/// <summary>
/// Describes the schema of the underlying data and services to the K2 platform.
/// </summary>
/// <returns>A string containing the schema XML.</returns>
public override string DescribeSchema()
{
try
{
// Makes better use of resources and avoids any unnecessary open connections to data sources.
using (DataConnector connector = new DataConnector(this))
{
// Get the configuration from the service instance.
connector.GetConfiguration();
// Set the type mappings.
connector.SetTypeMappings();
// Describe the schema.
connector.DescribeSchema();
// Set up the service instance.
connector.SetupService();
}
// Indicate that the operation was successful.
ServicePackage.IsSuccessful = true;
}
catch (Exception ex)
{
// Record the exception message and indicate that this was an error.
ServicePackage.ServiceMessages.Add(ex.Message, MessageSeverity.Error);
// Indicate that the operation was unsuccessful.
ServicePackage.IsSuccessful = false;
}
return base.DescribeSchema();
}
/// <summary>
/// Executes the Service Object method and returns any data.
/// </summary>
public override void Execute()
{
try
{
// Makes better use of resources and avoids any unnecessary open connections to data sources.
using (DataConnector connector = new DataConnector(this))
{
// Get the configuration from the service instance.
connector.GetConfiguration();
// Get the populated Service Object definition.
ServiceObject serviceObject = Service.ServiceObjects[0];
// Get the method to execute.
Method method = serviceObject.Methods[0];
// InputProperties and ReturnProperties are string collections, create property collections for later ease-of-use.
Property[] inputs = new Property[method.InputProperties.Count];
Property[] returns = new Property[method.ReturnProperties.Count];
for (int i = 0; i < method.InputProperties.Count; i++)
{
inputs[i] = serviceObject.Properties[method.InputProperties[i]];
}
for (int i = 0; i < method.ReturnProperties.Count; i++)
{
returns[i] = serviceObject.Properties[method.ReturnProperties[i]];
}
// Execute the Service Object method and return any data.
connector.Execute(inputs, method.Validation.RequiredProperties, returns, method.Type, serviceObject);
}
// Indicate that the operation was successful.
ServicePackage.IsSuccessful = true;
}
catch (Exception ex)
{
// Record the exception message and indicate that this was an error.
ServicePackage.ServiceMessages.Add(ex.Message, MessageSeverity.Error);
// Indicate that the operation was unsuccessful.
ServicePackage.IsSuccessful = false;
}
}