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-rw-r--r--catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ArtifactsOperations.java2
-rw-r--r--catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java253
-rw-r--r--catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java4
-rw-r--r--catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java32
-rw-r--r--catalog-model/src/test/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtilsTest.java20
5 files changed, 192 insertions, 119 deletions
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ArtifactsOperations.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ArtifactsOperations.java
index 009d4cac3b..3eb6a5211c 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ArtifactsOperations.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/ArtifactsOperations.java
@@ -153,7 +153,7 @@ public class ArtifactsOperations extends BaseOperation {
}
private ArtifactDataDefinition findInterfaceArtifact(String parentId, String id) {
- Either<Map<String, InterfaceDefinition>, TitanOperationStatus> dataFromGraph = getDataFromGraph(parentId, EdgeLabelEnum.INTERFACE_ARTIFACTS);
+ Either<Map<String, InterfaceDefinition>, TitanOperationStatus> dataFromGraph = getDataFromGraph(parentId, EdgeLabelEnum.INTERFACE);
if (dataFromGraph.isRight()){
log.debug("failed to fetch interfaces {} for tosca element with id {}, error {}", id, parentId ,dataFromGraph.right().value());
return null;
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java
index a7587adae1..04562534a8 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/InterfaceOperation.java
@@ -17,105 +17,226 @@
package org.openecomp.sdc.be.model.jsontitan.operations;
import fj.data.Either;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.UUID;
+import org.openecomp.sdc.be.dao.cassandra.ArtifactCassandraDao;
+import org.openecomp.sdc.be.dao.cassandra.CassandraOperationStatus;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
+import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;
+import org.openecomp.sdc.be.model.ArtifactDefinition;
import org.openecomp.sdc.be.model.InterfaceDefinition;
-import org.openecomp.sdc.be.model.Resource;
+import org.openecomp.sdc.be.model.Operation;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
-import org.openecomp.sdc.common.jsongraph.util.CommonUtility;
+import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
+import org.openecomp.sdc.common.api.ArtifactTypeEnum;
import org.openecomp.sdc.common.log.wrappers.Logger;
-
-import java.util.*;
+import org.springframework.beans.factory.annotation.Autowired;
@org.springframework.stereotype.Component("interfaces-operation")
public class InterfaceOperation extends BaseOperation {
- private static final Logger logger = Logger.getLogger(InterfaceOperation.class.getName());
+ private static final Logger logger = Logger.getLogger(InterfaceOperation.class.getName());
+ @Autowired
+ private ArtifactCassandraDao artifactCassandraDao;
- public Either<Set<String>, StorageOperationStatus> deleteInterface(Resource resource,
- Set<String> interfacesToDelete) {
- Either<Set<String>, StorageOperationStatus> result = null;
- Either<GraphVertex, TitanOperationStatus> getComponentVertex;
- StorageOperationStatus status = null;
+ public Either<InterfaceDefinition, StorageOperationStatus> addInterface(String componentId,
+ InterfaceDefinition interfaceDefinition) {
+ return addOrUpdateInterface(false, componentId, interfaceDefinition);
+ }
- if (result == null) {
- getComponentVertex = titanDao.getVertexById(resource.getUniqueId(), JsonParseFlagEnum.NoParse);
- if (getComponentVertex.isRight()) {
- result = Either
- .right(DaoStatusConverter.convertTitanStatusToStorageStatus(getComponentVertex.right().value()));
- }
- }
- if (result == null) {
+ public Either<InterfaceDefinition, StorageOperationStatus> updateInterface(String componentId,
+ InterfaceDefinition interfaceDefinition) {
+ return addOrUpdateInterface(true, componentId, interfaceDefinition);
