private void WithCancelToken(CancellationToken token, Action <GCHandle> action)
{
var cancelTokenHandle = GCHandle.Alloc(token, GCHandleType.Pinned);
try
{
action(cancelTokenHandle);
}
catch (Exception ex)
{
_trace.Error(TraceCategory, ex, "Cannot execute.");
}
finally
{
cancelTokenHandle.Free();
}
}
/// <inheritdoc />
public IObservable <int> AddTo(string storageKey, string path, Stylesheet stylesheet, Range <int> levelOfDetails, CancellationToken cancellationToken)
{
var dataPath = _pathResolver.Resolve(path);
var stylePath = RegisterStylesheet(stylesheet);
_trace.Debug(TraceCategory, "Add data from {0} to {1} storage", dataPath, storageKey);
lock (__lockObj)
{
WithCancelToken(cancellationToken, (cancelTokenHandle) => addDataInRange(
storageKey, stylePath, dataPath, levelOfDetails.Minimum,
levelOfDetails.Maximum, OnErrorHandler, cancelTokenHandle.AddrOfPinnedObject()));
}
return(Observable.Return <int>(100));
}
/// <inheritdoc />
public IObservable <int> AddTo(string storageKey, Element element, Stylesheet stylesheet, Range <int> levelOfDetails, CancellationToken cancellationToken)
{
_trace.Debug(TraceCategory, "Add element to {0} storage", storageKey);
double[] coordinates = new double[element.Geometry.Length * 2];
for (int i = 0; i < element.Geometry.Length; ++i)
{
coordinates[i * 2] = element.Geometry[i].Latitude;
coordinates[i * 2 + 1] = element.Geometry[i].Longitude;
}
string[] tags = new string[element.Tags.Count * 2];
var tagKeys = element.Tags.Keys.ToArray();
for (int i = 0; i < tagKeys.Length; ++i)
{
tags[i * 2] = tagKeys[i];
tags[i * 2 + 1] = element.Tags[tagKeys[i]];
}
var stylePath = RegisterStylesheet(stylesheet);
lock (__lockObj)
{
WithCancelToken(cancellationToken, (cancelTokenHandle) => addDataInElement(
storageKey, stylePath, element.Id, coordinates, coordinates.Length, tags, tags.Length,
levelOfDetails.Minimum, levelOfDetails.Maximum, OnErrorHandler, cancelTokenHandle.AddrOfPinnedObject()));
}
return(Observable.Return <int>(100));
}
/// <inheritdoc />
public UtyRx.IObservable <int> AddTo(string storageKey, string path, Stylesheet stylesheet, QuadKey quadKey, CancellationToken cancellationToken)
{
var dataPath = _pathResolver.Resolve(path);
var stylePath = RegisterStylesheet(stylesheet);
_trace.Debug(TraceCategory, "Add data from {0} to {1} storage", dataPath, storageKey);
lock (__lockObj)
{
WithCancelToken(cancellationToken, (cancelTokenHandle) => addDataInQuadKey(
storageKey, stylePath, dataPath, quadKey.TileX, quadKey.TileY,
quadKey.LevelOfDetail, OnErrorHandler, cancelTokenHandle.AddrOfPinnedObject()));
}
return(Observable.Return <int>(100));
}