/*
* Copyright 2014-present Facebook, Inc.
*
* 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.facebook.buck.model;
import com.google.common.collect.ImmutableSet;
import java.util.Optional;
/**
* When applied to a {@link com.facebook.buck.rules.Description} this indicates that it supports
* flavours.
*
* <p>This is only required to be implemented by Descriptions where the flavored BuildTarget should
* be buildable in a top-level {@link com.facebook.buck.command.Build}. i.e. this should be
* implemented by {@link com.facebook.buck.rules.Description}s where the
* {@com.facebook.buck.rules.TargetNode} may have a flavored {@link
* com.facebook.buck.model.BuildTarget} - it is not required where only the {@link
* com.facebook.buck.rules.BuildRule}s are flavored.
*/
public interface Flavored {
/**
* @param flavors The set of {@link Flavor}s to consider. All must match.
* @return Whether a {@link com.facebook.buck.rules.BuildRule} of the given {@link Flavor} can be
* created.
*/
boolean hasFlavors(ImmutableSet<Flavor> flavors);
default Optional<ImmutableSet<FlavorDomain<?>>> flavorDomains() {
return Optional.empty();
}
}