com.koloboke.collect.impl.hash.LHashParallelKVObjObjMapFactorySO Maven / Gradle / Ivy

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Carefully designed and efficient extension of the Java Collections Framework with primitive specializations and more, built for Java 8 (Implementation)
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/*
 * Copyright 2014 the original author or authors.
 *
 * 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.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.koloboke.collect.impl.hash;

import com.koloboke.collect.*;
import com.koloboke.collect.hash.*;
import com.koloboke.collect.map.ObjObjMap;
import com.koloboke.collect.map.hash.HashObjObjMapFactory;

import javax.annotation.Nonnull;

import java.util.Map;


public abstract class LHashParallelKVObjObjMapFactorySO
        extends ObjHashFactorySO
        implements HashObjObjMapFactory {

    LHashParallelKVObjObjMapFactorySO(HashConfig hashConf, int defaultExpectedSize,
            boolean isNullKeyAllowed) {
        super(hashConf, defaultExpectedSize, isNullKeyAllowed);
    }

    @Nonnull
    @Override
    public Equivalence getKeyEquivalence() {
        return Equivalence.defaultEquality();
    }

    @Nonnull
    @Override
    Equivalence getEquivalence() {
        return getKeyEquivalence();
    }

    String keySpecialString() {
        return ",keyEquivalence=" + getKeyEquivalence() +
                ",nullKeyAllowed=" + isNullKeyAllowed();
    }

    boolean keySpecialEquals(HashObjObjMapFactory other) {
        return getKeyEquivalence().equals(other.getKeyEquivalence()) &&
                isNullKeyAllowed() == other.isNullKeyAllowed();
    }

    

    

    

    

    

    

    

     MutableLHashParallelKVObjObjMapGO
    uninitializedMutableMap() {
        return new MutableLHashParallelKVObjObjMap();
    }
     UpdatableLHashParallelKVObjObjMapGO
    uninitializedUpdatableMap() {
        return new UpdatableLHashParallelKVObjObjMap();
    }
     ImmutableLHashParallelKVObjObjMapGO
    uninitializedImmutableMap() {
        return new ImmutableLHashParallelKVObjObjMap();
    }

    @Override
    @Nonnull
    public  MutableLHashParallelKVObjObjMapGO newMutableMap(
            int expectedSize) {
        MutableLHashParallelKVObjObjMapGO map = uninitializedMutableMap();
        map.init(configWrapper, expectedSize);
        return map;
    }

    @Override
    @Nonnull
    public  UpdatableLHashParallelKVObjObjMapGO newUpdatableMap(
            int expectedSize) {
        UpdatableLHashParallelKVObjObjMapGO map = uninitializedUpdatableMap();
        map.init(configWrapper, expectedSize);
        return map;
    }

    @Override
    @Nonnull
    public  UpdatableLHashParallelKVObjObjMapGO newUpdatableMap(
            Map map, int expectedSize) {
        if (map instanceof ObjObjMap) {
            @SuppressWarnings("unchecked")
            ObjObjMap objObjMap = (ObjObjMap) map;
            if (map instanceof ParallelKVObjObjLHash) {
                ParallelKVObjObjLHash hash = (ParallelKVObjObjLHash) map;
                if (hash.hashConfig().equals(hashConf) &&
                        objObjMap.keyEquivalence().equals(getKeyEquivalence())) {
                    UpdatableLHashParallelKVObjObjMapGO res =
                            uninitializedUpdatableMap();
                    res.copy(hash);
                    return res;
                }
            }
            UpdatableLHashParallelKVObjObjMapGO res = newUpdatableMap(expectedSize);
            res.putAll(map);
            return res;
        } else {
            UpdatableLHashParallelKVObjObjMapGO res = newUpdatableMap(expectedSize);
            for (Map.Entry entry : map.entrySet()) {
                res.put(entry.getKey(), entry.getValue());
            }
            return res;
        }
    }
}