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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2019 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.impl;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.SetMultimap;
import org.apache.commons.collections.CollectionUtils;
import org.javatuples.Pair;
import org.openecomp.sdc.be.components.impl.ResponseFormatManager;
import org.openecomp.sdc.be.components.merge.instance.DataForMergeHolder;
import org.openecomp.sdc.be.datamodel.NameIdPair;
import org.openecomp.sdc.be.datamodel.NameIdPairWrapper;
import org.openecomp.sdc.be.datamodel.ServiceRelations;
import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ForwardingPathElementDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
import org.openecomp.sdc.be.model.CapabilityDefinition;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.Service;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
public class ForwardingPathUtils {
public static final String FORWARDING_PATH_NODE_NAME = "Forwarding Path";
public static final String FORWARDER_CAPABILITY = "org.openecomp.capabilities.Forwarder";
public ServiceRelations convertServiceToServiceRelations(Service service) {
ServiceRelations serviceRelations = new ServiceRelations();
List<ComponentInstance> componentInstances = service.getComponentInstances();
if (componentInstances == null || componentInstances.isEmpty()) {
return serviceRelations;
}
Set<NameIdPairWrapper> relations = new HashSet<>();
//@todo get all capabilities and requirements.
SetMultimap<NameIdPair, NameIdPair> nodeToCP = HashMultimap.create();
componentInstances.forEach(ci -> initNodeToCP(ci, nodeToCP));
handleRelDef(relations, nodeToCP);
serviceRelations.setRelations(relations);
return serviceRelations;
}
private void initNodeToCP(ComponentInstance ci, SetMultimap<NameIdPair, NameIdPair> nodeToCP) {
if (ci.getCapabilities() == null){
return;
}
Set<CapabilityDefinition> capabilities = ci.getCapabilities().values().stream().flatMap(Collection::stream).collect(Collectors.toSet());
if (!CollectionUtils.isNotEmpty(capabilities)) {
return;
}
Set<CapabilityDefinition> forwarderCapabilities = capabilities.stream().filter(capabilityDefinition -> capabilityDefinition.getType().equals(FORWARDER_CAPABILITY)).collect(Collectors.toSet());
if (!CollectionUtils.isNotEmpty(forwarderCapabilities)) {
return;
}
NameIdPair node = new NameIdPair(ci.getName(), ci.getName());
forwarderCapabilities.forEach(fc -> {
NameIdPair capability = new NameIdPair(fc.getName(), fc.getName(), fc.getOwnerId());
nodeToCP.put(node, capability);
});
}
private void handleRelDef(Set<NameIdPairWrapper> relations, SetMultimap<NameIdPair, NameIdPair> nodeToCP) {
nodeToCP.keySet().forEach(fromNode -> {
NameIdPairWrapper nameIdPairWrapper = new NameIdPairWrapper();
nameIdPairWrapper.init(fromNode);
if (!relations.contains(nameIdPairWrapper)) {
relations.add(nameIdPairWrapper);
Collection<NameIdPair> fromCps = nodeToCP.get(fromNode);
fromCps.forEach(fromCP -> handleFromCp(nodeToCP, nameIdPairWrapper));
}
});
}
private void handleFromCp(SetMultimap<NameIdPair, NameIdPair> nodeToCP, NameIdPairWrapper wrapper) {
Map<NameIdPair, Set<NameIdPair>> options = toMap(nodeToCP);
Set<NameIdPair> cpOptions = options.get(wrapper.getNameIdPair());
List<NameIdPairWrapper> wrappers = cpOptions.stream().map(this::createWrapper).collect(Collectors.toList());
wrappers.forEach(cpOptionWrapper -> {
org.openecomp.sdc.be.datamodel.NameIdPair data = wrapper.getData();
data.addWrappedData(cpOptionWrapper);
});
}
private NameIdPairWrapper createWrapper(NameIdPair cpOption) {
