Example usage for com.amazonaws.services.simpleworkflow.model PollForActivityTaskRequest PollForActivityTaskRequest

Introduction

In this page you can find the example usage for com.amazonaws.services.simpleworkflow.model PollForActivityTaskRequest PollForActivityTaskRequest.

Prototype

PollForActivityTaskRequest

Source Link

Usage

From source file:aws.example.helloswf.ActivityWorker.java

License:Apache License

public static void main(String[] args) {
    while (true) {
        System.out.println("Polling for an activity task from the tasklist '" + HelloTypes.TASKLIST
                + "' in the domain '" + HelloTypes.DOMAIN + "'.");

        ActivityTask task = swf.pollForActivityTask(new PollForActivityTaskRequest()
                .withDomain(HelloTypes.DOMAIN).withTaskList(new TaskList().withName(HelloTypes.TASKLIST)));

        String task_token = task.getTaskToken();

        if (task_token != null) {
            String result = null;
            Throwable error = null;

            try {
                System.out.println("Executing the activity task with input '" + task.getInput() + "'.");
                result = sayHello(task.getInput());
            } catch (Throwable th) {
                error = th;/*from ww w .  ja  va  2  s.c  o  m*/
            }

            if (error == null) {
                System.out.println("The activity task succeeded with result '" + result + "'.");
                swf.respondActivityTaskCompleted(
                        new RespondActivityTaskCompletedRequest().withTaskToken(task_token).withResult(result));
            } else {
                System.out.println(
                        "The activity task failed with the error '" + error.getClass().getSimpleName() + "'.");
                swf.respondActivityTaskFailed(new RespondActivityTaskFailedRequest().withTaskToken(task_token)
                        .withReason(error.getClass().getSimpleName()).withDetails(error.getMessage()));
            }
        }
    }
}

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From source file:aws.example.helloswf.ActivityWorkerWithGracefulShutdown.java

License:Apache License

public static void pollAndExecute() {
    while (!terminate) {
        System.out.println("Polling for an activity task from the tasklist '" + HelloTypes.TASKLIST
                + "' in the domain '" + HelloTypes.DOMAIN + "'.");

        ActivityTask task = swf.pollForActivityTask(new PollForActivityTaskRequest()
                .withDomain(HelloTypes.DOMAIN).withTaskList(new TaskList().withName(HelloTypes.TASKLIST)));

        String taskToken = task.getTaskToken();

        if (taskToken != null) {
            String result = null;
            Throwable error = null;

            try {
                System.out.println("Executing the activity task with input '" + task.getInput() + "'.");
                result = executeActivityTask(task.getInput());
            } catch (Throwable th) {
                error = th;/*from w w  w. j ava2s . c o  m*/
            }

            if (error == null) {
                System.out.println("The activity task succeeded with result '" + result + "'.");
                swf.respondActivityTaskCompleted(
                        new RespondActivityTaskCompletedRequest().withTaskToken(taskToken).withResult(result));
            } else {
                System.out.println(
                        "The activity task failed with the error '" + error.getClass().getSimpleName() + "'.");
                swf.respondActivityTaskFailed(new RespondActivityTaskFailedRequest().withTaskToken(taskToken)
                        .withReason(error.getClass().getSimpleName()).withDetails(error.getMessage()));
            }
        }
    }
}

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