/*
 * Copyright 2019-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.core.rules;

import com.facebook.buck.core.model.BuildTarget;
import com.facebook.buck.core.rules.providers.ProviderInfoCollection;
import com.facebook.buck.core.util.immutables.BuckStyleValue;
import com.facebook.buck.io.filesystem.ProjectFilesystem;
import com.google.common.collect.ImmutableMap;

/**
 * The context given to {@link DescriptionWithTargetGraph#createProviders(ProviderCreationContext,
 * BuildTarget, Object)}.
 *
 * <p>This is to be a subset of {@link BuildRuleCreationContextWithTargetGraph}, plus the {@link
 * ProviderInfoCollection} of all the dependencies.
 */
@BuckStyleValue
public interface ProviderCreationContext {

  /** @return {@link ProviderInfoCollection} of the parse time dependencies */
  ImmutableMap<BuildTarget, ProviderInfoCollection> dependencies();

  /** @return the {@link ProjectFilesystem} for the rule */
  ProjectFilesystem getProjectFilesystem();
}

Add a ProviderCreationContext to be used in Descriptions