com.koloboke.collect.impl.hash.DHashObjSetFactoryImpl 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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/* with DHash|QHash|LHash hash */
/*
 * 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.Equivalence;
import com.koloboke.collect.hash.*;
import com.koloboke.collect.set.hash.HashObjSetFactory;

import javax.annotation.Nonnull;


public final class DHashObjSetFactoryImpl extends DHashObjSetFactoryGO {

    /** For ServiceLoader */
    public DHashObjSetFactoryImpl() {
        this(HashConfig.getDefault(), 10, false);
    }

    /* define commonArgDef //HashConfig hashConf, int defaultExpectedSize, boolean isNullKeyAllowed
    // enddefine */

    /* define commonArgApply //hashConf, defaultExpectedSize, isNullKeyAllowed// enddefine */

    /* define commonArgGet //getHashConfig(), getDefaultExpectedSize(), isNullKeyAllowed()
    // enddefine */

    public DHashObjSetFactoryImpl(/* commonArgDef */) {
        super(/* commonArgApply */);
    }

    @SuppressWarnings("unchecked")
    @Override
    @Nonnull
    public HashObjSetFactory withEquivalence(@Nonnull Equivalence equivalence) {
        if (equivalence.equals(Equivalence.defaultEquality())) {
            return (HashObjSetFactory) this;
        }
        return new WithCustomEquivalence(/* commonArgGet */, (Equivalence) equivalence);
    }

    @Override
    @Nonnull
    public HashObjSetFactory withNullKeyAllowed(boolean nullAllowed) {
        if (nullAllowed == isNullKeyAllowed())
            return this;
        return thisWith(getHashConfig(), getDefaultExpectedSize(), nullAllowed);
    }

    @Override
    HashObjSetFactory thisWith(/* commonArgDef */) {
        return new DHashObjSetFactoryImpl(/* commonArgApply */);
    }

    /* with DHash|QHash|LHash hash */
    @Override
    HashObjSetFactory dHashLikeThisWith(/* commonArgDef */) {
        return new DHashObjSetFactoryImpl(/* commonArgApply */);
    }
    /* endwith */

    static final class WithCustomEquivalence extends DHashObjSetFactoryGO {
        final Equivalence equivalence;

        public WithCustomEquivalence(/* commonArgDef */, Equivalence equivalence) {
            super(/* commonArgApply */);
            this.equivalence = equivalence;
        }

        @Override
        @Nonnull
        public Equivalence getEquivalence() {
            return equivalence;
        }

        /* with Mutable|Updatable|Immutable mutability */
        @Override
         MutableDHashObjSetGO uninitializedMutableSet() {
            MutableDHashObjSet.WithCustomEquivalence set =
                    new MutableDHashObjSet.WithCustomEquivalence();
            set.equivalence = equivalence;
            return set;
        }
        /* endwith */

        @SuppressWarnings("unchecked")
        @Override
        @Nonnull
        public HashObjSetFactory withEquivalence(@Nonnull Equivalence equivalence) {
            if (equivalence.equals(Equivalence.defaultEquality()))
                return new DHashObjSetFactoryImpl(/* commonArgGet */);
            if (this.equivalence.equals(equivalence)) {
                return (HashObjSetFactory) this;
            }
            return new WithCustomEquivalence(/* commonArgGet */, (Equivalence) equivalence);
        }

        @Override
        @Nonnull
        public HashObjSetFactory withNullKeyAllowed(boolean nullAllowed) {
            if (nullAllowed == isNullKeyAllowed())
                return this;
            return thisWith(getHashConfig(), getDefaultExpectedSize(), nullAllowed);
        }

        @Override
        HashObjSetFactory thisWith(/* commonArgDef */) {
            return new WithCustomEquivalence(/* commonArgApply */, equivalence);
        }

        /* with DHash|QHash|LHash hash */
        @Override
        HashObjSetFactory dHashLikeThisWith(/* commonArgDef */) {
            return new DHashObjSetFactoryImpl.WithCustomEquivalence(
                /* commonArgApply */, equivalence);
        }
        /* endwith */
    }
}