John Colvin
3ce9f57e95
So they can retrieve services necessary to function (e.g., add themselves to the master IWorkScheduler so doWork gets called, etc.)
24 lines
720 B
C#
24 lines
720 B
C#
using System;
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using System.Collections;
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namespace BCG
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{
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/// <summary>
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/// Provides a stream that with distinct rows with respect to the columns
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/// the user specifies in the argument
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/// </summary>
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[DataStreamUserRespresentation ("distinct")]
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public class DistinctRowStream : ViewStream
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{
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public DistinctRowStream (ViewStream stream, params string[] cols)
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{
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ArrayList groupByCols = new ArrayList ();
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foreach (string col in cols)
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foreach (string c in col.Split (' '))
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groupByCols.Add (c);
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mySetRealSource (AttachStream(new GroupByStream (stream,
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new DistinctRowEvaluator (groupByCols.ToArray (typeof(string)) as string[]), false)));
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}
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}
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}
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