Add output parameter support in Operation screen

Added code to support Output parameter, fixed UTs, Added flow test

Change-Id: I4ff869d120cefd7645a407278caeea6ee695c73b
Issue-ID: SDC-1440
Signed-off-by: mojahidi <mojahidul.islam@amdocs.com>

15 files changed, 249 insertions, 20 deletions

diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidation.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidation.java
index aa58c14227..e57c7b9496 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidation.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidation.java
@@ -89,6 +89,13 @@ public class InterfaceOperationValidation {
         if(inputParametersResponse.isRight()) {
             return Either.right(inputParametersResponse.right().value());
         }
+
+        Either<Boolean, ResponseFormat> outputParametersResponse = validateOutputParameters(interfaceOperation,
+                responseFormatManager);
+        if(outputParametersResponse.isRight()) {
+            return Either.right(outputParametersResponse.right().value());
+        }
+
         return Either.left(Boolean.TRUE);
     }
 
@@ -223,6 +230,28 @@ public class InterfaceOperationValidation {
         return Either.left(Boolean.TRUE);
     }
 
+
+    private Either<Boolean, ResponseFormat> validateOutputParameters(Operation interfaceOperation,
+                                                                    ResponseFormatManager responseFormatManager) {
+        if (isOutputParameterNameEmpty(interfaceOperation)) {
+            LOGGER.error("Interface operation output  parameter name can't be empty");
+            ResponseFormat inputResponse = responseFormatManager.getResponseFormat(ActionStatus
+                    .INTERFACE_OPERATION_OUTPUT_NAME_MANDATORY);
+            return Either.right(inputResponse);
+        }
+
+        Either<Boolean, Set<String>> validateOutputParametersUniqueResponse = isOutputParametersUnique(interfaceOperation);
+        if(validateOutputParametersUniqueResponse.isRight()) {
+            LOGGER.error("Interface operation output  parameter names {} already in use",
+                    validateOutputParametersUniqueResponse.right().value().toString());
+            ResponseFormat inputResponse = responseFormatManager.getResponseFormat(ActionStatus
+                    .INTERFACE_OPERATION_OUTPUT_NAME_ALREADY_IN_USE, validateOutputParametersUniqueResponse.right().value().toString());
+            return Either.right(inputResponse);
+        }
+        return Either.left(Boolean.TRUE);
+    }
+
+
     private Either<Boolean, Set<String>> isInputParametersUnique(Operation operationDataDefinition) {
         Set<String> inputParamNamesSet = new HashSet<>();
         Set<String> duplicateParamNamesToReturn = new HashSet<>();
@@ -238,11 +267,29 @@ public class InterfaceOperationValidation {
         return Either.left(Boolean.TRUE);
     }
 
+    private Either<Boolean, Set<String>> isOutputParametersUnique(Operation operationDataDefinition) {
+        Set<String> outputParamNamesSet = new HashSet<>();
+        Set<String> duplicateParamNamesToReturn = new HashSet<>();
+        operationDataDefinition.getOutputs().getListToscaDataDefinition()
+                .forEach(outputParam -> {
+                    if(!outputParamNamesSet.add(outputParam.getName().trim())) {
+                        duplicateParamNamesToReturn.add(outputParam.getName().trim());
+                    }
+                });
+        if(!duplicateParamNamesToReturn.isEmpty()) {
+            return Either.right(duplicateParamNamesToReturn);
+        }
+        return Either.left(Boolean.TRUE);
+    }
+
     private Boolean isInputParameterNameEmpty(Operation operationDataDefinition) {
         return operationDataDefinition.getInputs().getListToscaDataDefinition().stream()
                 .anyMatch(inputParam -> inputParam.getName() == null || inputParam.getName().trim().equals(StringUtils.EMPTY));
     }
-
+    private Boolean isOutputParameterNameEmpty(Operation operationDataDefinition) {
+        return operationDataDefinition.getInputs().getListToscaDataDefinition().stream()
+                .anyMatch(inputParam -> inputParam.getName() == null || inputParam.getName().trim().equals(StringUtils.EMPTY));
+    }
 
     private boolean validateOperationTypeUniqueForUpdate(Operation interfaceOperation,
                                                          Map<String, String> operationTypes) {
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverter.java b/catalog-be/src/main/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverter.java
index 78b2354615..2db551643c 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverter.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverter.java
@@ -23,6 +23,7 @@ import org.openecomp.sdc.be.datatypes.elements.InterfaceOperationDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.InterfaceOperationParamDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationOutputDefinition;
 import org.openecomp.sdc.be.model.Operation;
 
