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/// <summary>
/// Constructor.
/// </summary>
/// <param name="serviceUrl">Service url.</param>
/// <param name="layerName">Layer name.</param>
/// <param name="server">Server.</param>
internal NetworkDescription(string serviceUrl, string layerName,
AgsServer server)
{
Debug.Assert(serviceUrl != null);
// Create connection.
var connection = server.OpenConnection();
NAServiceClient client = new NAServiceClient(serviceUrl, connection);
try
{
NAServerNetworkDescription desc = client.GetNetworkDescription(layerName);
NAServerSolverParams solverParams = client.GetSolverParameters(layerName);
var parameterValues = solverParams.AttributeParameterValues.ToLookup(
value => value.AttributeName, StringComparer.OrdinalIgnoreCase);
// Create attributes.
foreach (NAServerNetworkAttribute attr in desc.NetworkAttributes)
{
var routingAttributeName = attr.Name;
var attributeParameter = parameterValues[attr.Name].FirstOrDefault();
if (attributeParameter != null)
{
routingAttributeName = attributeParameter.AttributeName;
}
var usageType = _ConvertUsageType(attr.UsageType);
var usageParameter =
_GetRestrictionUsageParameter(attr.RestrictionUsageParameterName,
parameterValues[attr.Name], usageType);
var attribute = new NetworkAttribute(attr.Name, routingAttributeName,
_ConvertUnits(attr.Units), usageType,
_GetAttrParams(attr, parameterValues[attr.Name]), usageParameter);
_attributes.Add(attribute);
}
// Enabled restriction names.
_enabledRestrictionNames = solverParams.RestrictionAttributeNames;
if (_enabledRestrictionNames == null)
{
_enabledRestrictionNames = new string[0];
}
// Get impedance attribute name.
_impedanceAttrName = solverParams.ImpedanceAttributeName;
}
finally
{
client.Close();
}
}
/// <summary>
/// Get ServerSolverParams controls (ReturnMap, SnapTolerance, etc.)
/// </summary>
private void GetServerSolverParams(NAServerNetworkDescription networkDescription, NAServerSolverParams solverParams)
{
chkReturnMap.Checked = true;
txtSnapTolerance.Text = solverParams.SnapTolerance.ToString();
txtMaxSnapTolerance.Text = solverParams.MaxSnapTolerance.ToString();
cboSnapToleranceUnits.SelectedIndex = Convert.ToInt32(solverParams.SnapToleranceUnits);
//Set Route Defaults
chkReturnRouteGeometries.Checked = false;
chkReturnRoutes.Checked = true;
chkReturnStops.Checked = true;
chkReturnDirections.Checked = true;
checkReturnBarriers.Checked = true;
//Set Directions Defaults
cboRouteDirectionsTimeAttribute.Items.Clear();
NAServerNetworkAttribute[] attributes = networkDescription.NetworkAttributes;
for (int i = 0; i < attributes.Length; i++)
{
NAServerNetworkAttribute networkAttribute = attributes[i];
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
if (String.Compare(networkAttribute.Units.ToString(), "esriNAUMinutes") == 0)
{
cboRouteDirectionsTimeAttribute.Items.Add(networkAttribute.Name);
}
}
}
// Set the default direction settings
NAServerRouteParams routeParams = solverParams as NAServerRouteParams;
if (routeParams != null)
{
cboRouteDirectionsLengthUnits.Text = routeParams.DirectionsLengthUnits.ToString().Substring(7);
//Select the first time attribute
if (cboRouteDirectionsTimeAttribute.Items.Count > 0)
cboRouteDirectionsTimeAttribute.Text = routeParams.DirectionsTimeAttributeName;
}
}
/// <summary>
/// Get Default NASolverSettings controls (Cost Attributes, Restrictions Attributes. etc.)
/// </summary>
private void GetNASolverSettings(NAServerNetworkDescription networkDescription, NAServerSolverParams solverSettings)
{
int ImpedanceIndex = 0;
//Get Attributes
cboImpedance.Items.Clear();
chklstAccumulateAttributes.Items.Clear();
chklstRestrictions.Items.Clear();
cboUturnPolicy.SelectedIndex = -1;
NAServerNetworkAttribute[] attributes = networkDescription.NetworkAttributes;
string[] accumulateAttributeNames = solverSettings.AccumulateAttributeNames;
string[] restrictionAttributeNames = solverSettings.RestrictionAttributeNames;
for (int i = 0; i < attributes.Length; i++)
{
NAServerNetworkAttribute networkAttribute = attributes[i];
string networkAttributeName = networkAttribute.Name;
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
chklstAccumulateAttributes.Items.Add(networkAttributeName, IsStringInStringArray(networkAttributeName, accumulateAttributeNames));
int index = cboImpedance.Items.Add(networkAttributeName + " (" + networkAttribute.Units.ToString().Substring(7) + ")");
if (networkAttributeName == solverSettings.ImpedanceAttributeName)
ImpedanceIndex = index;
}
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTRestriction)
{
chklstRestrictions.Items.Add(networkAttributeName, IsStringInStringArray(networkAttributeName, restrictionAttributeNames));
}
}
if (cboImpedance.Items.Count > 0)
cboImpedance.SelectedIndex = ImpedanceIndex;
chkUseHierarchy.Checked = solverSettings.UseHierarchy;
chkUseHierarchy.Enabled = solverSettings.HierarchyAttributeName.Length > 0;
chkIgnoreInvalidLocations.Checked = solverSettings.IgnoreInvalidLocations;
cboUturnPolicy.SelectedIndex = System.Convert.ToInt32(solverSettings.RestrictUTurns);
}
