/**
* Creates or fetches a JPA Node Entity for JSON Node Used for PUT and POST Requests for
* NodeResource The services and commands are updated from that of the JSON Node
*
* @param nodeEntity
* @return
*/
public org.nikhil.webapp.nodeadmin.entity.Node getJPANodeFromJSONNode(Node jsonNode) {
String nodeName = jsonNode.getName();
org.nikhil.webapp.nodeadmin.entity.Node jpaNode = nodeOperation.getNode(nodeName);
boolean addingANode = false;
boolean prevServicesPresent = false;
boolean prevCmmandsPresent = false;
if (jpaNode == null) {
// Create Mode
jpaNode = new org.nikhil.webapp.nodeadmin.entity.Node();
jpaNode.setName(nodeName);
addingANode = true;
}
// create / update Mode
jpaNode.setDescription(jsonNode.getDescription());
jpaNode.setIpAddress(jsonNode.getIpAddress());
jpaNode.setMaster(jsonNode.isMaster());
jpaNode.setUserName(jsonNode.getUserName());
jpaNode.setPassword(jsonNode.getPassword());
jpaNode.setShutdownTimer(jsonNode.getShutdownTimer());
jpaNode.setRestartTimer(jsonNode.getRestartTimer());
jpaNode.setStatus(jsonNode.getStatus());
/* Add or Update the existing NodeService relationships
optimizing single fetch for node services
*/
List<NodeAndService> nodeAssiginedServices = jpaNode.getNodeServices();
if (jsonNode.getServices().size() > 0) {
prevServicesPresent = true;
for (Service jsonService : jsonNode.getServices()) {
org.nikhil.webapp.nodeadmin.entity.Service jpaService = null;
org.nikhil.webapp.nodeadmin.entity.NodeAndService jpaNodeAndService = null;
boolean serviceFoundAlreadyLinked = false;
if (nodeAssiginedServices.size() > 0) {
for (org.nikhil.webapp.nodeadmin.entity.NodeAndService fetchedNodeAndService :
nodeAssiginedServices) {
if (fetchedNodeAndService
.getCompositePK()
.getService()
.getName()
.equals(jsonService.getName())) {
jpaNodeAndService = fetchedNodeAndService;
serviceFoundAlreadyLinked = true;
break;
}
}
}
// Add service relationship for current json service
if (!serviceFoundAlreadyLinked || nodeAssiginedServices.size() == 0) {
jpaService = serviceOperation.getService(jsonService.getName());
jpaNodeAndService = new NodeAndService();
jpaNodeAndService.setCompositePK(new NodeAndServiceId(jpaNode, jpaService));
// adding relationship
jpaNode.getNodeServices().add(jpaNodeAndService);
}
// so here we have jpanodeandservice identified either new and added or retrieved from node
// itself - update it now
jpaNodeAndService.setAdditionalRunParamsStart(jsonService.getAdditionalRunParamsStart());
jpaNodeAndService.setAdditionalRunParamsStop(jsonService.getAdditionalRunParamsStop());
jpaNodeAndService.setStatusWildCardOverride(jsonService.getStatusWildCardOverride());
jpaNodeAndService.setStatusCommandOverride(jsonService.getStatusCommandOverride());
jpaNodeAndService.setRundir(jsonService.getRundir());
jpaNodeAndService.setRunning(jsonService.isRunning());
}
/* delete the relationships that are not part of new assignment
* if adding a node all service relationships are new so no need to delete anything from jpaNode
*/
if (prevServicesPresent && !addingANode) {
int index = 0;
ArrayList<Integer> deleteIndices = new ArrayList<Integer>();
for (org.nikhil.webapp.nodeadmin.entity.NodeAndService fetchedNodeAndService :
nodeAssiginedServices) {
boolean serviceMatched = false;
for (Service jsonService : jsonNode.getServices()) {
if (fetchedNodeAndService
.getCompositePK()
.getService()
.getName()
.equals(jsonService.getName())) {
serviceMatched = true;
break;
}
}
if (!serviceMatched) {
deleteIndices.add(index);
}
index++;
}
// delete unmatched services
for (Integer indexToDelete : deleteIndices) {
nodeAssiginedServices.remove(indexToDelete.intValue());
}
}
}
List<NodeAndCommand> nodeAssiginedCommands = jpaNode.getNodeCommands();
if (jsonNode.getCommands().size() > 0) {
prevCmmandsPresent = true;
for (Command jsonCommand : jsonNode.getCommands()) {
org.nikhil.webapp.nodeadmin.entity.Command jpaCommand = null;
org.nikhil.webapp.nodeadmin.entity.NodeAndCommand jpaNodeAndCommand = null;
boolean commandFoundAlreadyLinked = false;
if (nodeAssiginedCommands.size() > 0) {
for (org.nikhil.webapp.nodeadmin.entity.NodeAndCommand fetchedNodeAndCommand :
nodeAssiginedCommands) {
if (fetchedNodeAndCommand
