@ThreadSafe
public interface PlanExecutor {
    /**
     * Executes a {@link WorkSource}, blocking until complete.
     *
     * @param workSource the work to execute.
     * @param worker the actual executor responsible to execute the nodes. Must be thread-safe.
     */
    <T> ExecutionResult<Void> process(WorkSource<T> workSource, Action<T> worker);

    /**

    void isDaemon(def action) {
        def runnable = unwrapAction(action)
        def executor = unwrapExecutor(runnable)
        assert executor instanceof DaemonClient
    }

    void isInProcess(def action) {
        def runnable = unwrapAction(action)
        def executor = unwrapExecutor(runnable)
        assert executor instanceof RunInProcess
    }

    void isSingleUseDaemon(def action) {

        )
    }

    def "doesn't do anything if rule is null"() {
        def id = new Id('Alicia')

        when:
        executor.execute(id, null, detailsToResult, onCacheMiss, cachePolicy)

        then:
        0 * _
    }

    def "executes the rule without caching if the rule is not cacheable"() {
        withNonCacheableToUpperCaseRule()
        def id = new Id('Alicia')

        when:

    def workerLeaseService = Mock(WorkerLeaseService)
    def workerLease = Mock(WorkerLeaseRegistry.WorkerLease)
    def executor = new DefaultPlanExecutor(new DefaultWorkerLimits(1), executorFactory, workerLeaseService, cancellationHandler, coordinationService, new DefaultInternalOptions([:]))

    def "executes tasks until no further tasks remain"() {
        def gradle = Mock(Gradle)
        def project = Mock(Project)

                }
            }
        }
    }
}
"""
        executer.withArgument('--parallel')
        executer.withArgument('--max-workers=3') // needs to be set to the maximum number of expectConcurrentExecution() calls
        executer.withArgument('--info')
    }

    def "executes dependency project targets concurrently"() {
        projectDependency from: 'a', to: ['b', 'c', 'd']

 * limitations under the License.
 */
package org.gradle.docs.samples;

import org.gradle.api.GradleException;
import org.gradle.exemplar.executor.CommandExecutor;
import org.gradle.exemplar.executor.ExecutionMetadata;
import org.gradle.exemplar.model.Command;
import org.gradle.exemplar.model.Sample;
import org.gradle.exemplar.test.runner.SamplesRunner;

   * calling thread. Tasks are run to completion before a {@code Future} is returned to the caller
   * (unless the executor has been shutdown).
   *
   * <p>The returned executor is backed by the executor returned by {@link
   * MoreExecutors#newDirectExecutorService} and subject to the same constraints.
   *

    private final SyncPoint syncPoint = new SyncPoint();

    /**
     * Creates an Executor which the test can control.
     */
    protected ExecutorService getExecutor() {
        if (executor == null) {
            executor = new ExecutorImpl();
        }
        return executor;
    }

    /**
     * Creates an ExecutorFactory for the test to use.
     */

                    dir = rootDir
                    tasks = ["jar"]
                }
            }
        """
        executer.withArguments("--parallel", "--info")
        expect:
        succeeds("clean", "breakBuild")
        // This fails when running with the forking executor
        succeeds("clean", "breakBuild")
    }

        // Gradle needs to be isolated so that msbuild does not leave behind daemons
        assert executer.distribution.gradleHomeDir != null
        assert !executer.usesSharedDaemons()
        def executer = new MSBuildExecutor(testDirectory, toolChain)
        executer.withArgument('/p:Platform=Win32')
        return executer
    }

    protected SolutionFile solutionFile(String path) {
        return solutionFile(file(path))