[Backport 2.x] Updated Workflow Interface (#34)

Updated Workflow Interface (#30) * Updated Workflow Interface * Updated method definition to handle input/output --------- (cherry picked from commit 0f0b65d) Signed-off-by: Owais Kazi <[email protected]> Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: Owais Kazi <[email protected]>
opensearch-project · Sep 13, 2023 · 58db87b · 58db87b
1 parent db3316b
commit 58db87b
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diff --git a/src/main/java/org/opensearch/flowframework/workflow/WorkflowData.java b/src/main/java/org/opensearch/flowframework/workflow/WorkflowData.java
@@ -0,0 +1,14 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+package org.opensearch.flowframework.workflow;
+
+/**
+ * Interface for handling the input/output of the building blocks.
+ */
+public interface WorkflowData {}
diff --git a/...arch/flowframework/workflow/Workflow.java → .../flowframework/workflow/WorkflowStep.java b/...arch/flowframework/workflow/Workflow.java → .../flowframework/workflow/WorkflowStep.java
@@ -8,19 +8,26 @@
  */
 package org.opensearch.flowframework.workflow;
 
+import org.opensearch.common.Nullable;
+
 import java.util.concurrent.CompletableFuture;
 
 /**
  * Interface for the workflow setup of different building blocks.
  */
-public interface Workflow {
+public interface WorkflowStep {
 
     /**
      * Triggers the processing of the building block.
-     *
+     * @param data for input/output params of the building blocks.
      * @return CompletableFuture of the building block.
-     * @throws Exception if execution fails
      */
-    CompletableFuture<Workflow> execute() throws Exception;
+    CompletableFuture<WorkflowData> execute(@Nullable WorkflowData data);
+
+    /**
+     *
+     * @return the name of this workflow step.
+     */
+    String getName();
 
 }