public bool TryGetDefinition(int index, out PositionedDataDefintion definition)
{
if (_IsCompiled)
{
return(_ColumnDefinitionMap.TryGetValue(index, out definition));
}
PositionedDataDefintion[] res = DataDefinitions.Where(_ => _.Index <= index && index < (_.Index + _.Length)).ToArray();
definition = res.Any() ? res.First() : null;
return(definition != null);
}
public void Compile()
{
_ColumnDefinitionMap = new Dictionary <int, PositionedDataDefintion>();
_ColumnNameToIndexMap = new Dictionary <string, int>();
_ColumnIndexToNameMap = new Dictionary <int, string>();
_ColumnValueTypeNames = new Dictionary <int, string>();
_ColumnValueTypes = new Dictionary <int, Type>();
DataDefinitions = DataDefinitions.OrderBy(d => d.Index).ToList();
foreach (PositionedDataDefintion def in DataDefinitions)
{
for (int i = 0; i < def.Length; ++i)
{
int offset = def.Index + i;
_ColumnDefinitionMap.Add(offset, def);
string name = def.GetName(offset);
_ColumnNameToIndexMap.Add(name, offset);
_ColumnIndexToNameMap.Add(offset, name);
_ColumnValueTypeNames.Add(offset, def.GetValueTypeName(offset));
_ColumnValueTypes.Add(offset, def.GetValueType(offset));
}
}
if (!string.IsNullOrWhiteSpace(DefaultColumn))
{
if (_ColumnNameToIndexMap.TryGetValue(DefaultColumn, out int defCol))
{
_DefaultColumnIndex = defCol;
}
else
{
_DefaultColumnIndex = null;
}
}
else
{
_DefaultColumnIndex = null;
}
_IsCompiled = true;
}
/// <summary> /// Get the Data definition based on the id given /// </summary> /// <param name="id">The id of the definition</param> /// <returns>The data definition</returns> public DataItemDefinition DataDefinition(Guid id) => DataDefinitions.Where(item => item.Id == id).FirstOrDefault();
/// <summary>
/// Save a piece of information to the appropriate package element
/// </summary>
/// <typeparam name="T">The type of data to be saved</typeparam>
/// <param name="dataToSave">The data to be saved</param>
/// <returns>The saved data</returns>
public T Save <T>(T dataToSave) where T : CommonObject
{
// Get the type of data to be saved
String typeOfData = typeof(T).ToShortName();
// Based on the type of data, save it to the correct repository element
switch (typeOfData)
{
case "apidefinition":
// Get the actual value from the object wrapper
ApiDefinition apiDefinition = (ApiDefinition)Convert.ChangeType(dataToSave, typeof(ApiDefinition));
// If the type is not null
if (apiDefinition != null)
{
// Does this api definition already exist?
ApiDefinition existingApiDefinition =
(apiDefinition.Id == Guid.Empty) ? null : this.Api(apiDefinition.Id);
// No API Definition found?
if (existingApiDefinition == null)
{
// Doesn't exist currently so create a new Id
// and assign the object as the "existing" api definition
existingApiDefinition = apiDefinition;
existingApiDefinition.Id = Guid.NewGuid();
// Add this new api definition to the repository
ApiDefinitions.Add(existingApiDefinition);
}
else
{
// Assign the values from the item to save
existingApiDefinition.Description = apiDefinition.Description;
existingApiDefinition.Name = apiDefinition.Name;
existingApiDefinition.LastUpdated = DateTime.Now;
// Assign the foreign keys
existingApiDefinition.DataConnection = apiDefinition.DataConnection;
existingApiDefinition.DataDefinition = apiDefinition.DataDefinition;
existingApiDefinition.CredentialsLinks = apiDefinition.CredentialsLinks;
}
// Convert the data back to the return data type (which is actually the same)
dataToSave = (T)Convert.ChangeType(existingApiDefinition, typeof(T));
}
break;
case "dataitemdefinition":
// Get the actual value from the object wrapper
DataItemDefinition dataItemDefinition = (DataItemDefinition)Convert.ChangeType(dataToSave, typeof(DataItemDefinition));
// If the type is not null
if (dataItemDefinition != null)
{
// Does this data definition already exist?
