/// <summary>${iServer2_Query_QueryByGeometryService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${iServer2_Query_QueryByGeometryService_method_ProcessAsync_param_parameters}</param>
/// <param name="state">${iServer2_Query_QueryByGeometryService_method_ProcessAsync_param_state}</param>
public void ProcessAsync(QueryByGeometryParameters parameters, object state)
{
if (parameters == null)
{
//TODO:资源
//throw new ArgumentNullException("QueryByGeometryParamters is Null");
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
if (parameters.Geometry == null)
{
//TODO:资源
//throw new InvalidOperationException("The geometry is null");
throw new InvalidOperationException(ExceptionStrings.GeometryIsNull);
}
if (string.IsNullOrEmpty(base.Url))
{
//TODO:资源
//throw new InvalidOperationException("Url is not set");
throw new InvalidOperationException(ExceptionStrings.InvalidUrl);
}
if (!base.Url.EndsWith("/"))
{
base.Url += '/';
}
base.SubmitRequest(base.Url + "commonhandler?", GetParameters(parameters),
new EventHandler<RequestEventArgs>(request_Completed), state, false);
}
//设置几何查询参数类
private void LoadParam(Geometry geo)
{
List<QueryLayerParam> queryLayerParams = new List<QueryLayerParam>();
if (comboBox.SelectedIndex != 3)
{
//在一个图层中查询，获取要查询的图层名
QueryLayerParam queryLayerParam = new QueryLayerParam();
queryLayerParam.Name = comboBox.SelectionBoxItem.ToString();
//查询图层参数列表
queryLayerParams = new List<QueryLayerParam>() { queryLayerParam };
}
else
{
//在三个图层中查询，获取要查询的图层名
QueryLayerParam queryLayerParamLine = new QueryLayerParam();
queryLayerParamLine.Name = LineLayerName;
QueryLayerParam queryLayerParamPolygon = new QueryLayerParam();
queryLayerParamPolygon.Name = AreaLayerName;
QueryLayerParam queryLayerParamPoint = new QueryLayerParam();
queryLayerParamPoint.Name = PointLayerName;
//查询图层参数列表
queryLayerParams = new List<QueryLayerParam>()
{ queryLayerParamPoint,
queryLayerParamLine,
queryLayerParamPolygon
};
}
//设置几何查询参数类，以下属性为必设属性
QueryByGeometryParameters parameters = new QueryByGeometryParameters
{
MapName = "Changchun",
QueryParam = new QueryParam() { QueryLayerParams = queryLayerParams, ExpectCount = 0 },
Geometry = geo
};
//与指定服务器交互
QueryByGeometryService query = new QueryByGeometryService("http://localhost:7080/demo/");
query.ProcessAsync(parameters);
query.ProcessCompleted += new EventHandler<QueryEventArgs>(ProcessCompleted);
query.Failed += new EventHandler<ServiceFailedEventArgs>(queryFailedMessages);
}
/// <overloads>${iServer2_Query_QueryByGeometryService_method_ProcessAsync_overloads_D}</overloads>
/// <summary>${iServer2_Query_QueryByGeometryService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${iServer2_Query_QueryByGeometryService_method_ProcessAsync_param_parameters}</param>
public void ProcessAsync(QueryByGeometryParameters parameters)
{
this.ProcessAsync(parameters, null);
}
private Dictionary<string, string> GetParameters(QueryByGeometryParameters parameters)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
Point2DCollection gps = new Point2DCollection();
if (parameters.Geometry is GeoRegion)
{
string method = "QueryByPolygon";
dictionary.Add("method", method);
dictionary.Add("mapName", parameters.MapName);
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("mapName", parameters.MapName);
dict.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
foreach (Point2DCollection g in (parameters.Geometry as GeoRegion).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}//服务端其实不支持复杂几何体的
dict.Add("points", JsonHelper.FromPoint2DCollection(gps));
dictionary.Add("params", Bridge.CreateParams(method, dict));
}
else if (parameters.Geometry is GeoCircle)
{
string method = "QueryByPolygon";
dictionary.Add("method", method);
dictionary.Add("mapName", parameters.MapName);
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("mapName", parameters.MapName);
dict.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
foreach (Point2DCollection g in (parameters.Geometry as GeoCircle).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}//服务端其实不支持复杂几何体的
dict.Add("points", JsonHelper.FromPoint2DCollection(gps));
dictionary.Add("params", Bridge.CreateParams(method, dict));
}
else if (parameters.Geometry is GeoLine)
{
string method = "QueryByLine";
dictionary.Add("method", method);
dictionary.Add("mapName", parameters.MapName);
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("mapName", parameters.MapName);
dict.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
foreach (Point2DCollection g in (parameters.Geometry as GeoLine).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}
dict.Add("points", JsonHelper.FromPoint2DCollection(gps));
dictionary.Add("params", Bridge.CreateParams(method, dict));
}
else if (parameters.Geometry is GeoPoint)
{
string method = "QueryByPoint";
dictionary.Add("method", method);
dictionary.Add("mapName", parameters.MapName);
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("mapName", parameters.MapName);
dict.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
dict.Add("point", JsonHelper.FromPoint2D((parameters.Geometry as GeoPoint).Bounds.Center));
dict.Add("tolerance", "0");
dictionary.Add("params", Bridge.CreateParams(method, dict));
}
return dictionary;
}