public ForwardReference(IPersistEntity entity, ReferenceContext context, TableStore store)
{
Store = store;
_handle = new XbimInstanceHandle(entity);
Row = context.CurrentRow;
Context = context;
}
public ForwardReference(XbimInstanceHandle handle, ReferenceContext context, TableStore store)
{
Store = store;
_handle = handle;
Row = context.CurrentRow;
Context = context;
}
/// <summary>
/// Create a new entity of the specified type, the entity will be blank, all properties with default values
/// The entity label will be as specified, an exception will be raised if the label is already in use
/// </summary>
/// <param name="type">Type of entity to create, this must support IPersistIfcEntity</param>
/// <returns>A handle to the entity</returns>
internal XbimInstanceHandle AddEntity(Type type, int entityLabel)
{
var entityType = Model.Metadata.ExpressType(type);
var h = new XbimInstanceHandle(Model, entityLabel, entityType.TypeId);
AddEntity(h.EntityLabel, h.EntityTypeId, null, null, entityType.IndexedClass);
return(h);
}
/// <summary>
/// Create a new entity of the specified type, the entity will be blank, all properties with default values
/// </summary>
/// <param name="type">Type of entity to create, this must support IPersistEntity</param>
/// <returns>A handle to the entity</returns>
internal XbimInstanceHandle AddEntity(Type type)
{
//System.Diagnostics.Debug.Assert(typeof(IPersistEntity).IsAssignableFrom(type));
var highest = RetrieveHighestLabel();
var expressType = Model.Metadata.ExpressType(type);
var h = new XbimInstanceHandle(Model, highest + 1, expressType.TypeId);
AddEntity(h.EntityLabel, h.EntityTypeId, null, null, expressType.IndexedClass);
return(h);
}
/// <summary>
/// For use only on the index table, accesses data from the index only
/// </summary>
/// <param name="ih"></param>
/// <returns></returns>
public bool TryMoveNextEntityType(out XbimInstanceHandle ih)
{
if (Api.TryMoveNext(Sesid, _indexTable))
{
ih = new XbimInstanceHandle(Model, Api.RetrieveColumnAsInt32(Sesid, _indexTable, _colIdIdxEntityLabel, RetrieveColumnGrbit.RetrieveFromIndex), Api.RetrieveColumnAsInt16(Sesid, _indexTable, _colIdIdxIfcType, RetrieveColumnGrbit.RetrieveFromIndex));
return(true);
}
else
{
ih = new XbimInstanceHandle();
return(false);
}
}
/// <summary>
/// Trys to move to the first entity of the specified type, assumes the current index has been set to order by type (SetOrderByType)
/// Secondary keys are specific to the type and defined as IfcAttributes in the class declaration
/// </summary>
/// <param name="typeId">the type of entity to look up</param>
/// <param name="lookupKey">Secondary key on the search</param>
/// <returns>Returns an instance handle to the first or an empty handle if not found</returns>
public bool TrySeekEntityType(short typeId, out XbimInstanceHandle ih, int lookupKey)
{
Api.MakeKey(Sesid, _indexTable, typeId, MakeKeyGrbit.NewKey);
Api.MakeKey(Sesid, _indexTable, lookupKey, MakeKeyGrbit.None);
if (Api.TrySeek(Sesid, _indexTable, SeekGrbit.SeekGE))
{
Api.MakeKey(Sesid, _indexTable, typeId, MakeKeyGrbit.NewKey);
Api.MakeKey(Sesid, _indexTable, lookupKey, MakeKeyGrbit.FullColumnEndLimit);
if (Api.TrySetIndexRange(Sesid, _indexTable, SetIndexRangeGrbit.RangeUpperLimit | SetIndexRangeGrbit.RangeInclusive))
{
ih = new XbimInstanceHandle(Model, Api.RetrieveColumnAsInt32(Sesid, _indexTable, _colIdIdxEntityLabel, RetrieveColumnGrbit.RetrieveFromIndex), Api.RetrieveColumnAsInt16(Sesid, _indexTable, _colIdIdxIfcType, RetrieveColumnGrbit.RetrieveFromIndex));
return(true);
}
}
ih = new XbimInstanceHandle();
return(false);
}
public void XbimInstanceHandleSupportsDictionary()
{
Dictionary <XbimInstanceHandle, int> d = new Dictionary <XbimInstanceHandle, int>();
using (var model = IfcStore.Open(@"P1.xbim"))
{
var ent = model.Instances.FirstOrDefault();
var handlefromPointers = new XbimInstanceHandle(model, ent.EntityLabel, ent.ExpressType.TypeId);
d.Add(handlefromPointers, 1);
int restored;
var handlefromEntity = new XbimInstanceHandle(ent);
var restoredOk = d.TryGetValue(handlefromEntity, out restored);
Assert.IsTrue(restoredOk, "The XbimInstanceHandle could not be found in the dictionary");
Assert.AreEqual(1, restored);
}
}
/// <summary>
/// Returns the instance that corresponds to this handle
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
public IPersistEntity this[XbimInstanceHandle handle]
{
get { return(handle.GetEntity()); }
}
public ClassificationViewModel(IfcClassificationItem classification)
{
xbimModel = classification.ModelOf as XbimModel;
this.classificationHandle = new XbimInstanceHandle(this.xbimModel, classification.EntityLabel, classification.GetType());
IEnumerable <ClassificationViewModel> subs = this.SubClassifications; //call this once to preload first level of hierarchy
}
public ClassificationViewModel(IfcClassificationItem classification)
{
xbimModel = classification.ModelOf as XbimModel;
this.classificationHandle = new XbimInstanceHandle(this.xbimModel, classification.EntityLabel, classification.GetType());
IEnumerable<ClassificationViewModel> subs = this.SubClassifications; //call this once to preload first level of hierarchy
}
/// <summary>
/// Trys to move to the first entity of the specified type, assumes the current index has been set to order by type (SetOrderByType)
/// </summary>
/// <param name="typeId"></param>
/// <returns></returns>
public bool TrySeekEntityType(short typeId, out XbimInstanceHandle ih)
{
return(TrySeekEntityType(typeId, out ih, -1));
}
internal TransformLogEntry(XbimInstanceHandle handle, TransformAction result)
{
InstanceHandle = handle;
PerformedAction = result;
}