DataItemDefinition existingDataItemDefinition =
(dataItemDefinition.Id == Guid.Empty) ? null : this.DataDefinition(dataItemDefinition.Id);
// No data definition found?
if (existingDataItemDefinition == null)
{
// Doesn't exist currently so create a new Id
// and assign the object as the "existing" data definition
existingDataItemDefinition = dataItemDefinition;
existingDataItemDefinition.Id = Guid.NewGuid();
// Add this new data definition to the repository
DataDefinitions.Add(existingDataItemDefinition);
}
else
{
// Assign the values from the item to save
existingDataItemDefinition.Description = dataItemDefinition.Description;
existingDataItemDefinition.Name = dataItemDefinition.Name;
existingDataItemDefinition.Culture = dataItemDefinition.Culture;
existingDataItemDefinition.EncodingFormat = dataItemDefinition.EncodingFormat;
existingDataItemDefinition.LastUpdated = DateTime.Now;
// Assign the lists
existingDataItemDefinition.ItemProperties = dataItemDefinition.ItemProperties;
existingDataItemDefinition.PropertyBag = dataItemDefinition.PropertyBag;
}
// Convert the data back to the return data type (which is actually the same)
dataToSave = (T)Convert.ChangeType(existingDataItemDefinition, typeof(T));
}
break;
case "dataconnection":
// Get the actual value from the object wrapper
DataConnection connection = (DataConnection)Convert.ChangeType(dataToSave, typeof(DataConnection));
// If the type is not null
if (connection != null)
{
// Does this connection already exist?
DataConnection existingConnection =
(connection.Id == Guid.Empty) ? null : DataConnection(connection.Id);
// No connection found?
if (existingConnection == null)
{
// Doesn't exist currently so create a new Id
// and assign the object as the "existing" connection
existingConnection = connection;
existingConnection.Id = Guid.NewGuid();
// Add this new connection to the repository
DataConnections.Add(existingConnection);
}
else
{
// Assign the values from the item to save
existingConnection.ConnectionString = connection.ConnectionString;
existingConnection.Description = connection.Description;
existingConnection.Name = connection.Name;
existingConnection.ProviderType = connection.ProviderType;
existingConnection.Credentials = connection.Credentials;
existingConnection.LastUpdated = DateTime.Now;
existingConnection.PropertyBag = connection.PropertyBag;
existingConnection.ObjectName = connection.ObjectName;
}
// Convert the data back to the return data type (which is actually the same)
dataToSave = (T)Convert.ChangeType(existingConnection, typeof(T));
}
break;
case "transformation":
// Get the actual value from the object wrapper
Transformation transformation = (Transformation)Convert.ChangeType(dataToSave, typeof(Transformation));
// If the type is not null
if (transformation != null)
{
// Does this transformation already exist?
Transformation existingTransformation =
(transformation.Id == Guid.Empty) ? null : Transformation(transformation.Id);
// No transformation found?
if (existingTransformation == null)
{
// Doesn't exist currently so create a new Id
// and assign the object as the "existing" transformation
existingTransformation = transformation;
existingTransformation.Id = Guid.NewGuid();
// Add this new transformation to the repository
Transformations.Add(existingTransformation);
}
else
{
// Assign the values from the item to save
existingTransformation.Description = transformation.Description;
existingTransformation.Name = transformation.Name;
existingTransformation.LastUpdated = DateTime.Now;
}
// Convert the data back to the return data type (which is actually the same)
dataToSave = (T)Convert.ChangeType(existingTransformation, typeof(T));
}
break;
case "credentials":
// Get the actual value from the object wrapper
Credentials credentials = (Credentials)Convert.ChangeType(dataToSave, typeof(Credentials));
// If the type is not null
if (credentials != null)
{
// Does this set of credentials already exist?
Credentials existingCredentials =
(credentials.Id == Guid.Empty) ? null : this.Credentials(credentials.Id);
// Loop the properties and see if any have not been saved before. If not give them an Id
credentials.Properties.ForEach(credential =>
{
if (credential.Id == null)
{
credential.Id = Guid.NewGuid();
}
});
// No credentials found?
if (existingCredentials == null)
{
// Doesn't exist currently so create a new Id
// and assign the object as the "existing" credentials
existingCredentials = credentials;
existingCredentials.Id = Guid.NewGuid();
// Add this new credentials to the repository
CredentialsStore.Add(existingCredentials);
}
else
{
// Assign the values from the item to save
existingCredentials.Description = credentials.Description;
existingCredentials.Name = credentials.Name;
existingCredentials.LastUpdated = DateTime.Now;
// Assign the lists
existingCredentials.Properties = credentials.Properties;
}
// Convert the data back to the return data type (which is actually the same)
dataToSave = (T)Convert.ChangeType(existingCredentials, typeof(T));
}
break;
}
// Make sure as the item is saved to this package that the
// reference to it is inside the object
dataToSave.ParentPackage = this;
// Return the data that was saved
return(dataToSave);
}
