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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.FloatCollection;
import com.koloboke.collect.hash.*;
import com.koloboke.collect.set.hash.HashFloatSetFactory;

import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.Set;


public abstract class QHashFloatSetFactorySO
        extends FloatQHashFactory
            
        implements HashFloatSetFactory {

    QHashFloatSetFactorySO(HashConfig hashConf, int defaultExpectedSize
            ) {
        super(hashConf, defaultExpectedSize);
    }


    MutableQHashFloatSetGO uninitializedMutableSet() {
        return new MutableQHashFloatSet();
    }
    UpdatableQHashFloatSetGO uninitializedUpdatableSet() {
        return new UpdatableQHashFloatSet();
    }
    ImmutableQHashFloatSetGO uninitializedImmutableSet() {
        return new ImmutableQHashFloatSet();
    }

    @Override
    @Nonnull
    public MutableQHashFloatSetGO newMutableSet(int expectedSize) {
        MutableQHashFloatSetGO set = new MutableQHashFloatSet();
        set.init(configWrapper, expectedSize);
        return set;
    }

    @Override
    @Nonnull
    public UpdatableQHashFloatSetGO newUpdatableSet(int expectedSize) {
        UpdatableQHashFloatSetGO set = new UpdatableQHashFloatSet();
        set.init(configWrapper, expectedSize);
        return set;
    }

    @Override
    @Nonnull
    public UpdatableQHashFloatSetGO newUpdatableSet(Iterable elements, int expectedSize) {
        if (elements instanceof FloatCollection) {
            if (elements instanceof SeparateKVFloatQHash) {
                SeparateKVFloatQHash hash = (SeparateKVFloatQHash) elements;
                if (hash.hashConfig().equals(hashConf)) {
                    UpdatableQHashFloatSet set = new UpdatableQHashFloatSet();
                    set.copy(hash);
                    return set;
                }
            }
            int size = elements instanceof Set ? ((Set) elements).size() : expectedSize;
            UpdatableQHashFloatSetGO set = newUpdatableSet(size);
            set.addAll((Collection) elements);
            return set;
        } else {
            int size = elements instanceof Set ? ((Set) elements).size() : expectedSize;
            UpdatableQHashFloatSetGO set = newUpdatableSet(size);
            for (float e : elements) {
                set.add(e);
            }
            return set;
        }
    }
}