How to use PerspectiveDiscoveryCommandBuilder class of NBi.Core.Structure.Olap.Builders package

Best NBi code snippet using NBi.Core.Structure.Olap.Builders.PerspectiveDiscoveryCommandBuilder

OlapStructureDiscoveryFactory.cs

Source:OlapStructureDiscoveryFactory.cs

...55                case TargetType.Object:56                    switch (target)57                    {58                        case Target.Perspectives:59                            return new PerspectiveDiscoveryCommandBuilder();60                        case Target.MeasureGroups:61                            return new MeasureGroupDiscoveryCommandBuilder();62                        case Target.Measures:63                            return new MeasureDiscoveryCommandBuilder();64                        case Target.Dimensions:65                            return new DimensionDiscoveryCommandBuilder();66                        case Target.Hierarchies:67                            return new HierarchyDiscoveryCommandBuilder();68                        case Target.Levels:69                            return new LevelDiscoveryCommandBuilder();70                        case Target.Properties:71                            return new PropertyDiscoveryCommandBuilder();72                        case Target.Sets:73                            return new SetDiscoveryCommandBuilder();
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TabularStructureDiscoveryFactory.cs

Source:TabularStructureDiscoveryFactory.cs

...2728            switch (target)29            {30                case Target.Perspectives:31                    return new PerspectiveDiscoveryCommandBuilder();32                case Target.MeasureGroups:33                    return new MeasureGroupDiscoveryCommandBuilder();34                case Target.Measures:35                    return new MeasureDiscoveryCommandBuilder();36                case Target.Dimensions:37                    return new DimensionDiscoveryCommandBuilder();38                case Target.Hierarchies:39                    return new HierarchyDiscoveryCommandBuilder();40                case Target.Levels:41                    return new LevelDiscoveryCommandBuilder();42                case Target.Properties:43                    return new PropertyDiscoveryCommandBuilder();44                case Target.Tables:45                    return new TableDiscoveryCommandBuilder();
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PerspectiveDiscoveryCommandBuilder.cs

Source:PerspectiveDiscoveryCommandBuilder.cs

...6using System.Threading.Tasks;78namespace NBi.Core.Structure.Olap.Builders9{10    class PerspectiveDiscoveryCommandBuilder : MultidimensionalDiscoveryCommandBuilder11    {12        public PerspectiveDiscoveryCommandBuilder()13        {14            CaptionName="cube";15            TableName="dimensions";16            VisibleName="dimension";17        }1819        protected override string BasicCommandText20        {21            get { return "select {0}_name, {1} from [$system].mdschema_{2} where left(cube_name,1)<>'$'{3}"; }22        }2324        protected override IEnumerable<IFilter> BuildCaptionFilters(IEnumerable<CaptionFilter> filters)25        {26            var filter = filters.SingleOrDefault(f => f.Target == Target.Perspectives);
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