protected virtual Target BuildTarget(AbstractItem item)
{
if (item is MeasuresXml || item is MeasureXml)
return Target.Measures;
if (item is MeasureGroupsXml || item is MeasureGroupXml)
return Target.MeasureGroups;
if (item is ColumnsXml || item is ColumnXml)
return Target.Columns;
if (item is TablesXml || item is TableXml)
return Target.Tables;
if (item is PropertiesXml || item is PropertyXml)
return Target.Properties;
if (item is LevelsXml || item is LevelXml)
return Target.Levels;
if (item is HierarchiesXml || item is HierarchyXml)
return Target.Hierarchies;
if (item is DimensionsXml || item is DimensionXml)
return Target.Dimensions;
if (item is SetsXml || item is SetXml)
return Target.Sets;
if (item is RoutinesXml || item is RoutineXml)
return Target.Routines;
if (item is PerspectivesXml || item is PerspectiveXml)
return Target.Perspectives;
else
throw new ArgumentException(item.GetType().Name);
}
protected override Target BuildTarget(AbstractItem item)
{
if (item is MeasureGroupXml)
return Target.Dimensions;
if (item is DimensionXml)
return Target.MeasureGroups;
else
throw new ArgumentException(item.GetType().Name);
}
protected override StructureDiscoveryCommand InstantiateCommand(AbstractItem item)
{
var factory = discoveryProvider.Instantiate(item.GetConnectionString());
var target = BuildTarget(item);
var filters = BuildFilters(item);
var command = factory.Instantiate(target, TargetType.Relation, filters);
return command;
}
protected virtual Target BuildTarget(AbstractItem item)
{
if (item is MeasureXml)
return Target.Measures;
if (item is ColumnXml)
return Target.Columns;
if (item is PropertyXml)
return Target.Properties;
throw new ArgumentException(item.GetType().Name);
}
protected override IEnumerable<CaptionFilter> BuildFilters(AbstractItem item)
{
if (item is IPerspectiveFilter)
yield return new CaptionFilter(Target.Perspectives, ((IPerspectiveFilter)item).Perspective);
var itselfTarget = Target.Dimensions;
if (item is MeasureGroupXml)
itselfTarget=Target.MeasureGroups;
yield return new CaptionFilter(itselfTarget, item.Caption);
}
protected virtual IEnumerable<CaptionFilter> BuildFilters(AbstractItem item)
{
if (item is IPerspectiveFilter)
yield return new CaptionFilter(Target.Perspectives, ((IPerspectiveFilter)item).Perspective);
if (item is IDimensionFilter)
yield return new CaptionFilter(Target.Dimensions, ((IDimensionFilter)item).Dimension);
if (item is IHierarchyFilter)
yield return new CaptionFilter(Target.Hierarchies, ((IHierarchyFilter)item).Hierarchy);
if (item is ILevelFilter)
yield return new CaptionFilter(Target.Levels, ((ILevelFilter)item).Level);
if (item is IMeasureGroupFilter && !(string.IsNullOrEmpty(((IMeasureGroupFilter)item).MeasureGroup)))
yield return new CaptionFilter(Target.MeasureGroups, ((IMeasureGroupFilter)item).MeasureGroup);
//if (item is ISchemaFilter)
// yield return new CaptionFilter(Target.Schemas, ((ISchemaFilter)item).Schema);
if (item is ITableFilter)
yield return new CaptionFilter(Target.Tables, ((ITableFilter)item).Table);
var itselfTarget = BuildTarget(item);
if (!string.IsNullOrEmpty(item.Caption))
yield return new CaptionFilter(itselfTarget, item.Caption);
}
internal MetadataDiscoveryRequest Build(AbstractItem item, MetadataDiscoveryRequestType type)
{
var properties = new string[] { "Perspective", "Dimension", "Hierarchy", "Level", "Property", "MeasureGroup", "DisplayFolder", "Measure", "Table", "Column" };
IFilter filter = null;
var filters = new List<IFilter>();
foreach (var property in properties)
{
filter = BuildCaptionFilter(item, property);
if (filter != null)
filters.Add(filter);
}
var target = GetTarget(item);
filter = BuildCaptionFilterForCaptionProperty(item, target);
if (filter != null)
filters.Add(filter);
var connectionString = item.GetConnectionString();
var factory = new DiscoveryRequestFactory();
MetadataDiscoveryRequest request = null;
switch (type)
{
case MetadataDiscoveryRequestType.Direct:
request = factory.BuildDirect(connectionString, target, filters);
break;
case MetadataDiscoveryRequestType.Relation:
target = GetTargetRelation(item);
request = factory.BuildRelation(connectionString, target, filters);
break;
default:
break;
}
return request;
}
protected virtual MetadataDiscoveryRequest InstantiateCommand(AbstractItem item)
{
var request = discoveryFactory.Build(item, MetadataDiscoveryRequestBuilder.MetadataDiscoveryRequestType.Direct);
return request;
}
protected override MetadataDiscoveryRequest InstantiateCommand(AbstractItem item)
{
var request = discoveryFactory.Build(item, MetadataDiscoveryRequestBuilder.MetadataDiscoveryRequestType.Relation);
return request;
}
protected virtual IDataTypeDiscoveryCommand InstantiateCommand(AbstractItem item)
{
var factory = discoveryProvider.Instantiate(item.GetConnectionString());
var target = BuildTarget(item);
var filters = BuildFilters(item);
var command = factory.Instantiate(target, filters);
return command;
}