NameIdPairWrapper nameIdPairWrapper = new NameIdPairWrapper();
nameIdPairWrapper.init(new NameIdPair(cpOption));
return nameIdPairWrapper;
}
private Map<NameIdPair, Set<NameIdPair>> toMap(SetMultimap<NameIdPair, NameIdPair> nodeToCP) {
Map<NameIdPair, Set<NameIdPair>> retVal = new HashMap<>();
nodeToCP.asMap().forEach((nameIdPair, nameIdPairs) -> retVal.put(nameIdPair, new HashSet<>(nameIdPairs)));
return retVal;
}
protected ResponseFormatManager getResponseFormatManager() {
return ResponseFormatManager.getInstance();
}
public Set<String> findForwardingPathNamesToDeleteOnComponentInstanceDeletion(Service containerService,
String componentInstanceId) {
return findForwardingPathToDeleteOnCIDeletion(containerService, componentInstanceId).values().stream()
.map(ForwardingPathDataDefinition::getName).collect(Collectors.toSet());
}
private Map<String, ForwardingPathDataDefinition> findForwardingPathToDeleteOnCIDeletion(Service containerService,
String componentInstanceId) {
return containerService.getForwardingPaths().entrySet().stream()
.filter(entry -> elementContainsCI(entry, componentInstanceId))
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
}
private boolean elementContainsCI(Map.Entry<String, ForwardingPathDataDefinition> fpEntry,
String componentInstanceId) {
return fpEntry.getValue().getPathElements()
.getListToscaDataDefinition().stream()
.anyMatch(element -> elementContainsCI(element, componentInstanceId));
}
private boolean elementContainsCI(ForwardingPathElementDataDefinition elementDataDefinitions,
String componentInstanceId) {
return elementDataDefinitions.getFromNode().equals(componentInstanceId)
|| elementDataDefinitions.getToNode().equals(componentInstanceId);
}
public Pair<Map<String, ForwardingPathDataDefinition>, Map<String, ForwardingPathDataDefinition>> updateForwardingPathOnVersionChange(
Service containerService, DataForMergeHolder dataHolder,
Component updatedContainerComponent, String newInstanceId) {
Map<String, ForwardingPathDataDefinition> updated = containerService.getForwardingPaths().entrySet().stream()
.filter(entry -> elementContainsCIAndForwarder(entry.getValue(), dataHolder.getOrigComponentInstId(), updatedContainerComponent))
.collect(Collectors.toMap(Map.Entry::getKey,
entry -> updateCI(entry.getValue(), dataHolder.getOrigComponentInstId(),newInstanceId)));
Map<String, ForwardingPathDataDefinition> deleted = containerService.getForwardingPaths().entrySet().stream()
.filter(entry -> elementContainsCIAndDoesNotContainForwarder(entry.getValue(), dataHolder.getOrigComponentInstId(), updatedContainerComponent))
.collect(Collectors.toMap(Map.Entry::getKey,Map.Entry::getValue));
return new Pair<>(updated, deleted);
}
public Set<String> getForwardingPathsToBeDeletedOnVersionChange(
Service containerService, DataForMergeHolder dataHolder, Component updatedContainerComponent) {
return containerService.getForwardingPaths().entrySet().stream()
.filter(entry -> elementContainsCIAndDoesNotContainForwarder(entry.getValue(),
dataHolder.getOrigComponentInstId(), updatedContainerComponent))
.map(entry -> entry.getValue().getUniqueId()).collect( Collectors.toSet());
}
private ForwardingPathDataDefinition updateCI(ForwardingPathDataDefinition inFP, String oldCI, String newCI) {
ForwardingPathDataDefinition retVal = new ForwardingPathDataDefinition(inFP);
List<ForwardingPathElementDataDefinition> fpList = retVal.getPathElements().getListToscaDataDefinition()
.stream().map(element -> updateElement(element, oldCI, newCI)).collect(Collectors.toList());
retVal.setPathElements(new ListDataDefinition<>(fpList));
return retVal;
}