+ }
- status = deleteToscaDataElements(resource.getUniqueId(), EdgeLabelEnum.INTERFACE_ARTIFACTS,
- new ArrayList<>(interfacesToDelete));
+ private Either<InterfaceDefinition, StorageOperationStatus> addOrUpdateInterface(
+ boolean isUpdateAction, String componentId, InterfaceDefinition interfaceDefinition) {
- if (status != StorageOperationStatus.OK) {
- result = Either.right(status);
- }
- }
+ StorageOperationStatus statusRes;
+ Either<GraphVertex, TitanOperationStatus> getToscaElementRes;
- if (result == null) {
- result = Either.left(interfacesToDelete);
- }
- return result;
+ getToscaElementRes = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
+ if (getToscaElementRes.isRight()) {
+ TitanOperationStatus status = getToscaElementRes.right().value();
+ logger.debug("Failed to get tosca element {} while adding or updating interface. Status is {}. ", componentId, status);
+ statusRes = DaoStatusConverter.convertTitanStatusToStorageStatus(status);
+ return Either.right(statusRes);
+ }
+ GraphVertex componentVertex = getToscaElementRes.left().value();
+ if (!isUpdateAction) {
+ interfaceDefinition.setUniqueId(UUID.randomUUID().toString());
+ }
+ statusRes = performUpdateToscaAction(isUpdateAction, componentVertex, Arrays.asList(interfaceDefinition), EdgeLabelEnum.INTERFACE, VertexTypeEnum.INTERFACE);
+ if (!statusRes.equals(StorageOperationStatus.OK)) {
+ logger.debug("Failed to add or update interface of component {}. status is {}", componentId, statusRes);
+ return Either.right(statusRes);
+ }
+ return Either.left(interfaceDefinition);
+ }
+
+ public Either<Operation, StorageOperationStatus> addInterfaceOperation(String componentId, InterfaceDefinition interfaceDef, Operation interfaceOperation) {
+ return addOrUpdateInterfaceOperation(false, componentId, interfaceDef, interfaceOperation);
+ }
+
+ public Either<Operation, StorageOperationStatus> updateInterfaceOperation(String componentId, InterfaceDefinition interfaceDef, Operation interfaceOperation) {
+ return addOrUpdateInterfaceOperation(true, componentId, interfaceDef, interfaceOperation);
+ }
+
+ private Either<Operation, StorageOperationStatus> addOrUpdateInterfaceOperation(boolean isUpdateAction, String componentId, InterfaceDefinition interfaceDef, Operation operation) {
+
+ StorageOperationStatus statusRes;
+ Either<GraphVertex, TitanOperationStatus> getToscaElementRes;
+ Either<GraphVertex, TitanOperationStatus> getToscaElementInt;
+
+ getToscaElementRes = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
+ if (getToscaElementRes.isRight()) {
+ TitanOperationStatus status = getToscaElementRes.right().value();
+ logger.debug("Failed to get tosca element {} while adding or updating operation. Status is {}. ", componentId, status);
+ statusRes = DaoStatusConverter.convertTitanStatusToStorageStatus(status);
+ return Either.right(statusRes);
+ }
+ GraphVertex componentVertex = getToscaElementRes.left().value();
+ getToscaElementInt = titanDao.getChildVertex(componentVertex, EdgeLabelEnum.INTERFACE, JsonParseFlagEnum.NoParse);
+ if (getToscaElementInt.isRight()) {
+ TitanOperationStatus status = getToscaElementInt.right().value();
+ logger.debug("Failed to get tosca element {} while adding or updating operation. Status is {}. ", interfaceDef.getUniqueId(), status);
+ statusRes = DaoStatusConverter.convertTitanStatusToStorageStatus(status);
+ return Either.right(statusRes);
+ }
+ GraphVertex interfaceVertex = getToscaElementInt.left().value();
+ if (!isUpdateAction) {
+ initNewOperation(operation);
}
- public Either<InterfaceDefinition, StorageOperationStatus> addInterface(String resourceId,
- InterfaceDefinition interfaceDefinition) {
- return addOrUpdateInterface(false, resourceId, interfaceDefinition);
+ statusRes = performUpdateToscaAction(isUpdateAction, interfaceVertex, Arrays.asList(operation),
+ EdgeLabelEnum.INTERFACE_OPERATION, VertexTypeEnum.INTERFACE_OPERATION);
+ if (!statusRes.equals(StorageOperationStatus.OK)) {
