org.gradle.api.internalivyservice.ivyresolve.strategy.VersionSelector Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of gradle-api Show documentation
Show all versions of gradle-api Show documentation
Gradle 6.9.1 API redistribution.
/*
* Copyright 2014 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;
/**
* Implementations of version selector are expected to be immutable and thread-safe.
*/
public interface VersionSelector {
/**
* Indicates if the given version selector is dynamic.
*/
boolean isDynamic();
/**
* Indicates if module metadata is required to determine if the
* selector matches a candidate version.
*/
boolean requiresMetadata();
/**
* Indicates if the selector implies that it matches only a single version.
*/
boolean matchesUniqueVersion();
/**
* Indicates if the selector matches the given candidate version.
* Only called if {@link #requiresMetadata()} returned {@code false}.
*
* @param candidate the candidate version
*/
boolean accept(String candidate);
/**
* Indicates if the selector matches the given candidate version.
* Only called if {@link #requiresMetadata()} returned {@code false}.
*
* @param candidate the candidate version
*/
boolean accept(Version candidate);
/**
* Indicates if the selector matches the given candidate version
* (whose metadata is provided). May also be called if {@link #isDynamic} returned
* {@code false}, in which case it should return the same result as
* {@code accept(candidate.getId().getVersion()}.
*
* @param candidate the metadata for the candidate version
*/
boolean accept(ComponentMetadata candidate);
/**
* Indicates if a version selector can be used to short-circuit selection, whenever a different
* version has been selected previously. Typically, an exact version selector can short-circuit,
* in the sense that it will always return a correct answer whenever exposed to a version. But a
* "latest" selector will give a different answer whether is called first, or starting with a
* pre-selected version.
*
* @return true if this selector can short-circuit
*/
boolean canShortCircuitWhenVersionAlreadyPreselected();
/**
* Returns this selector as a string.
*
* @return a stringy representation of this selector
*/
String getSelector();
}