private ForwardingPathElementDataDefinition updateElement(ForwardingPathElementDataDefinition element, String oldCI,
String newCI) {
ForwardingPathElementDataDefinition retVal = new ForwardingPathElementDataDefinition(element);
if (retVal.getFromNode().equals(oldCI)) {
retVal.setFromNode(newCI);
}
if (retVal.getToNode().equals(oldCI)) {
retVal.setToNode(newCI);
}
if (Objects.equals(retVal.getToCPOriginId(),oldCI )) {
retVal.setToCPOriginId(newCI);
}
if (Objects.equals(retVal.getFromCPOriginId(),oldCI)) {
retVal.setFromCPOriginId(newCI);
}
return retVal;
}
private boolean elementContainsCIAndForwarder(ForwardingPathDataDefinition forwardingPathDataDefinition,
String oldCIId, Component newCI) {
return forwardingPathDataDefinition.getPathElements()
.getListToscaDataDefinition().stream()
.anyMatch(element -> elementContainsCIAndForwarder(element, oldCIId, newCI));
}
private boolean elementContainsCIAndForwarder(ForwardingPathElementDataDefinition elementDataDefinitions,
String oldCIId, Component newCI) {
return (elementDataDefinitions.getFromNode().equals(oldCIId) && ciContainsForwarder(newCI,
elementDataDefinitions.getFromCP()))
|| (elementDataDefinitions.getToNode().equals(oldCIId) && ciContainsForwarder(newCI,
elementDataDefinitions.getToCP()));
}
private boolean ciContainsForwarder(Component newCI, String capabilityID) {
if (newCI.getCapabilities() == null){
return false;
}
return newCI.getCapabilities().values()
.stream()
.flatMap(List::stream)
.anyMatch(c -> c.getName().equals(capabilityID));
}
private boolean elementContainsCIAndDoesNotContainForwarder(
ForwardingPathDataDefinition forwardingPathDataDefinition,
String oldCIId, Component newCI) {
return forwardingPathDataDefinition.getPathElements()
.getListToscaDataDefinition().stream()
.anyMatch(element -> elementContainsCIAndDoesNotContainForwarder(element, oldCIId, newCI));
}
private boolean elementContainsCIAndDoesNotContainForwarder(
ForwardingPathElementDataDefinition elementDataDefinitions,
String oldCIId, Component newCI) {
return (elementDataDefinitions.getFromNode().equals(oldCIId) && !ciContainsForwarder(newCI,
elementDataDefinitions.getFromCP()))
|| (elementDataDefinitions.getToNode().equals(oldCIId) && !ciContainsForwarder(newCI,
elementDataDefinitions.getToCP()));
}
public Set<ForwardingPathDataDefinition> updateComponentInstanceName(Collection<ForwardingPathDataDefinition> forwardingPathDataDefinitions,
String oldName, String newName){
return forwardingPathDataDefinitions.stream().filter(fp -> shouldRenameCI(fp,oldName)).
map(forwardingPathDataDefinition -> renamePathCI(forwardingPathDataDefinition,oldName,newName))
.collect(Collectors.toSet());
}
public boolean shouldRenameCI(ForwardingPathDataDefinition forwardingPathDataDefinitions,
String oldName){
return forwardingPathDataDefinitions.getPathElements().getListToscaDataDefinition().stream()
.anyMatch(pe -> pe.getToNode().equals(oldName) || pe.getFromNode().equals(oldName));
}
public ForwardingPathDataDefinition renamePathCI(ForwardingPathDataDefinition forwardingPathDataDefinitions,
String oldName, String newName){
forwardingPathDataDefinitions.getPathElements().getListToscaDataDefinition().stream()
.forEach(pe -> renamePathCI(pe,oldName, newName));
return forwardingPathDataDefinitions;
}
public void renamePathCI(ForwardingPathElementDataDefinition pathElementDataDefinition,
String oldName, String newName){
if (pathElementDataDefinition.getFromNode().equals(oldName)){
pathElementDataDefinition.setFromNode(newName);
}
if(pathElementDataDefinition.getToNode().equals(oldName)){
pathElementDataDefinition.setToNode(newName);
}
}
}
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