*
 * Recurrence
 * ----------
 *
 * Tasks control their recurrence schedule. The [runOnce] function returns -1L to signify that the
 * task should not be executed again. Otherwise it returns a delay until the next execution.
 *
 * A task has at most one next execution. If the same task instance is scheduled multiple times, the
 * earliest one wins. This applies to both executions scheduled with [TaskRunner.Queue.schedule] and

Dans votre *fonction de chemin*, passez votre fonction de tâche à l'objet de type `BackgroundTasks` (`background_tasks` ici) grâce à la méthode `.add_task()` :


```Python hl_lines="14"
{!../../../docs_src/background_tasks/tutorial001.py!}
```

`.add_task()` reçoit comme arguments :

* Une fonction de tâche à exécuter en arrière-plan (`write_notification`).

  }

  @Test fun taskFailsWithUncheckedException() {
    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(100)) {
      log.put("failing task running")
      throw RuntimeException("boom!")
    }

    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(200)) {
      log.put("normal task running")
      return@schedule -1L
    }

    queue.idleLatch().await(500, TimeUnit.MILLISECONDS)

        if (subprojectsJson.asFile.readText() != generateSubprojectsJson()) {
            throw GradleException(
                "New project(s) added without updating subproject JSON. Please run `:${GenerateSubprojectsInfo.TASK_NAME}` task."
            )
        }
    }

```

Dans cet exemple, nous n'avons déclaré aucun modèle Pydantic. En fait, le corps de la requête n'est même pas <abbr title="converti d'un format simple, comme des octets, en objets Python">parsé</abbr> en tant que JSON, il est lu directement en tant que `bytes`, et la fonction `magic_data_reader()` serait chargé de l'analyser d'une manière ou d'une autre.

Néanmoins, nous pouvons déclarer le schéma attendu pour le corps de la requête.

 */

package gradlebuild.binarycompatibility

import org.gradle.api.GradleException
import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.TaskAction


/**
 * This [Task][org.gradle.api.Task] checks that the contents of a given accepted API changes file
 * are present in alphabetical order (by type, then member), and throws an exception and reports
 * any changes that are not.
 */
@CacheableTask

import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.InputFile
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity


/**
 * Abstract base class for [Task][org.gradle.api.Task]s that verify and manipulate the given accepted API changes file.
 */
@CacheableTask
abstract class AbstractAcceptedApiChangesMaintenanceTask : DefaultTask() {
    @get:InputFile

package gradlebuild.binarycompatibility

import com.google.gson.Gson
import com.google.gson.GsonBuilder
import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.TaskAction


/**
 * This [Task][org.gradle.api.Task] reorders the changes in an accepted API changes file
 * so that they are alphabetically sorted (by type, then member).
 */
@CacheableTask

[2020-01-01 00:00:00] << 0x00000003     0 DATA          END_STREAM
[2020-01-01 00:00:00] << 0x00000000     8 GOAWAY
[2020-01-01 00:00:05] << 0x00000000     8 GOAWAY
```

### Task Runner Logging 

This logs task enqueues, starts, and finishes.

```
[2020-01-01 00:00:00] Q10000 scheduled after   0 µs: OkHttp ConnectionPool
[2020-01-01 00:00:00] Q10000 starting              : OkHttp ConnectionPool

    params {
        text(
            testTaskParameterName,
            ":core:embeddedIntegTest",
            display = ParameterDisplay.PROMPT,
            allowEmpty = false,
            description = "The test task you want to run"
        )
        text(
            testNameParameterName,
            """org.gradle.api.tasks.CachedTaskExecutionIntegrationTest.outputs*are*correctly*loaded*from*cache""",