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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.openecomp.sdc.be.model.operations.impl;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.dao.graph.datatype.GraphEdge;
import org.openecomp.sdc.be.dao.neo4j.GraphEdgeLabels;
import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
import org.openecomp.sdc.be.dao.titan.TitanGenericDao;
import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
import org.openecomp.sdc.be.datatypes.elements.GroupTypeDataDefinition;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.model.CapabilityTypeDefinition;
import org.openecomp.sdc.be.model.GroupTypeDefinition;
import org.openecomp.sdc.be.model.PropertyDefinition;
import org.openecomp.sdc.be.model.operations.api.IGroupTypeOperation;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.resources.data.CapabilityTypeData;
import org.openecomp.sdc.be.resources.data.GroupTypeData;
import org.openecomp.sdc.be.resources.data.PropertyData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import fj.data.Either;
@Component("group-type-operation")
public class GroupTypeOperation extends AbstractOperation implements IGroupTypeOperation {
String CREATE_FLOW_CONTEXT = "CreateGroupType";
String GET_FLOW_CONTEXT = "GetGroupType";
private PropertyOperation propertyOperation;
private TitanGenericDao titanGenericDao;
public GroupTypeOperation(@Qualifier("titan-generic-dao") TitanGenericDao titanGenericDao, @Qualifier("property-operation")PropertyOperation propertyOperation) {
super();
this.propertyOperation = propertyOperation;
this.titanGenericDao = titanGenericDao;
}
private static Logger log = LoggerFactory.getLogger(GroupTypeOperation.class.getName());
/**
* FOR TEST ONLY
*
* @param titanGenericDao
*/
public void setTitanGenericDao(TitanGenericDao titanGenericDao) {
this.titanGenericDao = titanGenericDao;
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> addGroupType(GroupTypeDefinition groupTypeDefinition) {
return addGroupType(groupTypeDefinition, false);
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> addGroupType(GroupTypeDefinition groupTypeDefinition, boolean inTransaction) {
Either<GroupTypeDefinition, StorageOperationStatus> result = null;
try {
Either<GroupTypeData, TitanOperationStatus> eitherStatus = addGroupTypeToGraph(groupTypeDefinition);
if (eitherStatus.isRight()) {
BeEcompErrorManager.getInstance().logBeFailedCreateNodeError(CREATE_FLOW_CONTEXT, groupTypeDefinition.getType(), eitherStatus.right().value().name());
result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(eitherStatus.right().value()));
} else {
GroupTypeData groupTypeData = eitherStatus.left().value();
String uniqueId = groupTypeData.getUniqueId();
Either<GroupTypeDefinition, StorageOperationStatus> groupTypeRes = this.getGroupType(uniqueId, true);
if (groupTypeRes.isRight()) {
BeEcompErrorManager.getInstance().logBeFailedRetrieveNodeError(GET_FLOW_CONTEXT, groupTypeDefinition.getType(), eitherStatus.right().value().name());
}
result = groupTypeRes;
}
return result;
} finally {
handleTransactionCommitRollback(inTransaction, result);
}
}
public Either<GroupTypeDefinition, TitanOperationStatus> getGroupTypeByUid(String uniqueId) {
Either<GroupTypeDefinition, TitanOperationStatus> result = null;
Either<GroupTypeData, TitanOperationStatus> groupTypesRes = titanGenericDao.getNode(UniqueIdBuilder.getKeyByNodeType(NodeTypeEnum.GroupType), uniqueId, GroupTypeData.class);
if (groupTypesRes.isRight()) {
TitanOperationStatus status = groupTypesRes.right().value();
log.debug("Group type {} cannot be found in graph. status is {}", uniqueId, status);
return Either.right(status);
}
GroupTypeData gtData = groupTypesRes.left().value();
GroupTypeDefinition groupTypeDefinition = new GroupTypeDefinition(gtData.getGroupTypeDataDefinition());
TitanOperationStatus propertiesStatus = propertyOperation.fillProperties(uniqueId, properList -> groupTypeDefinition.setProperties(properList));
if (propertiesStatus != TitanOperationStatus.OK) {
log.error("Failed to fetch properties of capability type {}", uniqueId);
return Either.right(propertiesStatus);
}
result = Either.left(groupTypeDefinition);
return result;
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> getGroupType(String uniqueId) {
return getGroupType(uniqueId, false);
