322 lines
15 KiB
C#
322 lines
15 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Globalization;
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using Microsoft.AnalysisServices;
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namespace BismNormalizer.TabularCompare.MultidimensionalMetadata
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{
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/// <summary>
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/// Abstraction of a tabular model measure with properties and methods for comparison purposes.
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/// </summary>
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public class Measure : ITabularObject
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{
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private TabularModel _parentTabularModel;
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private string _tableName;
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private string _name;
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private string _expression;
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private string _objectDefinition;
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private bool _IsKpiReferenceMeasure;
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/// <summary>
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/// Initializes a new instance of the Measure class using multiple parameters.
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/// </summary>
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/// <param name="parentTabularModel">TabularModel object that the measure belongs to.</param>
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/// <param name="tableName">Name of the table that the Measure belongs to.</param>
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/// <param name="measureName">Name of the measure.</param>
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/// <param name="expression">DAX expression</param>
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public Measure(TabularModel parentTabularModel, string tableName, string measureName, string expression)
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{
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_parentTabularModel = parentTabularModel;
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_tableName = tableName;
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_name = measureName;
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_expression = expression;
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_IsKpiReferenceMeasure = false;
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PopulateObjectDefinition();
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}
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private void PopulateObjectDefinition()
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{
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_objectDefinition = "Expression:\n" + _expression + "\n\n";
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if (this.AmoCalculationProperty != null)
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{
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if (this.AmoCalculationProperty.Annotations.Contains("Format") && this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Format"] != null)
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{
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_objectDefinition += "Format & Visibility:\n";
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switch (this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Format"].Value)
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{
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case "General":
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_objectDefinition += "Format: General";
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break;
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case "NumberDecimal":
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_objectDefinition += "Format: Decimal Number" +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"].Value : "") +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["ThousandSeparator"] != null ? ", Show Thousand Separator: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["ThousandSeparator"].Value : "");
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break;
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case "NumberWhole":
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_objectDefinition += "Format: Whole Number" +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["ThousandSeparator"] != null ? ", Show Thousand Separator: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["ThousandSeparator"].Value : "");
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break;
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case "Percentage":
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_objectDefinition += "Format: Percentage" +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"].Value : "") +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["ThousandSeparator"] != null ? ", Show Thousand Separator: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["ThousandSeparator"].Value : "");
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break;
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case "Scientific":
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_objectDefinition += "Format: Scientific" +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"].Value : "");
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break;
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case "Currency":
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_objectDefinition += "Format: Currency" +
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(this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + this.AmoCalculationProperty.Annotations["Format"].Value.Attributes["Accuracy"].Value : "") +
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(this.AmoCalculationProperty.Annotations["Format"].Value.HasChildNodes &&
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this.AmoCalculationProperty.Annotations["Format"].Value.ChildNodes[0].Attributes["DisplayName"] != null
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? ", Currency Symbol: " + this.AmoCalculationProperty.Annotations["Format"].Value.ChildNodes[0].Attributes["DisplayName"].Value : "");
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break;
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case "DateTimeCustom":
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_objectDefinition += "Format: Date" +
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(this.AmoCalculationProperty.Annotations["Format"].Value.HasChildNodes &&
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this.AmoCalculationProperty.Annotations["Format"].Value.ChildNodes[0].HasChildNodes &&
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this.AmoCalculationProperty.Annotations["Format"].Value.ChildNodes[0].ChildNodes[0].Attributes["FormatString"] != null
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? ", Date Format: " + this.AmoCalculationProperty.Annotations["Format"].Value.ChildNodes[0].ChildNodes[0].Attributes["FormatString"].Value : "");
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break;
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case "Boolean":
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_objectDefinition += "Format: TRUE/FALSE";
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break;
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default:
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break;
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}
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if (this.AmoCalculationProperty.Annotations.Contains("IsPrivate") && this.AmoCalculationProperty.Annotations["IsPrivate"].Value != null)
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{
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_objectDefinition += ", Hidden: " + this.AmoCalculationProperty.Annotations["IsPrivate"].Value.Value;
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}
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
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//{
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// _objectDefinition += ", Display Folder: " + (this.AmoCalculationProperty.DisplayFolder == null ? "" : this.AmoCalculationProperty.DisplayFolder);
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//}
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations)
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//{
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// _objectDefinition += ", Measure Translations: ";
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// if (this.AmoCalculationProperty.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation measureTranslation in this.AmoCalculationProperty.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(measureTranslation.Language).DisplayName + ": " + measureTranslation.Caption + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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// if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
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// {
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// _objectDefinition += ", Display Folder Translations: ";
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// if (this.AmoCalculationProperty.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation measureDisplayFolderTranslation in this.AmoCalculationProperty.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(measureDisplayFolderTranslation.Language).DisplayName + ": " + measureDisplayFolderTranslation.DisplayFolder + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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// }
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//}
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_objectDefinition += "\n\n";
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}
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}
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}
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/// <summary>
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/// TabularModel object that the Measure object belongs to.
