com.google.common.collect.ByFunctionOrdering Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aem-sdk-api Show documentation

The Adobe Experience Manager SDK

There is a newer version: 2024.11.18751.20241128T090041Z-241100

/*
 * 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 com.google.common.base.Function;
import com.google.common.base.Objects;
import java.io.Serializable;
import javax.annotation.Nullable;

/**
 *  An ordering that orders elements by applying an order to the result of a
 *  function on those elements.
 *
 * @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 ByFunctionOrdering extends Ordering implements Serializable {

    final Function function;

    final Ordering ordering;

    ByFunctionOrdering(Function function, Ordering ordering) {
        this.function = checkNotNull(function);
        this.ordering = checkNotNull(ordering);
    }

    @Override
    public int compare(F left, F right) {
        return ordering.compare(function.apply(left), function.apply(right));
    }

    @Override
    public boolean equals(@Nullable Object object) {
        if (object == this) {
            return true;
        }
        if (object instanceof ByFunctionOrdering) {
            ByFunctionOrdering that = (ByFunctionOrdering) object;
            return this.function.equals(that.function) && this.ordering.equals(that.ordering);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(function, ordering);
    }

    @Override
    public String toString() {
        return ordering + ".onResultOf(" + function + ")";
    }

    private static final long serialVersionUID = 0;
}