+ logger.debug("Failed to add or update operation of interface {}. status is {}", interfaceDef.getUniqueId(), statusRes);
+ return Either.right(statusRes);
}
- public Either<InterfaceDefinition, StorageOperationStatus> updateInterface(String resourceId,
- InterfaceDefinition interfaceDefinition) {
- return addOrUpdateInterface(true, resourceId, interfaceDefinition);
+ getUpdatedInterfaceDef(interfaceDef, operation, operation.getUniqueId());
+ Either<InterfaceDefinition, StorageOperationStatus> intUpdateStatus = updateInterface(componentId, interfaceDef);
+ if (intUpdateStatus.isRight() && !intUpdateStatus.right().value().equals(StorageOperationStatus.OK)) {
+ logger.debug("Failed to update interface details on component {}. status is {}", componentId, statusRes);
+ return Either.right(statusRes);
}
- private Either<InterfaceDefinition, StorageOperationStatus> addOrUpdateInterface(
- boolean isUpdateAction, String resourceId, InterfaceDefinition interfaceDefinition) {
+ return Either.left(operation);
+ }
- StorageOperationStatus statusRes;
- Either<GraphVertex, TitanOperationStatus> getToscaElementRes;
+ public Either<Operation, StorageOperationStatus> deleteInterfaceOperation(String componentId, InterfaceDefinition interfaceDef, String operationToDelete) {
+ Either<GraphVertex, TitanOperationStatus> getInterfaceVertex;
+ Either<GraphVertex, TitanOperationStatus> getComponentVertex;
+ Operation operation = new Operation();
+ StorageOperationStatus status = null;
- getToscaElementRes = titanDao.getVertexById(resourceId, JsonParseFlagEnum.NoParse);
- if (getToscaElementRes.isRight()) {
- TitanOperationStatus status = getToscaElementRes.right().value();
- CommonUtility.addRecordToLog(logger, CommonUtility.LogLevelEnum.DEBUG,
- "Failed to get tosca element {} upon adding the properties. Status is {}. ", resourceId, status);
- statusRes = DaoStatusConverter.convertTitanStatusToStorageStatus(status);
- return Either.right(statusRes);
- }
- GraphVertex resourceVertex = getToscaElementRes.left().value();
- if (!isUpdateAction) {
- interfaceDefinition.setUniqueId(UUID.randomUUID().toString());
+ getComponentVertex = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
+ if (getComponentVertex.isRight()) {
+ return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getComponentVertex.right().value()));
+ }
+
+ getInterfaceVertex = titanDao.getChildVertex(getComponentVertex.left().value(), EdgeLabelEnum.INTERFACE, JsonParseFlagEnum.NoParse);
+ if (getInterfaceVertex.isRight()) {
+ return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getInterfaceVertex.right().value()));
+ }
+
+ Optional<Entry<String, Operation>> operationToRemove = interfaceDef.getOperationsMap().entrySet().stream()
+ .filter(entry -> entry.getValue().getUniqueId().equals(operationToDelete)).findAny();
+ if (operationToRemove.isPresent()){
+ Map.Entry<String, Operation> stringOperationEntry = operationToRemove.get();
+ operation = stringOperationEntry.getValue();
+ ArtifactDefinition implementationArtifact = operation.getImplementationArtifact();
+ String artifactUUID = implementationArtifact.getArtifactUUID();
+ CassandraOperationStatus cassandraStatus = artifactCassandraDao.deleteArtifact(artifactUUID);
+ if (cassandraStatus != CassandraOperationStatus.OK) {
+ logger.debug("Failed to delete the artifact {} from the database. ", artifactUUID);
+ return Either.right(DaoStatusConverter.convertCassandraStatusToStorageStatus(cassandraStatus));
+ }
+
+ if(interfaceDef.getOperationsMap().size() > 1){
+ status = deleteToscaDataElements(getInterfaceVertex.left().value(), EdgeLabelEnum.INTERFACE_OPERATION, Arrays.asList(operationToDelete));
+ if (status != StorageOperationStatus.OK) {
+ return Either.right(status);
}
- statusRes = performUpdateToscaAction(isUpdateAction, resourceVertex, Arrays.asList(interfaceDefinition),
- JsonPresentationFields.INTERFACE);
- if (!statusRes.equals(StorageOperationStatus.OK)) {
