Ensure Dapr workflows classes and interfaces have proper packages and visibility (#1176)

* Rename orchestrator and activity wrapper

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Move workflow activity to root package

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Move workflow context implementation to runtime

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Rename workflow activity context and add an interface

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Convert workflow abstract class to interface

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Move saga internals to runtime.saga package

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Tiny typo fix

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Adjusting the class names based on feedback

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Revert accidental JavaDocs commits

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

* Fixing some compilation errors

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>

---------

Signed-off-by: Artur Ciocanu <ciocanu@adobe.com>
Co-authored-by: Artur Ciocanu <ciocanu@adobe.com>

Author: artur-ciocanu

dapr-spring/dapr-spring-boot-autoconfigure/src/test/java/io/dapr/spring/boot/autoconfigure/client/workflows/TestActivity.java

@@ -1,7 +1,7 @@
 package io.dapr.spring.boot.autoconfigure.client.workflows;
 
-import io.dapr.workflows.runtime.WorkflowActivity;
-import io.dapr.workflows.runtime.WorkflowActivityContext;
+import io.dapr.workflows.WorkflowActivity;
+import io.dapr.workflows.WorkflowActivityContext;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.client.RestTemplate;
 

dapr-spring/dapr-spring-boot-autoconfigure/src/test/java/io/dapr/spring/boot/autoconfigure/client/workflows/TestWorkflow.java

@@ -5,7 +5,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.client.RestTemplate;
 
-public class TestWorkflow extends Workflow {
+public class TestWorkflow implements Workflow {
 
   @Autowired
   private RestTemplate restTemplate;

dapr-spring/dapr-spring-workflows/src/main/java/io/dapr/spring/workflows/config/DaprWorkflowsConfiguration.java

@@ -1,13 +1,12 @@
 package io.dapr.spring.workflows.config;
 
 import io.dapr.workflows.Workflow;
-import io.dapr.workflows.runtime.WorkflowActivity;
+import io.dapr.workflows.WorkflowActivity;
 import io.dapr.workflows.runtime.WorkflowRuntime;
 import io.dapr.workflows.runtime.WorkflowRuntimeBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.BeansException;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.context.annotation.Configuration;

examples/src/main/java/io/dapr/examples/unittesting/DaprWorkflowExampleTest.java

@@ -42,7 +42,7 @@ public class DaprWorkflowExampleTest {
   private static final String noTimeoutWorkflow = "DemoWorkflowNoTimeout";
   private static final String workflowDefaultId = "demo-workflow-123";
 
-  private class DemoWorkflow extends Workflow {
+  private class DemoWorkflow implements Workflow {
 
     @Override
     public WorkflowStub create() {

examples/src/main/java/io/dapr/examples/workflows/chain/DemoChainWorkflow.java

@@ -16,7 +16,7 @@
 import io.dapr.workflows.Workflow;
 import io.dapr.workflows.WorkflowStub;
 
-public class DemoChainWorkflow extends Workflow {
+public class DemoChainWorkflow implements Workflow {
   @Override
   public WorkflowStub create() {
     return ctx -> {

examples/src/main/java/io/dapr/examples/workflows/chain/ToUpperCaseActivity.java

@@ -13,8 +13,8 @@
 
 package io.dapr.examples.workflows.chain;
 
-import io.dapr.workflows.runtime.WorkflowActivity;
-import io.dapr.workflows.runtime.WorkflowActivityContext;
+import io.dapr.workflows.WorkflowActivity;
+import io.dapr.workflows.WorkflowActivityContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

examples/src/main/java/io/dapr/examples/workflows/childworkflow/DemoChildWorkflow.java

@@ -16,7 +16,7 @@
 import io.dapr.workflows.Workflow;
 import io.dapr.workflows.WorkflowStub;
 
-public class DemoChildWorkflow extends Workflow {
+public class DemoChildWorkflow implements Workflow {
   @Override
   public WorkflowStub create() {
     return ctx -> {

examples/src/main/java/io/dapr/examples/workflows/childworkflow/DemoWorkflow.java

@@ -16,7 +16,7 @@
 import io.dapr.workflows.Workflow;
 import io.dapr.workflows.WorkflowStub;
 
-public class DemoWorkflow extends Workflow {
+public class DemoWorkflow implements Workflow {
   @Override
   public WorkflowStub create() {
     return ctx -> {

examples/src/main/java/io/dapr/examples/workflows/childworkflow/ReverseActivity.java

@@ -13,8 +13,8 @@
 
 package io.dapr.examples.workflows.childworkflow;
 
-import io.dapr.workflows.runtime.WorkflowActivity;
-import io.dapr.workflows.runtime.WorkflowActivityContext;
+import io.dapr.workflows.WorkflowActivity;
+import io.dapr.workflows.WorkflowActivityContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

examples/src/main/java/io/dapr/examples/workflows/continueasnew/CleanUpActivity.java

@@ -13,8 +13,8 @@
 
 package io.dapr.examples.workflows.continueasnew;
 
-import io.dapr.workflows.runtime.WorkflowActivity;
-import io.dapr.workflows.runtime.WorkflowActivityContext;
+import io.dapr.workflows.WorkflowActivity;
+import io.dapr.workflows.WorkflowActivityContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;