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Create server outside of cuttle #225

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Feb 13, 2018
Merged

Create server outside of cuttle #225

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25 changes: 25 additions & 0 deletions core/src/main/scala/com/criteo/cuttle/CuttleProject.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,31 @@ class CuttleProject[S <: Scheduling] private[cuttle] (

logger.info(s"Listening on http://localhost:$httpPort")
}

/**
* Connect to database and build routes. It allows you to start externally a server and decide when to start the scheduling.
*
* @param platforms The configured [[ExecutionPlatform ExecutionPlatforms]] to use to execute jobs.
* @param databaseConfig JDBC configuration for MySQL server 5.7.
* @param retryStrategy The strategy to use for execution retry. Default to exponential backoff.
*
* @return a tuple with cuttleRoutes (needed to start a server) and a function to start the scheduler
*/
def build(
platforms: Seq[ExecutionPlatform] = CuttleProject.defaultPlatforms,
databaseConfig: DatabaseConfig = DatabaseConfig.fromEnv,
retryStrategy: RetryStrategy = RetryStrategy.ExponentialBackoffRetryStrategy
): (Service, () => Unit) = {
val xa = Database.connect(databaseConfig)
val executor = new Executor[S](platforms, xa, logger, name)(retryStrategy)

val startScheduler = () => {
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No need to expose that again. It is already available to user code.

logger.info("Start workflow")
scheduler.start(workflow, executor, xa, logger)
}

(App(this, executor, xa).routes, startScheduler)
}
}

/**
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