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> getGroupType(String uniqueId, boolean inTransaction) {
return getElementType(this::getGroupTypeByUid, uniqueId, inTransaction);
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> getLatestGroupTypeByType(String type) {
return getLatestGroupTypeByType(type, false);
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> getLatestGroupTypeByType(String type, boolean inTransaction) {
Map<String, Object> mapCriteria = new HashMap<>();
mapCriteria.put(GraphPropertiesDictionary.TYPE.getProperty(), type);
mapCriteria.put(GraphPropertiesDictionary.IS_HIGHEST_VERSION.getProperty(), true);
return getGroupTypeByCriteria(type, mapCriteria, inTransaction);
}
public Either<GroupTypeDefinition, StorageOperationStatus> getGroupTypeByCriteria(String type, Map<String, Object> properties, boolean inTransaction) {
Either<GroupTypeDefinition, StorageOperationStatus> result = null;
try {
if (type == null || type.isEmpty()) {
log.error("type is empty");
result = Either.right(StorageOperationStatus.INVALID_ID);
return result;
}
Either<List<GroupTypeData>, TitanOperationStatus> groupTypeEither = titanGenericDao.getByCriteria(NodeTypeEnum.GroupType, properties, GroupTypeData.class);
if (groupTypeEither.isRight()) {
result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(groupTypeEither.right().value()));
} else {
GroupTypeDataDefinition dataDefinition = groupTypeEither.left().value().stream().map(e -> e.getGroupTypeDataDefinition()).findFirst().get();
result = getGroupType(dataDefinition.getUniqueId(), inTransaction);
}
return result;
} finally {
handleTransactionCommitRollback(inTransaction, result);
}
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> getGroupTypeByTypeAndVersion(String type, String version) {
return getGroupTypeByTypeAndVersion(type, version, false);
}
@Override
public Either<GroupTypeDefinition, StorageOperationStatus> getGroupTypeByTypeAndVersion(String type, String version, boolean inTransaction) {
Map<String, Object> mapCriteria = new HashMap<>();
mapCriteria.put(GraphPropertiesDictionary.TYPE.getProperty(), type);
mapCriteria.put(GraphPropertiesDictionary.VERSION.getProperty(), version);
return getGroupTypeByCriteria(type, mapCriteria, inTransaction);
}
/**
*
* Add group type to graph.
*
* 1. Add group type node
*
* 2. Add edge between the former node to its parent(if exists)
*
* 3. Add property node and associate it to the node created at #1. (per property & if exists)
*
* @param groupTypeDefinition
* @return
*/
private Either<GroupTypeData, TitanOperationStatus> addGroupTypeToGraph(GroupTypeDefinition groupTypeDefinition) {
log.debug("Got group type {}", groupTypeDefinition);
String ctUniqueId = UniqueIdBuilder.buildGroupTypeUid(groupTypeDefinition.getType(), groupTypeDefinition.getVersion());
// capabilityTypeDefinition.setUniqueId(ctUniqueId);
GroupTypeData groupTypeData = buildGroupTypeData(groupTypeDefinition, ctUniqueId);
log.debug("Before adding group type to graph. groupTypeData = {}", groupTypeData);
Either<GroupTypeData, TitanOperationStatus> createGTResult = titanGenericDao.createNode(groupTypeData, GroupTypeData.class);
log.debug("After adding group type to graph. status is = {}", createGTResult);
if (createGTResult.isRight()) {
TitanOperationStatus operationStatus = createGTResult.right().value();
log.error("Failed to add group type {} to graph. status is {}", groupTypeDefinition.getType(), operationStatus);
return Either.right(operationStatus);
}
GroupTypeData resultCTD = createGTResult.left().value();
List<PropertyDefinition> properties = groupTypeDefinition.getProperties();
Either<Map<String, PropertyData>, TitanOperationStatus> addPropertiesToCapablityType = propertyOperation.addPropertiesToElementType(resultCTD.getUniqueId(), NodeTypeEnum.GroupType, properties);
if (addPropertiesToCapablityType.isRight()) {
log.error("Failed add properties {} to capability {}", properties, groupTypeDefinition.getType());
return Either.right(addPropertiesToCapablityType.right().value());
}
String derivedFrom = groupTypeDefinition.getDerivedFrom();
if (derivedFrom != null) {
// TODO: Need to find the parent. need to take the latest one since
// we may have many versions of the same type
/*
* log.debug("Before creating relation between group type {} to its parent {}", ctUniqueId, derivedFrom); UniqueIdData from = new UniqueIdData(NodeTypeEnum.CapabilityType, ctUniqueId); UniqueIdData to = new