- logger.error("Failed to find the parent capability of capability type {}. status is {}", resourceId,
- statusRes);
- return Either.right(statusRes);
+ } else {
+ status = removeToscaDataVertex(getInterfaceVertex.left().value(), EdgeLabelEnum.INTERFACE_OPERATION, VertexTypeEnum.INTERFACE_OPERATION);
+ if (status != StorageOperationStatus.OK) {
+ return Either.right(status);
}
- return Either.left(interfaceDefinition);
- }
+ }
- private StorageOperationStatus performUpdateToscaAction(boolean isUpdate, GraphVertex graphVertex,
- List<InterfaceDefinition> toscaDataList, JsonPresentationFields mapKeyField) {
- if (isUpdate) {
- return updateToscaDataOfToscaElement(graphVertex, EdgeLabelEnum.INTERFACE_ARTIFACTS,
- VertexTypeEnum.INTERFACE_ARTIFACTS, toscaDataList, JsonPresentationFields.UNIQUE_ID);
- } else {
- return addToscaDataToToscaElement(graphVertex, EdgeLabelEnum.INTERFACE_ARTIFACTS,
- VertexTypeEnum.INTERFACE_ARTIFACTS, toscaDataList, JsonPresentationFields.UNIQUE_ID);
+ getUpdatedInterfaceDef(interfaceDef, null, operationToDelete);
+ if (interfaceDef.getOperations().isEmpty()) {
+ status = removeToscaDataVertex(getComponentVertex.left().value(), EdgeLabelEnum.INTERFACE, VertexTypeEnum.INTERFACE);
+ if (status != StorageOperationStatus.OK) {
+ return Either.right(status);
}
+ }
+ else {
+ Either<InterfaceDefinition, StorageOperationStatus> intUpdateStatus = updateInterface(componentId, interfaceDef);
+ if (intUpdateStatus.isRight() && !intUpdateStatus.right().value().equals(StorageOperationStatus.OK)) {
+ return Either.right(status);
+ }
+ }
}
-
+ return Either.left(operation);
+ }
+
+ public Either<Operation, StorageOperationStatus> getInterfaceOperation(InterfaceDefinition interfaceDef, String operationToGet) {
+ Operation operation = new Operation();
+ Optional<Entry<String, Operation>> operationToFetch = interfaceDef.getOperationsMap().entrySet().stream()
+ .filter(entry -> entry.getValue().getUniqueId().equals(operationToGet)).findAny();
+ if (operationToFetch.isPresent()){
+ Map.Entry<String, Operation> stringOperationEntry = operationToFetch.get();
+ operation = stringOperationEntry.getValue();
+ }
+ return Either.left(operation);
+ }
+
+ private StorageOperationStatus performUpdateToscaAction(boolean isUpdate, GraphVertex graphVertex,
+ List<ToscaDataDefinition> toscaDataList, EdgeLabelEnum edgeLabel, VertexTypeEnum vertexLabel) {
+ if (isUpdate) {
+ return updateToscaDataOfToscaElement(graphVertex, edgeLabel, vertexLabel, toscaDataList, JsonPresentationFields.UNIQUE_ID);
+ } else {
+ return addToscaDataToToscaElement(graphVertex, edgeLabel, vertexLabel, toscaDataList, JsonPresentationFields.UNIQUE_ID);
+ }
+ }
+
+ private void initNewOperation(Operation operation){
+ ArtifactDefinition artifactDefinition = new ArtifactDefinition();
+ String artifactUUID = UUID.randomUUID().toString();
+ artifactDefinition.setArtifactUUID(artifactUUID);
+ artifactDefinition.setUniqueId(artifactUUID);
+ artifactDefinition.setArtifactType(ArtifactTypeEnum.PLAN.getType());
+ artifactDefinition.setArtifactGroupType(ArtifactGroupTypeEnum.LIFE_CYCLE);
+ operation.setImplementation(artifactDefinition);
+ operation.setUniqueId(UUID.randomUUID().toString());
+ }
+
+ private InterfaceDefinition getUpdatedInterfaceDef(InterfaceDefinition interfaceDef, Operation operation, String operationId){
+ Map<String, Operation> operationMap = interfaceDef.getOperationsMap();
+ if(operation != null && !operation.isEmpty()){
+ operationMap.put(operationId, operation);
+ interfaceDef.setOperationsMap(operationMap);
+ }
+ else {
+ operationMap.remove(operationId);
+ interfaceDef.setOperationsMap(operationMap);
+ }
+ return interfaceDef;
+ }
}
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java
index e01e02397f..0f124fd2eb 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/operations/TopologyTemplateOperation.java
@@ -711,7 +711,7 @@ public class TopologyTemplateOperation extends ToscaElementOperation {
}
private TitanOperationStatus setInterfcesFromGraph(GraphVertex componentV, TopologyTemplate topologyTemplate) {