.getCompositePK()
.getCommand()
.getName()
.equals(jsonCommand.getName())) {
jpaNodeAndCommand = fetchedNodeAndCommand;
commandFoundAlreadyLinked = true;
break;
}
}
}
// Add command relationship for current json command
if (!commandFoundAlreadyLinked || nodeAssiginedCommands.size() == 0) {
jpaCommand = commandOperation.getCommand(jsonCommand.getName());
jpaNodeAndCommand = new NodeAndCommand();
jpaNodeAndCommand.setCompositePK(new NodeAndCommandId(jpaNode, jpaCommand));
// adding relationship
jpaNode.getNodeCommands().add(jpaNodeAndCommand);
}
// so here we have jpanodeandcommand identified either new and added or retrieved from node
// itself - update it now
jpaNodeAndCommand.setAdditionalRunParams(jsonCommand.getAdditionalRunParams());
jpaNodeAndCommand.setAlwaysRunInBackground(jsonCommand.isAlwaysRunInBackground());
jpaNodeAndCommand.setRundir(jsonCommand.getRundir());
}
/* delete the relationships that are not part of new assignment
* if adding a node all command relationships are new so no need to delete anything from jpaNode
*/
if (prevCmmandsPresent && !addingANode) {
int index = 0;
ArrayList<Integer> deleteIndices = new ArrayList<Integer>();
for (org.nikhil.webapp.nodeadmin.entity.NodeAndCommand fetchedNodeAndCommand :
nodeAssiginedCommands) {
boolean commandMatched = false;
for (Command jsonCommand : jsonNode.getCommands()) {
if (fetchedNodeAndCommand
.getCompositePK()
.getCommand()
.getName()
.equals(jsonCommand.getName())) {
commandMatched = true;
break;
}
}
if (!commandMatched) {
deleteIndices.add(index);
}
index++;
}
// delete unmatched commands
for (Integer indexToDelete : deleteIndices) {
nodeAssiginedCommands.remove(indexToDelete.intValue());
}
}
}
return jpaNode;
}
/**
* Creates and returns a JSON Node for a JPA Node Entity Used for GET Requests for NodeResource
*
* @param nodeEntity
* @return
*/
public Node getNodeJSONFromNodeEntity(org.nikhil.webapp.nodeadmin.entity.Node nodeEntity) {
Node nodeJson = new Node();
nodeJson.setName(nodeEntity.getName());
nodeJson.setDescription(nodeEntity.getDescription());
nodeJson.setIpAddress(nodeEntity.getIpAddress());
nodeJson.setMaster(nodeEntity.isMaster());
nodeJson.setUserName(nodeEntity.getUserName());
nodeJson.setPassword(nodeEntity.getPassword());
nodeJson.setShutdownTimer(nodeEntity.getShutdownTimer());
nodeJson.setRestartTimer(nodeEntity.getRestartTimer());
nodeJson.setStatus(nodeEntity.getStatus());
for (NodeAndService nodeAndService : nodeEntity.getNodeServices()) {
Service service = new Service();
org.nikhil.webapp.nodeadmin.entity.Service serviceToCopyFrom =
nodeAndService.getCompositePK().getService();
service.setName(serviceToCopyFrom.getName());
service.setDescription(serviceToCopyFrom.getDescription());
service.setRunAlwaysInBackground(serviceToCopyFrom.isRunAlwaysInBackground());
service.setStartCommand(serviceToCopyFrom.getStartCommand());
service.setStopCommand(serviceToCopyFrom.getStopCommand());
service.setStatusWildCard(serviceToCopyFrom.getStatusWildCard());
// composite info flattened
service.setAdditionalRunParamsStart(nodeAndService.getAdditionalRunParamsStart());
service.setAdditionalRunParamsStop(nodeAndService.getAdditionalRunParamsStop());
service.setStatusWildCardOverride(nodeAndService.getStatusWildCardOverride());
service.setStatusCommandOverride(nodeAndService.getStatusCommandOverride());
service.setRundir(nodeAndService.getRundir());
// TODOne put this one on the composite/join table
service.setRunning(nodeAndService.isRunning());
nodeJson.getServices().add(service);
}
for (NodeAndCommand nodeAndCommand : nodeEntity.getNodeCommands()) {
Command command = new Command();
org.nikhil.webapp.nodeadmin.entity.Command commandToCopyFrom =
nodeAndCommand.getCompositePK().getCommand();
command.setName(commandToCopyFrom.getName());
command.setDescription(commandToCopyFrom.getDescription());
command.setCommand(commandToCopyFrom.getCommand());
// composite info flattened
command.setAdditionalRunParams(nodeAndCommand.getAdditionalRunParams());
command.setAlwaysRunInBackground(nodeAndCommand.isAlwaysRunInBackground());
command.setRundir(nodeAndCommand.getRundir());
nodeJson.getCommands().add(command);
}
return nodeJson;
}