 public class InterfaceUIDataConverter {
@@ -40,11 +41,21 @@ public class InterfaceUIDataConverter {
                       interfaceOperationParamDataDefinition.getParamId())).collect(Collectors.toList());
       inputList.forEach(inputs::add);
     }
+    ListDataDefinition<InterfaceOperationParamDataDefinition> outputParams = interfaceOperation.getOutputParams();
+    ListDataDefinition<OperationOutputDefinition> outputs = new ListDataDefinition<>();
+    if(outputParams != null) {
+      List<OperationOutputDefinition> outputList = outputParams.getListToscaDataDefinition().stream()
+              .map(interfaceOperationParamDataDefinition -> new OperationOutputDefinition(interfaceOperationParamDataDefinition.getParamName(),
+                      interfaceOperationParamDataDefinition.getParamId())).collect(Collectors.toList());
+      outputList.forEach(outputs::add);
+    }
+
     Operation operationData = new Operation();
     operationData.setDescription(interfaceOperation.getDescription());
     operationData.setName(interfaceOperation.getOperationType());
     operationData.setUniqueId(interfaceOperation.getUniqueId());
     operationData.setInputs(inputs);
+    operationData.setOutputs(outputs);
 
     return operationData;
   }
@@ -53,16 +64,25 @@ public class InterfaceUIDataConverter {
 
     ListDataDefinition<OperationInputDefinition> inputs = operationData.getInputs();
     List<InterfaceOperationParamDataDefinition> inputParamList = inputs.getListToscaDataDefinition().stream()
-            .map(a -> new InterfaceOperationParamDataDefinition(a.getName(), a.getInputId())).collect(
+            .map(operationInputDefinition -> new InterfaceOperationParamDataDefinition(operationInputDefinition.getName(),
+                    operationInputDefinition.getInputId())).collect(
             Collectors.toList());
     ListDataDefinition<InterfaceOperationParamDataDefinition> inputParams = new ListDataDefinition<>();
     inputParamList.forEach(inputParams::add);
 
+    ListDataDefinition<OperationOutputDefinition> outputs = operationData.getOutputs();
+    List<InterfaceOperationParamDataDefinition> outputParamList = outputs.getListToscaDataDefinition()
+            .stream().map(operationOutputDefinition -> new InterfaceOperationParamDataDefinition(operationOutputDefinition.getName(),
+                    operationOutputDefinition.getInputId())).collect(Collectors.toList());
+    ListDataDefinition<InterfaceOperationParamDataDefinition> outputParams = new ListDataDefinition<>();
+    outputParamList.forEach(outputParams::add);
+
     InterfaceOperationDataDefinition interfaceOperationDataDefinition = new InterfaceOperationDataDefinition();
     interfaceOperationDataDefinition.setUniqueId(operationData.getUniqueId());
     interfaceOperationDataDefinition.setOperationType(operationData.getName());
     interfaceOperationDataDefinition.setDescription(operationData.getDescription());
     interfaceOperationDataDefinition.setInputParams(inputParams);
+    interfaceOperationDataDefinition.setOutputParams(outputParams);
     interfaceOperationDataDefinition.setArtifactUUID(operationData.getImplementation().getArtifactUUID());
 
     return interfaceOperationDataDefinition;
diff --git a/catalog-be/src/test/java/org/openecomp/sdc/be/components/InterfaceOperationTestUtils.java b/catalog-be/src/test/java/org/openecomp/sdc/be/components/InterfaceOperationTestUtils.java
index f38848c1be..cf3d5d5bdc 100644
--- a/catalog-be/src/test/java/org/openecomp/sdc/be/components/InterfaceOperationTestUtils.java
+++ b/catalog-be/src/test/java/org/openecomp/sdc/be/components/InterfaceOperationTestUtils.java
@@ -21,6 +21,7 @@ import java.util.Map;
 
