gradle-master/subprojects/composite-builds/src/main/java/org/gradle/composite/internal/BuildControllers.java
/*
 * Copyright 2021 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.internal.build.BuildState;
import org.gradle.internal.build.ExecutionResult;

import java.io.Closeable;

interface BuildControllers extends Closeable {
    /**
     * Finish populating work graphs, once all entry point tasks have been scheduled.
     */
    void populateWorkGraphs();

    /**
     * Runs any scheduled tasks, blocking until complete. Does nothing when {@link #populateWorkGraphs()} has not been called to schedule the tasks.
     * Blocks until all scheduled tasks have completed.
     */
    ExecutionResult<Void> execute();

    /**
     * Locates the controller for a given build, adding it if not present.
     */
    BuildController getBuildController(BuildState build);

    @Override
    void close();
}
