Use UUID to fill pnf-id in PNF PnP

Issue-ID: SO-1272
Change-Id: If516b7ec38dad3fbc7409aff42275a98ef2af76b
Signed-off-by: Joanna Jeremicz <joanna.jeremicz@nokia.com>

7 files changed, 195 insertions, 43 deletions

diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreateAaiEntryWithPnfIdDelegate.java b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreatePnfEntryInAaiDelegate.java
index a8754cd4a0..12cb6ffdff 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreateAaiEntryWithPnfIdDelegate.java
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreatePnfEntryInAaiDelegate.java
@@ -4,6 +4,8 @@
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
+ * Modifications Copyright 2018 Nokia
+ * ================================================================================
  * 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
@@ -21,23 +23,28 @@
 package org.onap.so.bpmn.infrastructure.pnf.delegate;
 
 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.CORRELATION_ID;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_UUID;
 
 import org.camunda.bpm.engine.delegate.DelegateExecution;
 import org.camunda.bpm.engine.delegate.JavaDelegate;
 import org.onap.aai.domain.yang.Pnf;
 import org.onap.so.bpmn.infrastructure.pnf.implementation.AaiConnection;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 /**
- * Implementation of "Create AAI entry with pnf-id = correlation_id" task in CreateAndActivatePnfResource.bpmn
+ * Implementation of "Create Pnf entry in AAI" task in CreateAndActivatePnfResource.bpmn
  *
  * Inputs:
  *  - correlationId - String
+ *  - pnfUuid - String
  */
 @Component
-public class CreateAaiEntryWithPnfIdDelegate implements JavaDelegate {
+public class CreatePnfEntryInAaiDelegate implements JavaDelegate {
 
+    private static final Logger logger = LoggerFactory.getLogger(CreatePnfEntryInAaiDelegate.class);
     private AaiConnection aaiConnection;
 
     @Autowired
@@ -48,10 +55,12 @@ public class CreateAaiEntryWithPnfIdDelegate implements JavaDelegate {
     @Override
     public void execute(DelegateExecution execution) throws Exception {
         String correlationId = (String) execution.getVariable(CORRELATION_ID);
+        String pnfUuid = (String) execution.getVariable(PNF_UUID);
         Pnf pnf = new Pnf();
         pnf.setInMaint(true);
-        pnf.setPnfId(correlationId);
+        pnf.setPnfId(pnfUuid);
         pnf.setPnfName(correlationId);
         aaiConnection.createEntry(correlationId, pnf);
+        logger.debug("AAI entry is created for pnf correlation id: {}, pnf uuid: {}", correlationId, pnfUuid);
     }
 }
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/ExecutionVariableNames.java b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/ExecutionVariableNames.java
index b3f2f726a0..1407cb9211 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/ExecutionVariableNames.java
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/ExecutionVariableNames.java
@@ -4,6 +4,8 @@
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
+ * Modifications Copyright 2018 Nokia
+ * ================================================================================
  * 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
@@ -30,4 +32,5 @@ public class ExecutionVariableNames {
     public final static String AAI_CONTAINS_INFO_ABOUT_IP = "aaiContainsInfoAboutIp";
     public final static String DMAAP_MESSAGE = "dmaapMessage";
     public final static String TIMEOUT_FOR_NOTIFICATION = "timeoutForPnfEntryNotification";
+    public final static String PNF_UUID = "pnfUuid";
 }
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/GeneratePnfUuidDelegate.java b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/GeneratePnfUuidDelegate.java
new file mode 100644
index 0000000000..f5483e489e
--- /dev/null
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/GeneratePnfUuidDelegate.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 Nokia.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.bpmn.infrastructure.pnf.delegate;
+
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_UUID;
+
+import java.util.UUID;
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.camunda.bpm.engine.delegate.JavaDelegate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+@Component
+public class GeneratePnfUuidDelegate implements JavaDelegate {
+
+    private static final Logger logger = LoggerFactory.getLogger(GeneratePnfUuidDelegate.class);
+
+    @Override
+    public void execute(DelegateExecution delegateExecution){
+        UUID uuid = UUID.randomUUID();
+        logger.debug("Generated UUID for pnf: {}, version: {}, variant: {}", uuid, uuid.version(), uuid.variant());
+        delegateExecution.setVariable(PNF_UUID, uuid.toString());
+    }
+}
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputs.java b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputs.java
index 164f51f579..c1ddf2e04e 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputs.java
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputs.java
@@ -4,6 +4,8 @@
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
+ * Modifications Copyright 2018 Nokia
+ * ================================================================================
  * 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
@@ -21,8 +23,10 @@
 package org.onap.so.bpmn.infrastructure.pnf.delegate;
 