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationOutputDefinition;
 import org.openecomp.sdc.be.model.ArtifactDefinition;
 import org.openecomp.sdc.be.model.InterfaceDefinition;
 import org.openecomp.sdc.be.model.Operation;
@@ -46,13 +47,15 @@ public interface InterfaceOperationTestUtils {
 
 
     default Operation createInterfaceOperation(String uniqueID, String description, ArtifactDefinition artifactDefinition,
-                                               ListDataDefinition<OperationInputDefinition> inputs, String name) {
+                                               ListDataDefinition<OperationInputDefinition> inputs,
+                                               ListDataDefinition<OperationOutputDefinition> outputs, String name) {
         Operation operation = new Operation();
 
         operation.setUniqueId(uniqueID);
         operation.setDescription(description);
         operation.setImplementation(artifactDefinition);
         operation.setInputs(inputs);
+        operation.setOutputs(outputs);
         operation.setName(name);
 
         return operation;
@@ -65,6 +68,10 @@ public interface InterfaceOperationTestUtils {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
         operation.setInputs(operationInputDefinitionList);
 
+        ListDataDefinition<OperationOutputDefinition> operationOutputDefList = new ListDataDefinition<>();
+        operationOutputDefList.add(createMockOperationOutputDefinition("op1"));
+        operation.setOutputs(operationOutputDefList);
+
         operation.setDefinition(false);
         operation.setName("CREATE");
         operation.setUniqueId("uniqueId1");
@@ -85,6 +92,13 @@ public interface InterfaceOperationTestUtils {
         return operationInputDefinition;
     }
 
+    default OperationOutputDefinition createMockOperationOutputDefinition(String name) {
+        OperationOutputDefinition operationOutputDefinition = new OperationOutputDefinition();
+        operationOutputDefinition.setName(name);
+        operationOutputDefinition.setUniqueId("uniqueId1");
+        return operationOutputDefinition;
+    }
+
     default   Map<String, InterfaceDefinition> createMockInterfaceDefinition(String resourceName) {
         Map<String, Operation> operationMap = createMockOperationMap();
         Map<String, InterfaceDefinition> interfaceDefinitionMap = new HashMap<>();
diff --git a/catalog-be/src/test/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidationTest.java b/catalog-be/src/test/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidationTest.java
index a8686c179a..02c212d7e6 100644
--- a/catalog-be/src/test/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidationTest.java
+++ b/catalog-be/src/test/java/org/openecomp/sdc/be/components/validation/InterfaceOperationValidationTest.java
@@ -35,6 +35,7 @@ import org.openecomp.sdc.be.components.InterfaceOperationTestUtils;
 import org.openecomp.sdc.be.components.impl.ResponseFormatManager;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationOutputDefinition;
 import org.openecomp.sdc.be.model.ArtifactDefinition;
 import org.openecomp.sdc.be.model.Component;
 import org.openecomp.sdc.be.model.ComponentParametersView;
@@ -61,6 +62,7 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     InterfaceOperationValidationUtilTest interfaceOperationValidationUtilTest = new InterfaceOperationValidationUtilTest();
     private static final String RESOURCE_ID = "resource1";
     ListDataDefinition<OperationInputDefinition> operationInputDefinitionList = new ListDataDefinition<>();
+    ListDataDefinition<OperationOutputDefinition> operationOutputDefinitionList = new ListDataDefinition<>();
     @Before
     public void init() {
         MockitoAnnotations.initMocks(this);
@@ -75,8 +77,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     @Test
     public void testValidInterfaceOperation() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"upgrade");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                        operationOutputDefinitionList,"upgrade");
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
                 .validateInterfaceOperations(operations, RESOURCE_ID, false);
         Assert.assertTrue(booleanResponseFormatEither.isLeft());
@@ -85,11 +89,12 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     @Test
     public void testInterfaceOperationDescriptionLength() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
                 "interface operation2 -  The Spring Initializer provides a project generator to make you " +
                         "productive with the certain technology stack from the beginning. You can create a skeleton project" +
                         "with web, data access (relational and NoSQL datastores), cloud, or messaging support",
-                new ArtifactDefinition(), operationInputDefinitionList,"update");
+                new ArtifactDefinition(), operationInputDefinitionList, operationOutputDefinitionList,"update");
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
                 .validateInterfaceOperations(operations, RESOURCE_ID, false);
         Assert.assertTrue(booleanResponseFormatEither.isRight());
@@ -100,8 +105,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     @Test
     public void testInterfaceOperationForEmptyType() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList, "");
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
                 .validateInterfaceOperations(operations, RESOURCE_ID, false);
         Assert.assertTrue(booleanResponseFormatEither.isRight());
@@ -110,8 +117,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     @Test
     public void testInterfaceOperationForEmptyInputParam() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"input2");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList,"input2");
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
                 .validateInterfaceOperations(operations, RESOURCE_ID, false);
         Assert.assertTrue(booleanResponseFormatEither.isRight());
@@ -120,8 +129,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     @Test
     public void testInterfaceOperationForNonUniqueType() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"CREATE");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList,"CREATE");
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
                 .validateInterfaceOperations(operations, RESOURCE_ID, false);
         Assert.assertTrue(booleanResponseFormatEither.isRight());
@@ -130,8 +141,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     @Test
     public void testInterfaceOperationTypeLength() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
                 "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList,
                 "interface operation2 -  The Spring Initializer provides a project generator to make you " +
                         "productive with the certain technology stack from the beginning. You can create a skeleton project" +
                         "with web, data access (relational and NoSQL datastores), cloud, or messaging support");
@@ -147,8 +160,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
         operationInputDefinitionList.add(createMockOperationInputDefinition("label2"));
         operationInputDefinitionList.add(createMockOperationInputDefinition("label2"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"create");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList,"create");
 