* UniqueIdData(NodeTypeEnum.CapabilityType, derivedFrom); Either<GraphRelation, TitanOperationStatus> createRelation = titanGenericDao .createRelation(from, to, GraphEdgeLabels.DERIVED_FROM, null);
* log.debug("After create relation between capability type {} to its parent {}. status is {}", ctUniqueId, derivedFrom, createRelation); if (createRelation.isRight()) { return Either.right(createRelation.right().value()); }
*
*/
}
return Either.left(createGTResult.left().value());
}
/**
*
* convert between graph Node object to Java object
*
* @param capabilityTypeData
* @return
*/
protected CapabilityTypeDefinition convertCTDataToCTDefinition(CapabilityTypeData capabilityTypeData) {
log.debug("The object returned after create capability is {}", capabilityTypeData);
CapabilityTypeDefinition capabilityTypeDefResult = new CapabilityTypeDefinition(capabilityTypeData.getCapabilityTypeDataDefinition());
return capabilityTypeDefResult;
}
private GroupTypeData buildGroupTypeData(GroupTypeDefinition groupTypeDefinition, String ctUniqueId) {
GroupTypeData groupTypeData = new GroupTypeData(groupTypeDefinition);
groupTypeData.getGroupTypeDataDefinition().setUniqueId(ctUniqueId);
Long creationDate = groupTypeData.getGroupTypeDataDefinition().getCreationTime();
if (creationDate == null) {
creationDate = System.currentTimeMillis();
}
groupTypeData.getGroupTypeDataDefinition().setCreationTime(creationDate);
groupTypeData.getGroupTypeDataDefinition().setModificationTime(creationDate);
return groupTypeData;
}
public Either<Boolean, StorageOperationStatus> isCapabilityTypeDerivedFrom(String childCandidateType, String parentCandidateType) {
Map<String, Object> propertiesToMatch = new HashMap<String, Object>();
propertiesToMatch.put(UniqueIdBuilder.getKeyByNodeType(NodeTypeEnum.CapabilityType), childCandidateType);
Either<List<CapabilityTypeData>, TitanOperationStatus> getResponse = titanGenericDao.getByCriteria(NodeTypeEnum.CapabilityType, propertiesToMatch, CapabilityTypeData.class);
if (getResponse.isRight()) {
TitanOperationStatus titanOperationStatus = getResponse.right().value();
log.debug("Couldn't fetch capability type {}, error: {}", childCandidateType, titanOperationStatus);
return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(titanOperationStatus));
}
String childUniqueId = getResponse.left().value().get(0).getUniqueId();
Set<String> travelledTypes = new HashSet<>();
do {
travelledTypes.add(childUniqueId);
Either<List<ImmutablePair<CapabilityTypeData, GraphEdge>>, TitanOperationStatus> childrenNodes = titanGenericDao.getChildrenNodes(UniqueIdBuilder.getKeyByNodeType(NodeTypeEnum.CapabilityType), childUniqueId, GraphEdgeLabels.DERIVED_FROM,
NodeTypeEnum.CapabilityType, CapabilityTypeData.class);
if (childrenNodes.isRight()) {
if (childrenNodes.right().value() != TitanOperationStatus.NOT_FOUND) {
TitanOperationStatus titanOperationStatus = getResponse.right().value();
log.debug("Couldn't fetch derived from node for capability type {}, error: {}", childCandidateType, titanOperationStatus);
return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(titanOperationStatus));
} else {
log.debug("Derived from node is not found for type {} - this is OK for root capability.");
return Either.left(false);
}
}
String derivedFromUniqueId = childrenNodes.left().value().get(0).getLeft().getUniqueId();
if (derivedFromUniqueId.equals(parentCandidateType)) {
log.debug("Verified that capability type {} derives from capability type {}", childCandidateType, parentCandidateType);
return Either.left(true);
}
childUniqueId = derivedFromUniqueId;
} while (!travelledTypes.contains(childUniqueId));
// this stop condition should never be used, if we use it, we have an
// illegal cycle in graph - "derived from" hierarchy cannot be cycled.
// It's here just to avoid infinite loop in case we have such cycle.
log.error("Detected a cycle of \"derived from\" edges starting at capability type node {}", childUniqueId);
return Either.right(StorageOperationStatus.GENERAL_ERROR);
}
/**
* FOR TEST ONLY
*
* @param propertyOperation
*/
public void setPropertyOperation(PropertyOperation propertyOperation) {
this.propertyOperation = propertyOperation;
}
@Override
public Either<GroupTypeData, TitanOperationStatus> getLatestGroupTypeByNameFromGraph(String name) {
return null;
}
}
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