org.gradle.api.internal.attributes.DefaultOrderedCompatibilityRule Maven / Gradle / Ivy

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/*
 * Copyright 2016 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 org.gradle.api.internal.attributes;

import org.gradle.api.Action;
import org.gradle.api.attributes.CompatibilityCheckDetails;

import java.util.Comparator;

public class DefaultOrderedCompatibilityRule implements Action> {
    private final Comparator comparator;
    private final boolean reverse;

    public DefaultOrderedCompatibilityRule(Comparator comparator, boolean reverse) {
        this.comparator = comparator;
        this.reverse = reverse;
    }

    @Override
    public void execute(CompatibilityCheckDetails details) {
        T consumerValue = details.getConsumerValue();
        T producerValue = details.getProducerValue();
        int cmp = comparator.compare(consumerValue, producerValue);
        if (reverse) {
            cmp = -cmp;
        }
        if (cmp >= 0) {
            details.compatible();
        } else {
            details.incompatible();
        }
    }

}