[GitHub] [openwhisk-runtime-java] ningyougang commented on pull request #140: Support array result include sequence action

[GitBox <gi...@apache.org>]

ningyougang commented on PR #140:
URL: https://github.com/apache/openwhisk-runtime-java/pull/140#issuecomment-1193703280

   Test `make java runtime to support array result for sequence action (support array as input param)`'s steps as below
   * Write Split.java and Sort.java
   ```java
   [root@nccddev130026 ~]# cat ~/Split.java 
   import com.google.gson.JsonArray;
   import com.google.gson.JsonObject;
   
   public class Split {
       public static JsonArray main(JsonObject args) {
           String separator = "\n";
           if (args.has("separator")) {
               separator = args.getAsJsonPrimitive("separator").getAsString();
           }
           String payLoad = "aaaa\nbbbb\ncccc";
           if (args.has("payload")) {
               payLoad = args.getAsJsonPrimitive("payload").getAsString();
           }
           JsonArray jsonArray = new JsonArray();
           String[] stringArray = payLoad.split(separator);
           for(String element: stringArray) {
               jsonArray.add(element);
           }
           return jsonArray;
       }
   }
   
   [root@nccddev130026 ~]# cat ~/Sort.java 
   import com.google.gson.JsonArray;
   
   public class Sort {
       public static JsonArray main(JsonArray args) {
           JsonArray newJsonArray = new JsonArray();
           for(int i=args.size()-1;i>=0;i--) {
               newJsonArray.add(args.get(i).getAsString());
           }
           return newJsonArray;
       }
   }
   ```
   * Create java sequence action & invoke it
   ```shell
   javac -classpath "/root/gson-2.9.0.jar" Split.java
   jar cvf split.jar Split.class
   wsk -i action create /whisk.system/utils/split-java split.jar --main Split --kind java:8
   
   javac -classpath "/root/gson-2.9.0.jar" Sort.java
   jar cvf sort.jar Sort.class
   
   wsk -i action create /whisk.system/utils/sort-java sort.jar --main Sort --kind java:8
   wsk -i action create mySequence-java --sequence /whisk.system/utils/split-java,/whisk.system/utils/sort-java
   wsk -i action invoke --result mySequence-java --param payload "aaaa\nbbbb\ncccc" -r -v
   ```


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