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
                 .validateInterfaceOperations(operations, RESOURCE_ID, false);
@@ -159,8 +174,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     public void testInterfaceOperationUniqueInputParamNameValid() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
         operationInputDefinitionList.add(createMockOperationInputDefinition("label2"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"update");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList,"update");
 
 
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
@@ -172,8 +189,10 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     public void testInterfaceOperationeInputParamNameEmpty() {
         operationInputDefinitionList.add(createMockOperationInputDefinition("  "));
         operationInputDefinitionList.add(createMockOperationInputDefinition("label1"));
+        operationOutputDefinitionList.add(createMockOperationOutputDefinition("label1"));
         Collection<Operation> operations = createInterfaceOperationData("op2",
-                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,"update");
+                "interface operation2",new ArtifactDefinition(), operationInputDefinitionList,
+                operationOutputDefinitionList,"update");
 
 
         Either<Boolean, ResponseFormat> booleanResponseFormatEither = interfaceOperationValidationUtilTest
@@ -182,8 +201,9 @@ public class InterfaceOperationValidationTest implements InterfaceOperationTestU
     }
 
     private Set<Operation> createInterfaceOperationData( String uniqueID, String description, ArtifactDefinition artifactDefinition,
-                                                         ListDataDefinition<OperationInputDefinition> inputs, String name) {
-        return Sets.newHashSet(createInterfaceOperation(uniqueID, description, artifactDefinition, inputs, name));
+                                                         ListDataDefinition<OperationInputDefinition> inputs,
+                                                         ListDataDefinition<OperationOutputDefinition> outputs, String name) {
+        return Sets.newHashSet(createInterfaceOperation(uniqueID, description, artifactDefinition, inputs, outputs, name));
     }
 
     private  <T extends Component> Either<T, StorageOperationStatus> getToscaFullElement() {
diff --git a/catalog-be/src/test/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverterTest.java b/catalog-be/src/test/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverterTest.java
index 5ed11a553e..b158ddf5da 100644
--- a/catalog-be/src/test/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverterTest.java
+++ b/catalog-be/src/test/java/org/openecomp/sdc/be/datamodel/utils/InterfaceUIDataConverterTest.java
@@ -9,6 +9,7 @@ import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.InterfaceOperationDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationOutputDefinition;
 import org.openecomp.sdc.be.model.Operation;
 
 public class InterfaceUIDataConverterTest {
@@ -27,7 +28,9 @@ public class InterfaceUIDataConverterTest {
 		Operation operationData = new Operation();
 		InterfaceOperationDataDefinition result;
 		ListDataDefinition<OperationInputDefinition> inputs = new ListDataDefinition<>();
+		ListDataDefinition<OperationOutputDefinition> outputs = new ListDataDefinition<>();
 		operationData.setInputs(inputs);
+		operationData.setOutputs(outputs);
 		operationData.setImplementation(new ArtifactDataDefinition());
 		// default test
 		result = InterfaceUIDataConverter.convertOperationDataToInterfaceData(operationData);
diff --git a/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/ActionStatus.java b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/ActionStatus.java
index 80c22022a1..e90621515d 100644
--- a/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/ActionStatus.java
+++ b/catalog-dao/src/main/java/org/openecomp/sdc/be/dao/api/ActionStatus.java
@@ -110,7 +110,8 @@ public enum ActionStatus {
 
