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Gradle 5.5.1 API redistribution.

There is a newer version: 8.6

/*
 * Copyright 2018 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.execution;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.internal.service.ServiceRegistry;

import javax.annotation.Nonnull;

/**
 * Registry of services provided for already configured projects.
 */
public class ProjectExecutionServiceRegistry implements AutoCloseable {
    private final LoadingCache projectRegistries = CacheBuilder.newBuilder()
        .build(new CacheLoader() {
            @Override
            public ProjectExecutionServices load(@Nonnull ProjectInternal project) {
                return new ProjectExecutionServices(project);
            }
        });

    public  T getProjectService(ProjectInternal project, Class serviceType) {
        return forProject(project).get(serviceType);
    }

    public ServiceRegistry forProject(ProjectInternal project) {
        return projectRegistries.getUnchecked(project);
    }

    @Override
    public void close() {
        for (ProjectExecutionServices registry : projectRegistries.asMap().values()) {
            registry.close();
        }
    }
}