// effects: Given a list of cells in the schema, generates the query and
// update mapping views for OFTYPE(Extent, Type) combinations in this schema
// container. Returns a list of generated query and update views.
// If it is false and some columns in a table are unmapped, an
// exception is raised
private static ViewGenResults GenerateViewsFromCells(List<Cell> cells, ConfigViewGenerator config,
CqlIdentifiers identifiers,
StorageEntityContainerMapping containerMapping)
{
EntityUtil.CheckArgumentNull(cells, "cells");
EntityUtil.CheckArgumentNull(config, "config");
Debug.Assert(cells.Count > 0, "There must be at least one cell in the container mapping");
// Go through each table and determine their foreign key constraints
EntityContainer container = containerMapping.StorageEntityContainer;
Debug.Assert(container != null);
ViewGenResults viewGenResults = new ViewGenResults();
ErrorLog tmpLog = EnsureAllCSpaceContainerSetsAreMapped(cells, config, containerMapping);
if (tmpLog.Count > 0)
{
viewGenResults.AddErrors(tmpLog);
Helpers.StringTraceLine(viewGenResults.ErrorsToString());
return viewGenResults;
}
List<ForeignConstraint> foreignKeyConstraints = ForeignConstraint.GetForeignConstraints(container);
CellPartitioner partitioner = new CellPartitioner(cells, foreignKeyConstraints);
List<CellGroup> cellGroups = partitioner.GroupRelatedCells();
foreach (CellGroup cellGroup in cellGroups)
{
ViewGenerator viewGenerator = null;
ErrorLog groupErrorLog = new ErrorLog();
try
{
viewGenerator = new ViewGenerator(cellGroup, config, foreignKeyConstraints, containerMapping);
}
catch (InternalMappingException exception)
{
// All exceptions have mapping errors in them
Debug.Assert(exception.ErrorLog.Count > 0, "Incorrectly created mapping exception");
groupErrorLog = exception.ErrorLog;
}
if (groupErrorLog.Count == 0)
{
Debug.Assert(viewGenerator != null);
groupErrorLog = viewGenerator.GenerateAllBidirectionalViews(viewGenResults.Views, identifiers);
}
if (groupErrorLog.Count != 0)
{
viewGenResults.AddErrors(groupErrorLog);
}
}
// We used to print the errors here. Now we trace them as they are being thrown
//if (viewGenResults.HasErrors && config.IsViewTracing) {
// Helpers.StringTraceLine(viewGenResults.ErrorsToString());
//}
return viewGenResults;
}
// effects: Given a list of cells in the schema, generates the query and
// update mapping views for OFTYPE(Extent, Type) combinations in this schema
// container. Returns a list of generated query and update views.
// If it is false and some columns in a table are unmapped, an
// exception is raised
private static ViewGenResults GenerateViewsFromCells(List <Cell> cells, ConfigViewGenerator config,
CqlIdentifiers identifiers,
StorageEntityContainerMapping containerMapping)
{
EntityUtil.CheckArgumentNull(cells, "cells");
EntityUtil.CheckArgumentNull(config, "config");
Debug.Assert(cells.Count > 0, "There must be at least one cell in the container mapping");
// Go through each table and determine their foreign key constraints
EntityContainer container = containerMapping.StorageEntityContainer;
Debug.Assert(container != null);
ViewGenResults viewGenResults = new ViewGenResults();
ErrorLog tmpLog = EnsureAllCSpaceContainerSetsAreMapped(cells, config, containerMapping);
if (tmpLog.Count > 0)
{
viewGenResults.AddErrors(tmpLog);
Helpers.StringTraceLine(viewGenResults.ErrorsToString());
return(viewGenResults);
}
List <ForeignConstraint> foreignKeyConstraints = ForeignConstraint.GetForeignConstraints(container);
CellPartitioner partitioner = new CellPartitioner(cells, foreignKeyConstraints);
List <CellGroup> cellGroups = partitioner.GroupRelatedCells();
foreach (CellGroup cellGroup in cellGroups)
{
ViewGenerator viewGenerator = null;
ErrorLog groupErrorLog = new ErrorLog();
try
{
viewGenerator = new ViewGenerator(cellGroup, config, foreignKeyConstraints, containerMapping);
}
catch (InternalMappingException exception)
{
// All exceptions have mapping errors in them
Debug.Assert(exception.ErrorLog.Count > 0, "Incorrectly created mapping exception");
groupErrorLog = exception.ErrorLog;
}
if (groupErrorLog.Count == 0)
{
Debug.Assert(viewGenerator != null);
groupErrorLog = viewGenerator.GenerateAllBidirectionalViews(viewGenResults.Views, identifiers);
}
if (groupErrorLog.Count != 0)
{
viewGenResults.AddErrors(groupErrorLog);
}
}
// We used to print the errors here. Now we trace them as they are being thrown
//if (viewGenResults.HasErrors && config.IsViewTracing) {
// Helpers.StringTraceLine(viewGenResults.ErrorsToString());
//}
return(viewGenResults);
}