 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.CORRELATION_ID;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_UUID;
 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.TIMEOUT_FOR_NOTIFICATION;
 
+import com.google.common.base.Strings;
 import org.camunda.bpm.engine.delegate.DelegateExecution;
 import org.camunda.bpm.engine.delegate.JavaDelegate;
 import org.onap.so.bpmn.common.scripts.ExceptionUtil;
@@ -34,6 +38,7 @@ import org.springframework.stereotype.Component;
 @Component
 public class PnfCheckInputs implements JavaDelegate {
 
+    public static final String UUID_REGEX = "(?i)^[0-9a-f]{8}-[0-9a-f]{4}-[1-5]{1}[0-9a-f]{3}-[89ab]{1}[0-9a-f]{3}-[0-9a-f]{12}$";
     private static MsoLogger LOGGER = MsoLogger.getMsoLogger(MsoLogger.Catalog.GENERAL, PnfCheckInputs.class);
 
     private String defaultTimeout;
@@ -45,19 +50,37 @@ public class PnfCheckInputs implements JavaDelegate {
 
     @Override
     public void execute(DelegateExecution execution) {
+        validateCorrelationId(execution);
+        validatePnfUuid(execution);
+        validateTimeout(execution);
+    }
+
+    private void validateCorrelationId(DelegateExecution execution) {
         String correlationId = (String) execution.getVariable(CORRELATION_ID);
-        if (correlationId == null) {
+        if (Strings.isNullOrEmpty(correlationId)) {
             new ExceptionUtil().buildAndThrowWorkflowException(execution, 9999, "correlationId variable not defined");
         }
+    }
+
+    private void validatePnfUuid(DelegateExecution execution) {
+        String pnfUuid = (String) execution.getVariable(PNF_UUID);
+        if (Strings.isNullOrEmpty(pnfUuid)) {
+            new ExceptionUtil().buildAndThrowWorkflowException(execution, 9999, "pnfUuid variable not defined");
+        }
+        if (!pnfUuid.matches(UUID_REGEX)) {
+            new ExceptionUtil().buildAndThrowWorkflowException(execution, 9999, "pnfUuid is not a valid UUID");
+        }
+    }
+
+    private void validateTimeout(DelegateExecution execution) {
         String timeout = (String) execution.getVariable(TIMEOUT_FOR_NOTIFICATION);
-        if (timeout == null) {
+        if (Strings.isNullOrEmpty(timeout)) {
             LOGGER.debug("timeoutForPnfEntryNotification variable not found, setting default");
             if (defaultTimeout == null) {
                 new ExceptionUtil().buildAndThrowWorkflowException(execution, 9999,
-                        "default timeoutForPnfEntryNotification value not defined");
+                    "default timeoutForPnfEntryNotification value not defined");
             }
             execution.setVariable(TIMEOUT_FOR_NOTIFICATION, defaultTimeout);
         }
     }
-
 }
diff --git a/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreateAaiEntryWithPnfIdDelegateTest.java b/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreatePnfEntryInAaiDelegateTest.java
index 465dc085fc..ce6b766fa2 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreateAaiEntryWithPnfIdDelegateTest.java
+++ b/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/CreatePnfEntryInAaiDelegateTest.java
@@ -4,6 +4,8 @@
  * ================================================================================
  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
+ * Modifications Copyright 2018 Nokia
+ * ================================================================================
  * 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
@@ -20,30 +22,34 @@
 package org.onap.so.bpmn.infrastructure.pnf.delegate;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.CORRELATION_ID;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_UUID;
 
+import java.util.UUID;
 import org.camunda.bpm.engine.delegate.DelegateExecution;
 import org.junit.Test;
 import org.onap.aai.domain.yang.Pnf;
 
-public class CreateAaiEntryWithPnfIdDelegateTest {
+public class CreatePnfEntryInAaiDelegateTest {
 
