private FeatureData GetFeatureData(GetFeatures getFeatures, FieldSelection fieldSelection)
{
CheckIsFeatureLayer();
Features features = (Features)_service.Send(getFeatures);
FeatureData featureData = fieldSelection.CreateFeatureData();
featureData.LayerName = Name;
LoadFeatureData(features, featureData, fieldSelection);
if (features.FeatureCount.HasMore)
{
getFeatures.BeginRecord = 1;
do
{
getFeatures.BeginRecord += features.FeatureCount.Count;
features = (Features)_service.Send(getFeatures);
LoadFeatureData(features, featureData, fieldSelection);
}while (features.FeatureCount.HasMore);
}
return(featureData);
}
private List <String> GetFeatureIDs(GetFeatures getFeatures)
{
CheckIsFeatureLayer();
CheckHasFeatureIDField();
Features features = (Features)_service.Send(getFeatures);
List <String> idList = GetIDList(features);
if (features.FeatureCount.HasMore)
{
getFeatures.BeginRecord = 1;
do
{
getFeatures.BeginRecord += features.FeatureCount.Count;
features = (Features)_service.Send(getFeatures);
idList.AddRange(GetIDList(features));
}while (features.FeatureCount.HasMore);
}
idList.Sort();
for (int i = idList.Count - 1; i >= 1; --i)
{
if (String.Compare(idList[i], idList[i - 1], false) == 0)
{
idList.RemoveAt(i);
}
}
return(idList);
}
public object Get(GetFeatures request)
{
List <WebFeature> result = new List <WebFeature>();
var context = TepWebContext.GetWebContext(PagePrivileges.EverybodyView);
try {
context.Open();
context.LogInfo(this, string.Format("/feature GET"));
EntityList <Terradue.Portal.Feature> feats = new EntityList <Terradue.Portal.Feature>(context);
feats.Load();
List <Terradue.Portal.Feature> features = feats.GetItemsAsList();
features.Sort();
foreach (Terradue.Portal.Feature f in features)
{
result.Add(new WebFeature(f));
}
context.Close();
} catch (Exception e) {
context.LogError(this, e.Message, e);
context.Close();
throw e;
}
return(result);
}
public override DataTable GetFeatureTable(string fieldNames, string where, IGeometry shape)
{
FieldSelection fieldSelection = new FieldSelection(this, fieldNames);
SpatialQuery query = new SpatialQuery(where, shape);
query.Subfields = fieldSelection.NamesToString(" ");
GetFeatures getFeatures = new GetFeatures(ID, query);
getFeatures.DataFrame = DataFrame.Name;
getFeatures.Geometry = fieldSelection.Fields.Any(lyr => lyr.Type == CommonFieldType.Geometry);
return(GetFeatureTable(getFeatures, fieldSelection));
}
public override List <String> GetFeatureIDs(string where, IGeometry shape)
{
SpatialQuery query = new SpatialQuery(where, shape);
query.Subfields = FeatureIDField.Name;
GetFeatures getFeatures = new GetFeatures(ID, query);
getFeatures.Geometry = false;
getFeatures.DataFrame = DataFrame.Name;
return(GetFeatureIDs(getFeatures));
}
public override Envelope GetFeatureExtent(string where)
{
CheckIsFeatureLayer();
Query query = new Query(where);
GetFeatures getFeatures = new GetFeatures(ID, query);
getFeatures.GlobalEnvelope = true;
getFeatures.Envelope = false;
getFeatures.Geometry = false;
getFeatures.Attributes = false;
getFeatures.DataFrame = DataFrame.Name;
Features features = (Features)_service.Send(getFeatures);
return(features.FeatureCount.Count > 0 ? features.Envelope : new Envelope());
}
public override int GetFeatureCount(string where, IGeometry shape)
{
CheckIsFeatureLayer();
SpatialQuery query = new SpatialQuery(where);
query.Subfields = "#ID#";
GetFeatures getFeatures = new GetFeatures(ID, query);
getFeatures.Attributes = false;
getFeatures.Geometry = false;
getFeatures.DataFrame = DataFrame.Name;
if (shape != null)
{
query.SpatialFilter = new SpatialFilter(shape);
}
Features features = (Features)_service.Send(getFeatures);
return(features.FeatureCount.Count);
}
private DataTable GetFeatureTable(GetFeatures getFeatures, FieldSelection fieldSelection)
{
CheckIsFeatureLayer();
Features features = (Features)_service.Send(getFeatures);
DataTable table = fieldSelection.CreateTable();
LoadFeatureTable(features, table, fieldSelection);
if (features.FeatureCount.HasMore)
{
getFeatures.BeginRecord = 1;
do
{
getFeatures.BeginRecord += features.FeatureCount.Count;
features = (Features)_service.Send(getFeatures);
LoadFeatureTable(features, table, fieldSelection);
}while (features.FeatureCount.HasMore);
}
return(table);
}
