gradle-master/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/ivyservice/ivyresolve/strategy/AbstractVersionSelector.java
/*
 * Copyright 2017 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.artifacts.ivyservice.ivyresolve.strategy;

import org.gradle.api.artifacts.ComponentMetadata;

abstract class AbstractVersionSelector implements VersionSelector {
    private final String selector;

    protected AbstractVersionSelector(String selector) {
        this.selector = selector;
    }

    @Override
    public String getSelector() {
        return selector;
    }

    @Override
    public boolean accept(ComponentMetadata candidate) {
        return accept(candidate.getId().getVersion());
    }

    @Override
    public boolean canShortCircuitWhenVersionAlreadyPreselected() {
        return true;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        AbstractVersionSelector that = (AbstractVersionSelector) o;

        return selector.equals(that.selector);
    }

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