     @Test
     public void shouldSetPnfIdAndPnfName() throws Exception {
         // given
-        CreateAaiEntryWithPnfIdDelegate delegate = new CreateAaiEntryWithPnfIdDelegate();
+        String pnfUuid = UUID.nameUUIDFromBytes("testUuid".getBytes()).toString();
+        CreatePnfEntryInAaiDelegate delegate = new CreatePnfEntryInAaiDelegate();
         AaiConnectionTestImpl aaiConnection = new AaiConnectionTestImpl();
         delegate.setAaiConnection(aaiConnection);
         DelegateExecution execution = mock(DelegateExecution.class);
-        when(execution.getVariable(eq(CORRELATION_ID))).thenReturn("testCorrelationId");
+        given(execution.getVariable(eq(CORRELATION_ID))).willReturn("testCorrelationId");
+        given(execution.getVariable(eq(PNF_UUID))).willReturn(pnfUuid);
         // when
         delegate.execute(execution);
         // then
         Pnf createdEntry = aaiConnection.getCreated().get("testCorrelationId");
-        assertThat(createdEntry.getPnfId()).isEqualTo("testCorrelationId");
+        assertThat(createdEntry.getPnfId()).isEqualTo(pnfUuid);
         assertThat(createdEntry.getPnfName()).isEqualTo("testCorrelationId");
         assertThat(createdEntry.isInMaint()).isTrue();
     }
diff --git a/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/GeneratePnfUuidDelegateTest.java b/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/GeneratePnfUuidDelegateTest.java
new file mode 100644
index 0000000000..c351706aff
--- /dev/null
+++ b/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/GeneratePnfUuidDelegateTest.java
@@ -0,0 +1,41 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 Nokia.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.bpmn.infrastructure.pnf.delegate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_UUID;
+
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.camunda.bpm.extension.mockito.delegate.DelegateExecutionFake;
+import org.junit.Test;
+
+public class GeneratePnfUuidDelegateTest {
+    @Test
+    public void execute_shouldSetValidUuidAsPnfUuid() {
+        // given
+        GeneratePnfUuidDelegate delegate = new GeneratePnfUuidDelegate();
+        DelegateExecution execution = new DelegateExecutionFake();
+        // when
+        delegate.execute(execution);
+        // then
+        assertThat((String) execution.getVariable(PNF_UUID)).matches(PnfCheckInputs.UUID_REGEX);
+    }
+}
\ No newline at end of file
diff --git a/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputsTest.java b/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputsTest.java
index 2e8fb4be78..3e146be3c2 100644
--- a/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputsTest.java
+++ b/bpmn/so-bpmn-infrastructure-common/src/test/java/org/onap/so/bpmn/infrastructure/pnf/delegate/PnfCheckInputsTest.java
@@ -20,62 +20,89 @@
 
 package org.onap.so.bpmn.infrastructure.pnf.delegate;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.CORRELATION_ID;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_UUID;
 import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.TIMEOUT_FOR_NOTIFICATION;
 
+import java.util.UUID;
 import org.camunda.bpm.engine.delegate.BpmnError;
 import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.camunda.bpm.extension.mockito.delegate.DelegateExecutionFake;
+import org.junit.Before;
 import org.junit.Test;
 
 public class PnfCheckInputsTest {
 
     private static final String DEFAULT_TIMEOUT = "P1D";
+    private static final String VALID_UUID = UUID.nameUUIDFromBytes("testUuid".getBytes()).toString();
+    private static final String RESERVED_UUID = new UUID(0, 0).toString();
 
-    private DelegateExecution mockDelegateExecution() {
-        new PnfCheckInputs(DEFAULT_TIMEOUT);
-        DelegateExecution delegateExecution = mock(DelegateExecution.class);
-        when(delegateExecution.getVariable("testProcessKey")).thenReturn("testProcessKeyValue");
-        return delegateExecution;
+    private DelegateExecution delegateExecution;
+
+    @Before
+    public void setUp() {
+        delegateExecution = new DelegateExecutionFake();
+        delegateExecution.setVariable("testProcessKey", "testProcessKeyValue");
     }
 