     //InterfaceOperation
     INTERFACE_OPERATION_NOT_FOUND, INTERFACE_OPERATION_TYPE_ALREADY_IN_USE, INTERFACE_OPERATION_TYPE_MANDATORY, INTERFACE_OPERATION_TYPE_INVALID,
-    INTERFACE_OPERATION_DESCRIPTION_MAX_LENGTH, INTERFACE_OPERATION_INPUT_NAME_ALREADY_IN_USE, INTERFACE_OPERATION_NOT_DELETED, INTERFACE_OPERATION_INPUT_NAME_MANDATORY
+    INTERFACE_OPERATION_DESCRIPTION_MAX_LENGTH, INTERFACE_OPERATION_INPUT_NAME_ALREADY_IN_USE, INTERFACE_OPERATION_OUTPUT_NAME_ALREADY_IN_USE,INTERFACE_OPERATION_NOT_DELETED, INTERFACE_OPERATION_INPUT_NAME_MANDATORY,
+    INTERFACE_OPERATION_OUTPUT_NAME_MANDATORY
 
     ;
 }
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Operation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Operation.java
index 066cd67fec..4455920d3d 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/Operation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/Operation.java
@@ -24,6 +24,7 @@ import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationOutputDefinition;
 
 /**
  * Defines an operation available to manage particular aspects of the Node Type.
@@ -54,10 +55,12 @@ public class Operation extends OperationDataDefinition implements IOperationPara
 	}
 
 	public Operation(ArtifactDataDefinition implementation, String description,
-		ListDataDefinition<OperationInputDefinition> inputs) {
+					 ListDataDefinition<OperationInputDefinition> inputs,
+					 ListDataDefinition<OperationOutputDefinition> outputs) {
 		super(description);
 		setImplementation(implementation);
 		setInputs(inputs);
+		setOutputs(outputs);
 	}
 
 	@Override
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
index 6b22413d56..49f16946af 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
@@ -29,6 +29,7 @@ import org.apache.commons.collections.MapUtils;
 import org.openecomp.sdc.be.datatypes.elements.InputDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
 import org.openecomp.sdc.be.datatypes.elements.OperationInputDefinition;
+import org.openecomp.sdc.be.datatypes.elements.OperationOutputDefinition;
 import org.openecomp.sdc.be.model.InputDefinition;
 import org.openecomp.sdc.be.model.InterfaceDefinition;
 import org.openecomp.sdc.be.model.Operation;
@@ -82,12 +83,14 @@ public class InterfaceUtils {
         }
         InterfaceDefinition interfaceDefinition = optionalInterface.get();
         interfaceDefinition.getOperationsMap().values().stream()
-            .forEach(operation -> createInput(operation, resource.getInputs()));
+            .forEach(operation -> createInputOutput(operation, resource.getInputs()));
+
+
         return interfaceDefinition.getOperationsMap();
 
     }
 
-    private static void createInput(Operation operation, List<InputDefinition> inputs) throws IllegalStateException {
+    private static void createInputOutput(Operation operation, List<InputDefinition> inputs) throws IllegalStateException {
         ListDataDefinition<OperationInputDefinition> inputDefinitionListDataDefinition = operation.getInputs();
         if (inputDefinitionListDataDefinition != null) {
             return;
@@ -97,8 +100,20 @@ public class InterfaceUtils {
         List<OperationInputDefinition> convertedInputs = listToscaDataDefinition.stream()
             .map(input -> convertInput(input, inputs))
             .collect(Collectors.toList());
+
+        ListDataDefinition<OperationOutputDefinition> outputDefinitionListDataDefinition = operation.getOutputs();
+        if (outputDefinitionListDataDefinition != null) {
+            return;
+        }
+        List<OperationOutputDefinition> outListToscaDefinition = outputDefinitionListDataDefinition
+                .getListToscaDataDefinition();
+        List<OperationOutputDefinition> convertedOutputs = outListToscaDefinition.stream()
+                .map(operationOutputDefinition -> convertOutput(operationOutputDefinition, inputs) )
+                .collect(Collectors.toList());
         inputDefinitionListDataDefinition.getListToscaDataDefinition().clear();
         inputDefinitionListDataDefinition.getListToscaDataDefinition().addAll(convertedInputs);
+        outputDefinitionListDataDefinition.getListToscaDataDefinition().clear();
+        outputDefinitionListDataDefinition.getListToscaDataDefinition().addAll(convertedOutputs);
     }
 
     private static OperationInputDefinition convertInput(OperationInputDefinition input,
@@ -111,6 +126,15 @@ public class InterfaceUtils {
         throw new IllegalStateException("Could not find input :"+ input.getLabel());
     }
 
