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/*
 * (c) Copyright 2024 Palantir Technologies Inc. All rights reserved.
 *
 * 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.palantir.conjure.java.lib.internal;

import com.palantir.conjure.java.lib.SafeLong;
import java.util.AbstractList;
import java.util.Collection;
import java.util.RandomAccess;
import org.eclipse.collections.impl.list.mutable.primitive.LongArrayList;
import org.eclipse.collections.impl.utility.Iterate;

/**
 * ConjureSafeLongList is a boxed list wrapper for the eclipse-collections LongArrayList. This handles boxing/unboxing
 * with SafeLongs.
 */
final class ConjureSafeLongList extends AbstractList implements RandomAccess {
    private final LongArrayList delegate;

    ConjureSafeLongList(LongArrayList delegate) {
        this.delegate = delegate;
    }

    @Override
    public int size() {
        return delegate.size();
    }

    @Override
    public void add(int index, SafeLong toAdd) {
        delegate.addAtIndex(index, toAdd.longValue());
    }

    @Override
    public SafeLong get(int index) {
        return SafeLong.of(delegate.get(index));
    }

    @Override
    public boolean addAll(int index, Collection collection) {
        long[] target = new long[collection.size()];
        Iterate.forEachWithIndex(collection, (each, parameter) -> target[parameter] = each.longValue());
        return delegate.addAllAtIndex(index, target);
    }

    @Override
    public SafeLong remove(int index) {
        return SafeLong.of(delegate.removeAtIndex(index));
    }

    @Override
    public void clear() {
        delegate.clear();
    }

    @Override
    public SafeLong set(int index, SafeLong element) {
        return SafeLong.of(delegate.set(index, element.longValue()));
    }
}