/**
* addChild<p>
* The method will create new arc which unique name is @param arcName<p>
* the method is not accessible to the storage user;<p>
* if the storage user wants to add arc to node he must do the change by the schema;<p>
* @param child
* @param arcName
* @return
*/
internal Arc addChild(Node child,byte[] arcName)
{
Arc arc=new Arc(this,child,arcName);
this.children.put(arcName,arc);
child.parents.Add(arc);
return arc;
}
public void RemoveArc(Arc arc)
{
validate(arc.getChild(),arc.getParent());
RemoveArcFromNode(arc.getParent(),arc.getName());
}
public Arc put(byte[] name, Arc arc)
{
return map[new ByteArrayWrapper(name)] = arc;
}
/**
* removeArcFromNode 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 arc
* @throws AbstractPlanckDBException
*/
public void RemoveArc(Arc arc)
{
if(arc!=null){
Command command = commandBuilder.buildRemoveChildFromParentNode(arc.getParent().getId(),arc.getName(), arc.getChild().getId(),sessionMetaData.getSchemaId(), core.getCoreManager().getKey(),sessionMetaData.GetSessionId(),lockTimeout);
commandExecutor.produce(command);
}else{
throw new PlanckDBException(CommandStatus.noChildParentReference,CommandStatus.noChildParentReference.getMessage());
}
}
public bool containsValue(Arc arc)
{
return map.ContainsValue(arc);
}