+    private static OperationOutputDefinition convertOutput(OperationOutputDefinition output,
+                                                         List<InputDefinition> outputs) throws IllegalStateException {
+        Optional<InputDefinition> anyOutputDefinition = outputs.stream()
+                .filter(inp -> inp.getUniqueId().equals(output.getUniqueId())).findAny();
+        if (anyOutputDefinition.isPresent()) {
+            return new OperationOutputDefinition(output.getLabel(),new InputDataDefinition(anyOutputDefinition.get()));
+        }
+        throw new IllegalStateException("Could not find output :"+ output.getLabel());
+    }
     public static List<Operation> getOperationsFromInterface(Map<String, InterfaceDefinition> interfaces) {
         List<Operation> operationData = new ArrayList<>();
         if (!MapUtils.isEmpty(interfaces)) {
diff --git a/catalog-model/src/test/java/org/openecomp/sdc/be/model/OperationTest.java b/catalog-model/src/test/java/org/openecomp/sdc/be/model/OperationTest.java
index 8ff412960e..088a1f4d89 100644
--- a/catalog-model/src/test/java/org/openecomp/sdc/be/model/OperationTest.java
+++ b/catalog-model/src/test/java/org/openecomp/sdc/be/model/OperationTest.java
@@ -14,7 +14,7 @@ public class OperationTest {
 	@Test
 	public void testCtor() throws Exception {
 		new Operation(new OperationDataDefinition());
-		new Operation(new ArtifactDataDefinition(), "mock", new ListDataDefinition<>());
+		new Operation(new ArtifactDataDefinition(), "mock", new ListDataDefinition<>(), new ListDataDefinition<>());
 	}
 	
 	@Test
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationDataDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationDataDefinition.java
index 40b1f31eda..dc99b7c320 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationDataDefinition.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationDataDefinition.java
@@ -42,6 +42,7 @@ public class OperationDataDefinition extends ToscaDataDefinition implements Seri
 		setDescription(p.getDescription());
 		setImplementation(p.getImplementation());
 		setInputs(p.getInputs());
+		setOutputs(p.getOutputs());
 		setName(p.getName());
 		setUniqueId(p.getUniqueId());
 	}
@@ -97,6 +98,14 @@ public class OperationDataDefinition extends ToscaDataDefinition implements Seri
 		setToscaPresentationValue(JsonPresentationFields.OPERATION_INPUT,inputs);
 	}
 
+	public ListDataDefinition<OperationOutputDefinition> getOutputs() {
+		return (ListDataDefinition<OperationOutputDefinition>)
+				getToscaPresentationValue(JsonPresentationFields.OPERATION_OUTPUT);
+	}
+
+	public void setOutputs(ListDataDefinition<OperationOutputDefinition> outputs) {
+		setToscaPresentationValue(JsonPresentationFields.OPERATION_OUTPUT, outputs);
+	}
 	public String getName() {
 		return (String) getToscaPresentationValue(JsonPresentationFields.NAME);
 	}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationOutputDefinition.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationOutputDefinition.java
new file mode 100644
index 0000000000..af046eaa17
--- /dev/null
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/elements/OperationOutputDefinition.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.openecomp.sdc.be.datatypes.elements;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
+
+public class OperationOutputDefinition extends InputDataDefinition {
+
+    @JsonCreator
+    public OperationOutputDefinition() {
+        super();
+    }
+
+    public OperationOutputDefinition(String name, InputDataDefinition definition) {
+        super(definition);
+        setName(name);
+    }
+    public OperationOutputDefinition(String paramName, String paramId) {
+        super();
+        setName(paramName);
+        setInputId(paramId);
+    }
+    public String getLabel() {
+        return (String) getToscaPresentationValue(JsonPresentationFields.ARTIFACT_LABEL);
+    }
+
+    public void setLabel(String name) {
+        setToscaPresentationValue(JsonPresentationFields.ARTIFACT_LABEL, name);
+    }
+
+}
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/JsonPresentationFields.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/JsonPresentationFields.java
index a08354146b..6d14078301 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/JsonPresentationFields.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/JsonPresentationFields.java
@@ -209,7 +209,8 @@ public enum JsonPresentationFields {
 	INTERFACE ("interface", null),
 	INTERFACE_OPERATION ("operation", null),
 	OPERATION_IMPLEMENTATION("operationImplementation",null),
-	OPERATION_INPUT("operationInput",null)
+	OPERATION_INPUT("operationInput",null),
+	OPERATION_OUTPUT("operationOutput", null)
 	;
 	
