Already added flow control for tasks.

*The next step will be get common model for all
request/response message based on HTTPClient implementation

Change-Id: I76af15ab06cae783b6cec5099510d7f97e9d65c2
Issue-ID: DCAEGEN2-445
Signed-off-by: wasala <przemyslaw.wasala@nokia.com>

1 files changed, 19 insertions, 3 deletions

diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/Task.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/Task.java
index 1bf8f6d3..f5e8b39e 100644
--- a/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/Task.java
+++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/prh/tasks/Task.java
@@ -20,13 +20,29 @@
 package org.onap.dcaegen2.services.prh.tasks;
 
 import org.onap.dcaegen2.services.prh.exceptions.PrhTaskException;
+import org.springframework.http.ResponseEntity;
 
 /**
  * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/13/18
  */
 
-@FunctionalInterface
-public interface Task {
 
-    void execute() throws PrhTaskException;
+public abstract class Task {
+
+    private Task taskProcess;
+
+    public void setNext(Task task) {
+        this.taskProcess = task;
+    }
+
+    public void receiveRequest(Object body) throws PrhTaskException {
+        Object responseEntity = execute(body);
+        if (taskProcess != null) {
+            taskProcess.receiveRequest(responseEntity);
+        }
+    }
+
+    abstract ResponseEntity execute(Object object) throws PrhTaskException;
+
+
 }