camunda

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这个是别人翻译的官方文档： https://blog.csdn.net/zoollcar/article/details/117351192

这个是官方文档： Get started with Camunda | docs.camunda.org

任务列表：http://localhost:8080/camunda/app/tasklist/

查看部署结果： http://localhost:8080/camunda/app/cockpit/default/#/processes

step:

抄官方文档的：

pom：

        <dependency>
            <groupId>org.camunda.bpm</groupId>
            <artifactId>camunda-external-task-client</artifactId>
            <version>7.15.0</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.6.1</version>
        </dependency>
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.1</version>
        </dependency>

java:

public class ChargeCardWorker {
    private final static Logger LOGGER = Logger.getLogger(ChargeCardWorker.class.getName());

    public static void main(String[] args) {
        ExternalTaskClient client = ExternalTaskClient.create()
                .baseUrl("http://localhost:8080/engine-rest")
                .asyncResponseTimeout(10000) // long polling timeout
                .build();

        // subscribe to an external task topic as specified in the process
        client.subscribe("charge-card")
                .lockDuration(1000) // the default lock duration is 20 seconds, but you can override this
                .handler((externalTask, externalTaskService) -> {
                    // Put your business logic here

                    // Get a process variable
                    String item = (String) externalTask.getVariable("item");
                    Long amount = (Long) externalTask.getVariable("amount");

                    LOGGER.info("Charging credit card with an amount of '" + amount + "'€ for the item '" + item + "'...");

                    try {
                        Desktop.getDesktop().browse(new URI("https://docs.camunda.org/get-started/quick-start/complete"));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }

                    // Complete the task
                    externalTaskService.complete(externalTask);
                })
                .open();
    }
}

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