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/// </summary>
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public TabularModel ParentTabularModel => _parentTabularModel;
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/// <summary>
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/// Name of the table that the Measure oject belongs to.
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/// </summary>
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public string TableName
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{
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get { return _tableName; }
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set { _tableName = value; }
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}
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/// <summary>
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/// Name of the Measure object.
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/// </summary>
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public string Name
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{
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get { return _name; }
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set { _name = value; }
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}
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/// <summary>
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/// Long name of the Measure object.
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/// </summary>
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public string LongName => _name;
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/// <summary>
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/// Id of the Measure object.
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/// </summary>
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public string Id => $"'{_tableName}'[{_name}]";
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/// <summary>
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/// Substitute Id of the Measure object.
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/// </summary>
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public string SubstituteId => this.Id;
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/// <summary>
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/// DAX expression of the Measure object.
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/// </summary>
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public string Expression
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{
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get { return _expression; }
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set { _expression = value; }
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}
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/// <summary>
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/// Boolean indicating if the Measure object is a KPI reference measure.
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/// </summary>
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public bool IsKpiReferenceMeasure
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{
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get { return _IsKpiReferenceMeasure; }
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set { _IsKpiReferenceMeasure = value; }
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}
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/// <summary>
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/// Object definition of the Measure object. This is a simplified list of relevant attribute values for comparison; not the XMLA definition of the abstracted AMO object.
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/// </summary>
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public virtual string ObjectDefinition => _objectDefinition;
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/// <summary>
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/// Calculation reference of the Measure object.
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/// </summary>
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public string CalculationReference => $"[{_name}]";
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/// <summary>
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/// Analysis Management Objects CalculationProperty object for the Measure object.
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/// </summary>
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public CalculationProperty AmoCalculationProperty
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{
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get
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{
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if (_parentTabularModel.AmoDatabase.Cubes[0].MdxScripts[0].CalculationProperties.Contains(this.CalculationReference))
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{
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return _parentTabularModel.AmoDatabase.Cubes[0].MdxScripts[0].CalculationProperties[this.CalculationReference];
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}
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else
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{
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return null;
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}
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}
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}
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public override string ToString() => this.GetType().FullName;
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/// <summary>
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/// Find missing dependencies.
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/// </summary>
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/// <returns>List of dependencies.</returns>
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public List<string> FindMissingCalculationDependencies()
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{
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List<string> dependencies = new List<string>();
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using (StringReader lines = new StringReader(_expression))
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{
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string line = string.Empty;
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while ((line = lines.ReadLine()) != null)
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{
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string whatsLeftOfLine = line;
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while (whatsLeftOfLine.Contains('[') && whatsLeftOfLine.Contains(']'))
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{
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int openSquareBracketPosition = whatsLeftOfLine.IndexOf('[', 0);
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//someone has ]] instead of ]
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int closeSquareBracketPosition = whatsLeftOfLine.Replace("]]", " ").IndexOf(']', openSquareBracketPosition + 1);
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if (openSquareBracketPosition < closeSquareBracketPosition - 1)
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{
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string potentialDependency = whatsLeftOfLine.Substring(openSquareBracketPosition + 1, closeSquareBracketPosition - openSquareBracketPosition - 1);
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if (!potentialDependency.Contains('"') && !dependencies.Contains(potentialDependency))
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{
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//someone did a replace on ] with ]]
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dependencies.Add(potentialDependency);
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}
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}
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whatsLeftOfLine = whatsLeftOfLine.Substring(closeSquareBracketPosition + 1);
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}
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}
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}
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List<string> missingDependencies = new List<string>();
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foreach (string dependency in dependencies)
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{
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bool foundDependency = false;
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//need to check internal measures because of references to KPI goals in measures
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//// check if it is another measure
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//foreach (Measure measure in _parentTabularModel.Measures)
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//{
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// if (measure.Name == dependency)
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// {
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// foundDependency = true;
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// break;
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// }
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//}
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foreach (Measure measure in _parentTabularModel.MeasuresFull)
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{
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if (measure.Name == dependency)
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{
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foundDependency = true;
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break;
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}
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}
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if (!foundDependency)
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{
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// check if it is a kpi
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foreach (Measure kpi in _parentTabularModel.Kpis)
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{
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if (kpi.Name == dependency)
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{
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foundDependency = true;
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break;
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}
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}
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}
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if (!foundDependency)
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{
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// check if it is a column
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foreach (Table table in _parentTabularModel.Tables)
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{
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foreach (DimensionAttribute column in table.AmoDimension.Attributes)
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{
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if (column.Name == dependency)
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{
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foundDependency = true;
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break;
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}
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}
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if (foundDependency)
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{
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break;
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}
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}
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}
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if (!foundDependency)
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{
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missingDependencies.Add(dependency);
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}
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}
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return missingDependencies;
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}
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}
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}
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