 
diff --git a/openecomp-bdd/features/InterfaceOperation/TestInterfaceOperation.feature b/openecomp-bdd/features/InterfaceOperation/TestInterfaceOperation.feature
index dfd754f74e..fa3647e5c6 100644
--- a/openecomp-bdd/features/InterfaceOperation/TestInterfaceOperation.feature
+++ b/openecomp-bdd/features/InterfaceOperation/TestInterfaceOperation.feature
@@ -93,4 +93,20 @@ Feature: Interface Operation Feature
 
   #Submit
   Then I want to submit this VF
-  And I want to check property "lifecycleState" for value "READY_FOR_CERTIFICATION"
\ No newline at end of file
+  And I want to check property "lifecycleState" for value "READY_FOR_CERTIFICATION"
+
+  Scenario: Test InterfaceOperation CREATE with output parameters
+  #Create Operations
+  When I want to create an Operation with outputParameter
+  Then I want to check property "uniqueId" exists
+
+ #List All Operations
+  When I want to list Operations
+
+#Checkin
+  When I want to checkin this VF
+  Then I want to check property "lifecycleState" for value "NOT_CERTIFIED_CHECKIN"
+
+#Submit
+  Then I want to submit this VF
+  And I want to check property "lifecycleState" for value "READY_FOR_CERTIFICATION"
diff --git a/openecomp-bdd/resources/json/operation/createOperation.json b/openecomp-bdd/resources/json/operation/createOperation.json
index 87c12f265f..394be36187 100644
--- a/openecomp-bdd/resources/json/operation/createOperation.json
+++ b/openecomp-bdd/resources/json/operation/createOperation.json
@@ -10,6 +10,14 @@
           }
         ]
       },
+      "outputParams": {
+        "listToscaDataDefinition": [
+          {
+            "paramName": "op1",
+            "paramId": "68443b9d-9405-458e-811f-b62dd4975fcb.nf_naming"
+          }
+        ]
+      },
       "operationType": "create"
     }
   }
diff --git a/openecomp-bdd/stepDefinitions/InterfaceOperationSteps.js b/openecomp-bdd/stepDefinitions/InterfaceOperationSteps.js
index 4c00debc38..14c5610626 100644
--- a/openecomp-bdd/stepDefinitions/InterfaceOperationSteps.js
+++ b/openecomp-bdd/stepDefinitions/InterfaceOperationSteps.js
@@ -57,6 +57,23 @@ When('I want to create an Operation', function()  {
 });
 
 
+When('I want to create an Operation with outputParameter', function()  {
+    let inputData = util.getJSONFromFile('resources/json/operation/createOperation.json');
+    //let path = '/catalog/resources/f3dc81bb-85e9-4dfd-bd1b-37f5dc5e5534/interfaceOperations';
+    let path = '/catalog/resources/' + this.context.vf.uniqueId +'/interfaceOperations';
+
+    inputData.interfaceOperations.create.operationType = makeType();
+    inputData.interfaceOperations.create.inputParams.listToscaDataDefinition[0].paramName = util.random();
+    inputData.interfaceOperations.create.inputParams.listToscaDataDefinition[0].paramId = this.context.vf.id;
+    inputData.interfaceOperations.create.outputParams.listToscaDataDefinition[0].paramName = util.random();
+    inputData.interfaceOperations.create.outputParams.listToscaDataDefinition[0].paramId = this.context.vf.id;
+
+    return util.request(this.context, 'POST', path, inputData, false, 'vf').then(result => {
+        this.context.item = {uniqueId : result.data.uniqueId, operationType : result.data.operationType};
+    this.context.operation = {uniqueId : result.data.uniqueId, operationType : result.data.operationType};
+});
+});
+
 
 When('I want to list Operations', function () {
     let path = '/catalog/resources/' + this.context.vf.uniqueId + '/filteredDataByParams?include=interfaces';