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How to use BuildColumnsRetriever method of NBi.Core.ResultSet.Lookup.LookupExistsAnalyzer class

Best NBi code snippet using NBi.Core.ResultSet.Lookup.LookupExistsAnalyzer.BuildColumnsRetriever

LookupMatchesAnalyzer.cs

Source:LookupMatchesAnalyzer.cs

...27        protected override LookupViolationCollection Execute(DataTable candidate, DataTable reference)28        {29            var stopWatch = new Stopwatch();30            stopWatch.Start();31            var referenceKeyRetriever = BuildColumnsRetriever(Keys, x => x.ReferenceColumn);32            var referenceValueRetriever = BuildColumnsRetriever(Values, x => x.ReferenceColumn);33            var references = BuildReferenceIndex(reference, referenceKeyRetriever, referenceValueRetriever);34            Trace.WriteLineIf(Extensibility.NBiTraceSwitch.TraceInfo, $"Building the index (including value columns) for keys from the reference table containing {references.Count} rows [{stopWatch.Elapsed:d'.'hh':'mm':'ss'.'fff'ms'}]");35            stopWatch.Restart();36            var candidateKeyBuilder = BuildColumnsRetriever(Keys, x => x.CandidateColumn);37            var candidateValueRetriever = BuildColumnsRetriever(Values, x => x.CandidateColumn);38            var violations = ExtractLookupViolation(candidate, candidateKeyBuilder, candidateValueRetriever, references, Tolerances);39            Trace.WriteLineIf(Extensibility.NBiTraceSwitch.TraceInfo, $"Analyzing potential lookup violations (based on keys and values) for the {candidate.Rows.Count} rows from candidate table [{stopWatch.Elapsed:d'.'hh':'mm':'ss'.'fff'ms'}]");40            return violations;41        }42        protected IDictionary<KeyCollection, ICollection<KeyCollection>> BuildReferenceIndex(DataTable table, CellRetriever keyRetriever, CellRetriever valuesRetriever)43        {44            var references = new Dictionary<KeyCollection, ICollection<KeyCollection>>();45            foreach (DataRow row in table.Rows)46            {47                var keys = keyRetriever.GetColumns(row);48                var values = valuesRetriever.GetColumns(row);49                if (!references.ContainsKey(keys))50                    references.Add(keys, new HashSet<KeyCollection>() { values });51                else...

LookupExistsAnalyzer.cs

Source:LookupExistsAnalyzer.cs

...28        protected virtual LookupViolationCollection Execute(DataTable candidate, DataTable reference)29        {30            var stopWatch = new Stopwatch();31            stopWatch.Start();32            var referenceKeyRetriever = BuildColumnsRetriever(Keys, x => x.ReferenceColumn);33            var references = BuildReferenceIndex(reference, referenceKeyRetriever);34            Trace.WriteLineIf(Extensibility.NBiTraceSwitch.TraceInfo, $"Building the index for keys from reference table containing {references.Count()} rows [{stopWatch.Elapsed:d'.'hh':'mm':'ss'.'fff'ms'}]");35            stopWatch.Restart();36            var candidateKeyBuilder = BuildColumnsRetriever(Keys, x => x.CandidateColumn);37            var violations = ExtractLookupViolation(candidate, candidateKeyBuilder, references);38            Trace.WriteLineIf(Extensibility.NBiTraceSwitch.TraceInfo, $"Analyzing potential lookup violations (based on keys) for the {candidate.Rows.Count} rows from candidate table [{stopWatch.Elapsed:d'.'hh':'mm':'ss'.'fff'ms'}]");39            return violations;40        }41        protected CellRetriever BuildColumnsRetriever(ColumnMappingCollection columns, Func<ColumnMapping, IColumnIdentifier> target)42        {43            var defColumns = new Collection<IColumnDefinition>();44            foreach (var column in columns)45            {46                var defColumn = column.ToColumnDefinition(() => target(column));47                defColumns.Add(defColumn);48            }49            if (columns.Any(x => target(x) is ColumnOrdinalIdentifier))50                return new CellRetrieverByOrdinal(defColumns);51            else52                return new CellRetrieverByName(defColumns);53        }54        protected IEnumerable<KeyCollection> BuildReferenceIndex(DataTable table, CellRetriever keyRetriever)55        {...

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