/**
* addArcToNode method;
* Add arc toNode
* using this method ensure that the server has have accepted
* the arc addition, and it also ensure that all the clients will
* receive the change by the same sequence in which the server has.
* But it is impossible predict the change acceptance time in the remote
* clients because of networks limits.
* @param parent
* @param child
* @throws PlanckDBException
* @throws TransactionException
*/
public void AddArcToNode(Node parent, Node child, byte[] arcName)
{
if(arcName==null){
throw new PlanckDBException(CommandStatus.arcNameCanNotBeNull,"Unsupported state arc name can't be null");
}
Command command = commandBuilder.buildAddChildToParentNode(parent.getId(), child.getId(),arcName,sessionMetaData.getSchemaId(), core.getCoreManager().getKey(),sessionMetaData.GetSessionId(),lockTimeout);
commandExecutor.produce(command);
}
public void addAttributes(Node node,params NodeAttribute[] attributes)
{
if(transaction!=null){
transaction.addAttributes(node, attributes);
}else{
validateSchemaEntity(node);
int schemaId=sessionMetaData.getSchemaId();
int coreManagerId=core.getCoreManager().getKey();
int sessionId=core.getSessionMetaData().GetSessionId();
Command command = commandBuilder.buildAddAttributes(node.getId(), schemaId, coreManagerId, sessionId, schemaAdapter.getLockTimeout(), attributes);
List<NodeAttribute> values = node.getAttributes().values();
command.Push(PlanckDBConstants.OLD_ATTRIBUTES, PlanckDBConstants.ATTRIBUTE_MAP, values.ToArray());
command.Push(PlanckDBConstants.TRANSACTION, PlanckDBConstants.INTEGER, PlanckDBConstants.TRUE);
commandExecutor.consume(command);
commandsList.Add(command);
}
}
/**
* addAttribute method;
* Add attribute
* using this method ensure that the server has have accepted
* the attribute addition, and it also ensure that all the clients will
* receive the change by the same sequence in which the server has.
* But it is impossible predict the change acceptance time in the remote
* clients because of networks limits.
* @param node
* @param attributes
* @throws AbstractPlanckDBException
*/
public void AddAttributes(Node node, NodeAttribute[] attributes)
{
List<NodeAttribute> values = node.getAttributes().values();
NodeAttribute[] oldAttributes = values.ToArray();
Command command = commandBuilder.buildAddAttributes(node.getId(), sessionMetaData.getSchemaId(), core.getCoreManager().getKey(), sessionMetaData.GetSessionId(), lockTimeout ,attributes);
command.Push(PlanckDBConstants.OLD_ATTRIBUTES,PlanckDBConstants.ATTRIBUTE_MAP,oldAttributes);
commandExecutor.produce(command);
}
/**
* removeArc method
* Remove arc from node
* using this method ensure that the server has have accepted
* the arc removal, and it also ensure that all the clients will
* receive the change by the same sequence in which the server has.
* But it is impossible predict the change acceptance time in the remote
* clients because of networks limits.
* @param parent
* @param arcName
* @throws AbstractPlanckDBException
*/
public void RemoveArcFromNode(Node parent, byte[] arcName)
{
Arc arc=parent.getChildArc(arcName);
if(arc!=null){
Command command = commandBuilder.buildRemoveChildFromParentNode(parent.getId(),arcName, arc.getChild().getId(),sessionMetaData.getSchemaId(), core.getCoreManager().getKey(),sessionMetaData.GetSessionId(),lockTimeout);
commandExecutor.produce(command);
}else{
throw new PlanckDBException(CommandStatus.noChildParentReference,CommandStatus.noChildParentReference.getMessage());
}
}
/**
* deleteNode method;
* Delete node
* Deleting node by this method ensure that the server has have accepted
* the node deletion, and it also ensure that all the clients will
* receive the change by the same sequence in which the server has.
* But it is impossible predict the change acceptance time in the remote
* clients because of networks limits.
* @param node
* @throws PlanckDBException
* @throws TransactionException
*/
public void DeleteNode(Node node)
{
List<NodeAttribute> values = node.getAttributes().values();
NodeAttribute[] oldAttributes =values.ToArray();
Command command = commandBuilder.buildDeleteNode(node.getId(), node.getLock(), sessionMetaData.getSchemaId(), core.getCoreManager().getKey(), sessionMetaData.GetSessionId(), lockTimeout,oldAttributes);
commandExecutor.produce(command);
}
/**
* addArcToNode method
* Like the non transactional schemaAdapter in addArcToNode entity,
* but unlike the non transactional schemaAdapter, this schemaAdapter commits its changes directly on the entities
* It also accumulate the command in order to rollback the changes in the client or commit the changes in the server
* @param parent
* @param child
* @throws PlanckDBException
* @throws TransactionException
* @throws EntityLockException
*/
public void addChildToParent(Node parent, Node child,byte[] arcName)
{
if(transaction!=null){
transaction.addChildToParent(parent, child, arcName);
}else{
validateSchemaEntity(parent);
validateSchemaEntity(child);
int schemaId=sessionMetaData.getSchemaId();
int coreManagerId=core.getCoreManager().getKey();
int sessionId=core.getSessionMetaData().GetSessionId();
Command command = commandBuilder.buildAddChildToParentNode(parent.getId(), child.getId(), arcName, schemaId, coreManagerId, sessionId, schemaAdapter.getLockTimeout());
command.Push(PlanckDBConstants.TRANSACTION, PlanckDBConstants.INTEGER, PlanckDBConstants.TRUE);
commandExecutor.consume(command);
commandsList.Add(command);
}
}
private bool isDirty(Node node)
{
return dirtySet.Contains(node.getId());
}
public void removeChildFromParent(Node parent, byte[] arcName)
{
if(transaction!=null){
transaction.removeChildFromParent(parent, arcName);
}else{
validateSchemaEntity(parent);
Arc arc = parent.getChildArc(arcName);
if(arc!=null){
int schemaId=sessionMetaData.getSchemaId();
int coreManagerId=core.getCoreManager().getKey();
int sessionId=core.getSessionMetaData().GetSessionId();
Command command = commandBuilder.buildRemoveChildFromParentNode(parent.getId(),arc.getName(), arc.getChild().getId(), schemaId,coreManagerId, sessionId, schemaAdapter.getLockTimeout());
command.Push(PlanckDBConstants.TRANSACTION, PlanckDBConstants.INTEGER, PlanckDBConstants.TRUE);
commandExecutor.consume(command);
commandsList.Add(command);
}else{
throw new PlanckDBException(CommandStatus.noChildParentReference,CommandStatus.noChildParentReference.getMessage());
}
}
}
