Refactor Status to be immutable

Change Status class to be immutable.
Add convenience method to convert from a LCMCommandStatus to
a Status object.

Change-Id: I9e47750d15b5ee0f5649b2fabf6387aa12ff9c9d
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>

4 files changed, 8 insertions, 20 deletions

diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/CommandTask.java b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/CommandTask.java
index 6418002c2..0037434ff 100644
--- a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/CommandTask.java
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/CommandTask.java
@@ -119,8 +119,4 @@ public abstract class CommandTask<M> implements Runnable {
         this.onRequestCompletion(commandRequest,commandResponse);
     }
 
-    public static void fillStatus(Status status, LCMCommandStatus lcmCommandStatus, Params params) {
-        status.setCode(lcmCommandStatus.getResponseCode());
-        status.setMessage(lcmCommandStatus.getFormattedMessage(params));
-    }
 }
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMCommandTask.java b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMCommandTask.java
index 6e64a546b..9f7c13513 100644
--- a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMCommandTask.java
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMCommandTask.java
@@ -147,22 +147,19 @@ public class LCMCommandTask extends CommandTask<LCMCommandRequest> {
 			isAAIUpdated= postVnfdata(vnfId, nextState,"onRequestExecutionStart",ctx);
 		} catch (NoTransitionDefinedException e) {
 			logger.error("Error getting Next State for AAI Update:  " + e.getMessage(), e);
-			Status status = request.getCommandExecutorInput().getRuntimeContext().getResponseContext().getStatus();
 			Params params = new Params().addParam("actionName",e.event).addParam("currentState",e.currentState);
-			fillStatus(status, LCMCommandStatus.NO_TRANSITION_DEFINE_FAILURE, params);
+			request.getCommandExecutorInput().getRuntimeContext().getResponseContext().setStatus(LCMCommandStatus.NO_TRANSITION_DEFINE_FAILURE.toStatus(params));
 			isAAIUpdated = false;
 		} catch (UnstableVNFException e) {
 			logger.error(e.getMessage(), e);
-			Status status = request.getCommandExecutorInput().getRuntimeContext().getResponseContext().getStatus();
 			Params params = new Params().addParam("vnfId",vnfId);
-			fillStatus(status, LCMCommandStatus.UNSTABLE_VNF_FAILURE, params);
+			request.getCommandExecutorInput().getRuntimeContext().getResponseContext().setStatus(LCMCommandStatus.UNSTABLE_VNF_FAILURE.toStatus(params));
 			isAAIUpdated = false;
 		}catch (Exception e) {
 			logger.error("Error before Request Execution starts.", e);
-			Status status = request.getCommandExecutorInput().getRuntimeContext().getResponseContext().getStatus();
 			String errorMsg = StringUtils.isEmpty(e.getMessage()) ? e.toString() : e.getMessage();
 			Params params = new Params().addParam("errorMsg",errorMsg);
-			fillStatus(status, LCMCommandStatus.UNEXPECTED_FAILURE, params);
+			request.getCommandExecutorInput().getRuntimeContext().getResponseContext().setStatus(LCMCommandStatus.UNEXPECTED_FAILURE.toStatus(params));
 			isAAIUpdated =  false;
 		}
 
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMReadonlyCommandTask.java b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMReadonlyCommandTask.java
index 137a2e4b5..201662a6c 100644
--- a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMReadonlyCommandTask.java
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/main/java/org/openecomp/appc/executor/impl/LCMReadonlyCommandTask.java
@@ -67,15 +67,13 @@ public class LCMReadonlyCommandTask extends CommandTask<LCMReadOnlyCommandReques
             super.execute();
         } catch (UnstableVNFException e) {
             logger.error(e.getMessage(), e);
-            Status status = request.getCommandExecutorInput().getRuntimeContext().getResponseContext().getStatus();
             Params params = new Params().addParam("vnfId",vnfId);
-            fillStatus(status, LCMCommandStatus.UNSTABLE_VNF_FAILURE, params);
+            request.getCommandExecutorInput().getRuntimeContext().getResponseContext().setStatus(LCMCommandStatus.UNSTABLE_VNF_FAILURE.toStatus(params));
         }catch (Exception e) {
             logger.error("Error during runing LCMReadonlyCommandTask.", e);
-            Status status = request.getCommandExecutorInput().getRuntimeContext().getResponseContext().getStatus();
             String errorMsg = StringUtils.isEmpty(e.getMessage()) ? e.toString() : e.getMessage();
             Params params = new Params().addParam("errorMsg",errorMsg);
-            fillStatus(status, LCMCommandStatus.UNEXPECTED_FAILURE, params);
+            request.getCommandExecutorInput().getRuntimeContext().getResponseContext().setStatus(LCMCommandStatus.UNEXPECTED_FAILURE.toStatus(params));
         }
     }
 }
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/test/java/org/openecomp/appc/executor/TestCommandExecutionTask.java b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/test/java/org/openecomp/appc/executor/TestCommandExecutionTask.java
index 0504c3998..d1adb21b2 100644
--- a/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/test/java/org/openecomp/appc/executor/TestCommandExecutionTask.java
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-core/src/test/java/org/openecomp/appc/executor/TestCommandExecutionTask.java
@@ -192,9 +192,7 @@ public class TestCommandExecutionTask {
 		requestContext.setAction(action);
 		runtimeContext.setRpcName(action.name().toLowerCase());
 		commonHeader.setApiVer(API_VERSION);
-		Status status = new Status();
-		status.setCode(100);
-		responseContext.setStatus(status);
+		responseContext.setStatus(new Status(100, null));
 		commonHeader.setRequestId(responseId);
 		responseContext.setPayload(payload);
 		commonHeader.setTimestamp(new Date());
@@ -247,7 +245,7 @@ public class TestCommandExecutionTask {
 		ResponseContext responseContext = createResponseContextWithSuObjects();
 		wfResponse.setResponseContext(responseContext);
 		responseContext.setPayload("");
-		wfResponse.getResponseContext().getStatus().setCode(100);
+		wfResponse.getResponseContext().setStatus(new Status(100, null));
 		return wfResponse;
 	}
 
@@ -301,9 +299,8 @@ public class TestCommandExecutionTask {
 		ResponseContext responseContext = new ResponseContext();
 		CommonHeader commonHeader = new CommonHeader();
 		Flags flags = new Flags();
-		Status status = new Status();
 		responseContext.setCommonHeader(commonHeader);
-		responseContext.setStatus(status);
+		responseContext.setStatus(new Status(0, null));
 		commonHeader.setFlags(flags);
 		return responseContext;
 	}