TutorialWorkflow.java

package io.temporal.learning;

import java.io.*;
import io.temporal.activity.ActivityOptions;
import io.temporal.workflow.*;

// Create a dynamically linkable @WorkflowInterface
@WorkflowInterface
public interface TutorialWorkflow {
    // Vend a single @WorkflowMethod `startWorkflow` method
    @WorkflowMethod void startWorkflow(String input);
    
    // Implement the @WorkflowMethod `startWorkflow` and vend a prebuilt `activityStub`
    public static class TutorialWorkflowImpl implements TutorialWorkflow {
        
        // Deferred binding determines the implementation at runtime.
        private TutorialActivities activityStub = Workflow.newActivityStub(TutorialActivities.class, TutorialActivities.quickActivityOptions);
        
        // Simple Workflow content: Update this method to do other things.
        @Override
        public void startWorkflow(String input) {
            activityStub.doSomethingFirst(input); // call blocking Activity and await
            activityStub.doSomethingSecond(input); // call blocking Activity and await
        }
    }
}