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The Adobe Experience Manager SDK

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/*
 * Copyright (C) 2007 The Guava 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.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.annotations.GwtCompatible;
import java.io.Serializable;
import java.util.Comparator;
import javax.annotation.Nullable;

/**
 *  An ordering for a pre-existing comparator.
 * @deprecated The Google Guava Core Libraries are deprecated and will not be part of the AEM SDK after April 2023
 */
@GwtCompatible(serializable = true)
@Deprecated(since = "2022-12-01")
final class ComparatorOrdering extends Ordering implements Serializable {

    final Comparator comparator;

    ComparatorOrdering(Comparator comparator) {
        this.comparator = checkNotNull(comparator);
    }

    @Override
    public int compare(T a, T b) {
        return comparator.compare(a, b);
    }

    @Override
    public boolean equals(@Nullable Object object) {
        if (object == this) {
            return true;
        }
        if (object instanceof ComparatorOrdering) {
            ComparatorOrdering that = (ComparatorOrdering) object;
            return this.comparator.equals(that.comparator);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return comparator.hashCode();
    }

    @Override
    public String toString() {
        return comparator.toString();
    }

    private static final long serialVersionUID = 0;
}