- Either<Map<String, InterfaceDataDefinition>, TitanOperationStatus> result = getDataFromGraph(componentV, EdgeLabelEnum.INTERFACE_ARTIFACTS);
+ Either<Map<String, InterfaceDataDefinition>, TitanOperationStatus> result = getDataFromGraph(componentV, EdgeLabelEnum.INTERFACE);
if (result.isLeft()) {
topologyTemplate.setInterfaces(result.left().value());
} else {
@@ -730,7 +730,7 @@ public class TopologyTemplateOperation extends ToscaElementOperation {
public StorageOperationStatus associateInterfacesToComponent(GraphVertex nodeTypeVertex, Map<String, InterfaceDataDefinition> interfaceMap) {
if (interfaceMap != null && !interfaceMap.isEmpty()) {
- Either<GraphVertex, StorageOperationStatus> assosiateElementToData = associateElementToData(nodeTypeVertex, VertexTypeEnum.INTERFACE_ARTIFACTS, EdgeLabelEnum.INTERFACE_ARTIFACTS, interfaceMap);
+ Either<GraphVertex, StorageOperationStatus> assosiateElementToData = associateElementToData(nodeTypeVertex, VertexTypeEnum.INTERFACE, EdgeLabelEnum.INTERFACE, interfaceMap);
if (assosiateElementToData.isRight()) {
return assosiateElementToData.right().value();
}
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 a350d7ea17..249de97d86 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
@@ -65,27 +65,7 @@ public class InterfaceUtils {
}
}
- public static Map<String, Operation> getInterfaceOperationsFromInterfaces(
- Map<String, InterfaceDefinition> interfaces,
- Resource resource) throws IllegalStateException {
- if (MapUtils.isEmpty(interfaces)) {
- return Collections.EMPTY_MAP;
- }
- Optional<InterfaceDefinition> optionalInterface = getInterfaceDefinitionFromToscaName(
- interfaces.values(), resource.getName());
- if (!optionalInterface.isPresent()) {
- return Collections.EMPTY_MAP;
- }
- InterfaceDefinition interfaceDefinition = optionalInterface.get();
- interfaceDefinition.getOperationsMap().values().stream()
- .forEach(operation -> createInputOutput(operation, resource.getInputs()));
-
-
- return interfaceDefinition.getOperationsMap();
-
- }
-
- private static void createInputOutput(Operation operation, List<InputDefinition> inputs) throws IllegalStateException {
+ public static void createInputOutput(Operation operation, List<InputDefinition> inputs) throws IllegalStateException {
ListDataDefinition<OperationInputDefinition> inputDefinitionListDataDefinition = operation.getInputs();
if (inputDefinitionListDataDefinition != null) {
return;
@@ -130,13 +110,5 @@ public class InterfaceUtils {
}
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)) {
- operationData = interfaces.values().stream()
- .filter(a -> MapUtils.isNotEmpty(a.getOperationsMap()))
- .map(a-> new ArrayList<>(a.getOperationsMap().values())).flatMap(List::stream).collect(Collectors.toList());
- }
- return operationData;
- }
+
}
diff --git a/catalog-model/src/test/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtilsTest.java b/catalog-model/src/test/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtilsTest.java
index 9d44232cd0..fbf01bc91d 100644
--- a/catalog-model/src/test/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtilsTest.java
+++ b/catalog-model/src/test/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtilsTest.java
@@ -47,24 +47,4 @@ public class InterfaceUtilsTest {
// default test
result = InterfaceUtils.createInterfaceToscaResourceName(resourceName);
}
-
-
- @Test
- public void testGetInterfaceOperationsFromInterfaces() throws Exception {
- Map<String, InterfaceDefinition> interfaces = null;
- Resource resource = null;
- Map<String, Operation> result;
-
- // default test
- result = InterfaceUtils.getInterfaceOperationsFromInterfaces(interfaces, resource);
- }
-
- @Test
- public void testGetOperationsFromInterface() throws Exception {
- Map<String, InterfaceDefinition> interfaces = null;
- List<Operation> result;
-
- // default test
- result = InterfaceUtils.getOperationsFromInterface(interfaces);
- }
} \ No newline at end of file