travako v2.0.0

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How to use travako?

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To use Travako, follow these steps:

(1) include below dependency in your module (Scheduler Module):

<dependency>
  <groupId>io.arkitik.travako</groupId>
  <artifactId>travako-starter-job-bean</artifactId>
  <version>${arkitik.travako.version}</version>
</dependency>

(2) Implement interface JobInstanceBean as sample as the following:

internal class SampleJob : JobInstanceBean {

  override val trigger = PeriodicTrigger(10_000)  // or CronTrigger("*/10 * * * * *")
  override val jobKey: String = javaClass.simpleName // should be unique per application, so;

  override fun runJob() {
    // Do the processing here.
  }
}

(3) Create a configuration class that defines the job as a bean:

@Configuration
class SampleJobPortContext {
  @Bean
  fun sampleJob(): JobInstanceBean = SampleJob()
}

(4) Add the following dependency to your pom.xml file to enable Travako::

<dependency>
  <groupId>io.arkitik.travako</groupId>
  <artifactId>travako-starter-processor</artifactId>
  <version>${arkitik.travako.version}</version>
</dependency>

(5) Define the configuration properties for Travako in your application.yml file:

arkitik:
  travako:
    config:
      server-key: travako-server
      runner-key: travako-runner-1
      duplication-processor: false
      heartbeat: 5s
      jobs-assignee: 1m
      jobs-event: 30s
      leader-switch: 1h

(6) Choose one of the following dependencies to configure the datasource for Travako::

• Default Spring entityManagerFactory option:

  <dependency>
    <groupId>io.arkitik.travako</groupId>
    <artifactId>travako-starter-spring-jpa-default</artifactId>
    <version>${arkitik.travako.version}</version>
  </dependency>

• Custom Spring entityManagerFactory option.

  <dependency>
    <groupId>io.arkitik.travako</groupId>
    <artifactId>travako-starter-spring-jpa-custom</artifactId>
    <version>${arkitik.travako.version}</version>
  </dependency>

If you choose the custom Spring entityManagerFactory, you also need to add the following configuration to your application.yml:

arkitik:
  travako:
    database:
      datasource:
        url: ${database_url:jdbc:mysql://localhost:3307/travako}
        username: ${database_user:travako}
        password: ${database_password:travako}
        driver-class-name: ${database_driverClass:com.mysql.cj.jdbc.Driver}

TODO:

Add more details about how to use travako service.