     @Test
-    public void shouldThrowException_whenPnfIdNotSet() {
-        // given
-        PnfCheckInputs testedObject = new PnfCheckInputs(DEFAULT_TIMEOUT);
-        DelegateExecution delegateExecution = mockDelegateExecution();
-        // when, then
+    public void shouldThrowException_whenCorrelationIdNotSet() {
+        PnfCheckInputs testedObject = prepareExecutionForCorrelationId(null);
+        assertThatThrownBy(() -> testedObject.execute(delegateExecution)).isInstanceOf(BpmnError.class);
+    }
+
+    @Test
+    public void shouldThrowException_whenTimeoutIsEmptyStringAndDefaultIsNotDefined() {
+        PnfCheckInputs testedObject = prepareExecutionForTimeout(null, "");
         assertThatThrownBy(() -> testedObject.execute(delegateExecution)).isInstanceOf(BpmnError.class);
     }
 
-    private DelegateExecution mockDelegateExecutionWithCorrelationId() {
-        new PnfCheckInputs(DEFAULT_TIMEOUT);
-        DelegateExecution delegateExecution = mockDelegateExecution();
-        when(delegateExecution.getVariable(CORRELATION_ID)).thenReturn("testCorrelationId");
-        return delegateExecution;
+    @Test
+    public void shouldSetDefaultTimeout_whenTimeoutIsNotSet() {
+        PnfCheckInputs testedObject = prepareExecutionForTimeout(DEFAULT_TIMEOUT, null);
+        testedObject.execute(delegateExecution);
+        assertThat(delegateExecution.getVariable(TIMEOUT_FOR_NOTIFICATION)).isEqualTo(DEFAULT_TIMEOUT);
     }
 
     @Test
-    public void shouldThrowException_whenTimeoutIsNotSetAndDefaultIsNotDefined() {
-        // given
-        PnfCheckInputs testedObject = new PnfCheckInputs(null);
-        DelegateExecution delegateExecution = mockDelegateExecutionWithCorrelationId();
-        // when, then
+    public void shouldThrowException_whenPnfUuidIsNotSet() {
+        PnfCheckInputs testedObject = prepareExecutionForUuid(null);
         assertThatThrownBy(() -> testedObject.execute(delegateExecution)).isInstanceOf(BpmnError.class);
     }
 
     @Test
-    public void shouldSetDefaultTimeout_whenTimeoutIsNotSet() {
-        // given
+    public void shouldThrowException_whenPnfUuidIsEmptyString() {
+        PnfCheckInputs testedObject = prepareExecutionForUuid("");
+        assertThatThrownBy(() -> testedObject.execute(delegateExecution)).isInstanceOf(BpmnError.class);
+    }
+
+    @Test
+    public void shouldThrowException_whenPnfUuidIsReservedUuid() {
+        PnfCheckInputs testedObject = prepareExecutionForUuid(RESERVED_UUID);
+        assertThatThrownBy(() -> testedObject.execute(delegateExecution)).isInstanceOf(BpmnError.class);
+    }
+
+    private PnfCheckInputs prepareExecutionForCorrelationId(String correlationId) {
         PnfCheckInputs testedObject = new PnfCheckInputs(DEFAULT_TIMEOUT);
-        DelegateExecution delegateExecution = mockDelegateExecutionWithCorrelationId();
-        // when
-        testedObject.execute(delegateExecution);
-        // then
-        verify(delegateExecution).setVariable(eq(TIMEOUT_FOR_NOTIFICATION), eq(DEFAULT_TIMEOUT));
+        delegateExecution.setVariable(CORRELATION_ID, correlationId);
+        delegateExecution.setVariable(PNF_UUID, VALID_UUID);
+        return testedObject;
+    }
+
+    private PnfCheckInputs prepareExecutionForTimeout(String defaultTimeout, String timeout) {
+        PnfCheckInputs testedObject = new PnfCheckInputs(defaultTimeout);
+        delegateExecution.setVariable(CORRELATION_ID, "testCorrelationId");
+        delegateExecution.setVariable(PNF_UUID, VALID_UUID);
+        delegateExecution.setVariable(TIMEOUT_FOR_NOTIFICATION, timeout);
+        return testedObject;
+    }
+
+    private PnfCheckInputs prepareExecutionForUuid(String uuid) {
+        PnfCheckInputs testedObject = new PnfCheckInputs(DEFAULT_TIMEOUT);
+        delegateExecution.setVariable(CORRELATION_ID, "testCorrelationId");
+        delegateExecution.setVariable(PNF_UUID, uuid);
+        return testedObject;
     }
 }
\ No newline at end of file