org.gradle.composite.internal.IncludedBuildControllers Maven / Gradle / Ivy

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/*
 * 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.composite.internal;

import org.gradle.api.artifacts.component.BuildIdentifier;

import java.util.Collection;

public interface IncludedBuildControllers {
    IncludedBuildControllers EMPTY = new IncludedBuildControllers() {
        @Override
        public void rootBuildOperationStarted() {
        }

        @Override
        public void populateTaskGraphs() {
        }

        @Override
        public void startTaskExecution() {
        }

        @Override
        public void awaitTaskCompletion(Collection taskFailures) {
        }

        @Override
        public void finishBuild(Collection failures) {
        }

        @Override
        public IncludedBuildController getBuildController(BuildIdentifier buildIdentifier) {
            throw new UnsupportedOperationException();
        }
    };

    /**
     * Notify the controllers that the root build operation has started.
     * Should be using something like {@link org.gradle.initialization.RootBuildLifecycleListener} however, this is currently called outside the root build operation.
     */
    void rootBuildOperationStarted();

    void populateTaskGraphs();

    /**
     * Starts running any scheduled tasks. Does nothing when {@link #populateTaskGraphs()} has not been called to schedule the tasks.
     */
    void startTaskExecution();

    /**
     * Blocks until all scheduled tasks have completed.
     */
    void awaitTaskCompletion(Collection taskFailures);

    /**
     * Completes the build, blocking until complete.
     */
    void finishBuild(Collection failures);

    IncludedBuildController getBuildController(BuildIdentifier buildIdentifier);

    class BuildSrcIncludedBuildControllers implements IncludedBuildControllers {
        private final IncludedBuildControllers delegate;

        public BuildSrcIncludedBuildControllers(IncludedBuildControllers delegate) {
            this.delegate = delegate;
        }

        @Override
        public void rootBuildOperationStarted() {
            delegate.rootBuildOperationStarted();
        }

        @Override
        public void populateTaskGraphs() {
            delegate.populateTaskGraphs();
        }

        @Override
        public void startTaskExecution() {
            delegate.startTaskExecution();
        }

        @Override
        public void awaitTaskCompletion(Collection taskFailures) {
            delegate.awaitTaskCompletion(taskFailures);
        }

        @Override
        public void finishBuild(Collection failures) {
            // Do nothing
        }

        @Override
        public IncludedBuildController getBuildController(BuildIdentifier buildIdentifier) {
            return delegate.getBuildController(buildIdentifier);
        }
    }
}