.cairo.CairoConfiguration;
import io.questdb.cairo.CairoException;
import io.questdb.cairo.ColumnTypes;
import io.questdb.std.Chars;
import io.questdb.std.Transient;
import org.jetbrains.annotations.NotNull;

public class MapFactory {
    public static Map createMap(
            CairoConfiguration configuration,
            @Transient @NotNull ColumnTypes keyTypes,
            @Transient @NotNull ColumnTypes valueTypes
    ) {
        CharSequence mapType = configuration.getDefaultMapType();
        if (Chars.equalsLowerCaseAscii(mapType, "fast")) {
            return new FastMap(
                    configuration.getSqlMapPageSize(),
                    keyTypes,
                    valueTypes,
                    configuration.getSqlMapKeyCapacity(),
                    configuration.getSqlFastMapLoadFactor(),
                    configuration.getSqlMapMaxResizes());
        }

        if (Chars.equalsLowerCaseAscii(mapType, "compact")) {
            return new CompactMap(
                    configuration.getSqlMapPageSize(),
                    keyTypes,
                    valueTypes,
                    configuration.getSqlMapKeyCapacity(),
                    configuration.getSqlCompactMapLoadFactor(),
                    configuration.getSqlMapMaxResizes(),
                    configuration.getSqlMapMaxPages()
            );
        }
        throw CairoException.instance(0).put("unknown map type: ").put(mapType);
    }

    public static Map createMap(
            CairoConfiguration configuration,
            @Transient @NotNull ColumnTypes keyTypes) {
        CharSequence mapType = configuration.getDefaultMapType();
        if (Chars.equalsLowerCaseAscii(mapType, "fast")) {
            return new FastMap(
                    configuration.getSqlMapPageSize(),
                    keyTypes,
                    configuration.getSqlMapKeyCapacity(),
                    configuration.getSqlFastMapLoadFactor(),
                    configuration.getSqlMapMaxResizes());
        }

        if (Chars.equalsLowerCaseAscii(mapType, "compact")) {
            return new CompactMap(
                    configuration.getSqlMapPageSize(),
                    keyTypes,
                    null, // todo: test
                    configuration.getSqlMapKeyCapacity(),
                    configuration.getSqlCompactMapLoadFactor(),
                    configuration.getSqlMapMaxResizes(),
                    configuration.getSqlMapMaxPages()
            );
        }
        throw CairoException.instance(0).put("unknown map type: ").put(mapType);
    }

}