}

    @Deprecated("Deprecated in Java")
    override fun beforeTask(closure: Closure<*>) {
        @Suppress("DEPRECATION")
        delegate.beforeTask(closure)
    }

    @Deprecated("Deprecated in Java")
    override fun beforeTask(action: Action<Task>) {
        @Suppress("DEPRECATION")
        delegate.beforeTask(action)
    }

    @Deprecated("Deprecated in Java")

tasks.register('ok')

tasks.register('broken') {
    dependsOn ok
    doLast {
        throw new RuntimeException('broken')
    }
}

gradle.taskGraph.beforeTask { Task task ->
    println "executing $task ..."
}

gradle.taskGraph.afterTask { Task task, TaskState state ->
    if (state.failure) {
        println "FAILED"
    }
    else {
        println "done"
    }

tasks.register("ok")

tasks.register("broken") {
    dependsOn("ok")
    doLast {
        throw RuntimeException("broken")
    }
}

gradle.taskGraph.beforeTask {
    println("executing $this ...")
}

gradle.taskGraph.afterTask {
    if (state.failure != null) {
        println("FAILED")
    } else {
        println("done")
    }

        run("broken")

        then:
        noExceptionThrown()

        where:
        path                          | registrationPoint
        "gradle.taskGraph.beforeTask" | "TaskExecutionGraph.beforeTask"
        "gradle.taskGraph.afterTask"  | "TaskExecutionGraph.afterTask"
    }

    @UnsupportedWithConfigurationCache(because = "tests listener behaviour")

     *
     * @param closure The closure to execute when a task is about to be executed.
     * @deprecated This method is not supported when configuration caching is enabled.
     */
    @Deprecated
    void beforeTask(Closure closure);

    /**
     * <p>Adds an action to be called immediately before a task is executed. The task is passed to the action as a
     * parameter.</p>
     *

 *
 * That is, this operation does not represent just the execution of task actions.
 *
 * This operation can fail _and_ yield a result.
 * If the operation gets as far as invoking the task executer
 * (i.e. beforeTask callbacks did not fail), then a result is expected.
 * If the task execution fails, or if afterTask callbacks fail, an operation failure is expected _in addition_.
 */

        result.buildFailure == null
        result.clientFailure == null

        and:
        1 * buildController.fromBuildModel(_, _) >> { Boolean b, BuildTreeModelAction modelAction ->
            modelAction.beforeTasks(modelController)
            modelAction.fromBuildModel(modelController)
        }
        1 * projectsLoadedAction.execute(_) >> result1
        1 * buildFinishedAction.execute(_) >> result2

    ) {
        this.defaultTarget = defaultTarget;
        this.actionRunner = actionRunner;
    }

    @Override
    public <T> void beforeTasks(BuildTreeModelAction<? extends T> action) {
        action.beforeTasks(new DefaultBuildTreeModelController());
    }

    @Override
    public <T> T fromBuildModel(BuildTreeModelAction<? extends T> action) {

    private val delegate: BuildTreeModelCreator,
    private val cache: BuildTreeConfigurationCache
) : BuildTreeModelCreator {
    override fun <T : Any> beforeTasks(action: BuildTreeModelAction<out T>) {
        cache.maybePrepareModel {
            delegate.beforeTasks(action)
        }
    }

    override fun <T : Any?> fromBuildModel(action: BuildTreeModelAction<out T>): T? {
        return cache.loadOrCreateModel {

 * limitations under the License.
 */

package org.gradle.internal.buildtree;

import javax.annotation.Nullable;

public interface BuildTreeModelAction<T> {
    void beforeTasks(BuildTreeModelController controller);

    @Nullable
    T fromBuildModel(BuildTreeModelController controller);