Class Measure
- Inheritance
-
Measure
- Implements
- Inherited Members
- Namespace
- TabularEditor.TOMWrapper
- Assembly
- TOMWrapper.dll
Represents a value that is calculated based on an expression. It is a child of a Table object.
public sealed class Measure : TabularNamedObject, ICustomTypeDescriptor, INotifyPropertyChanging, IComparable, IFolderObject, ITabularTableObject, ITomErrorMessageObject, IDescriptionObject, IFormattableObject, ILineageTagObject, IExtendedPropertyObject, ITabularPerspectiveObject, IHideableObject, ITranslatableObject, IAnnotationObject, ISynonymObject, IClonableObject, IDaxObject, ITabularObjectContainer, IDaxDependantObject, IExpressionObject, ITabularNamedObject, ITabularObject, INotifyPropertyChanged, INamedObject
- Extension Methods
Properties
Annotations
The collection of Annotations on the current Measure.
[Browsable(true)]
public AnnotationCollection Annotations { get; }
Property Value
Type | Description |
---|---|
AnnotationCollection |
DataCategory
Specifies the type of data contained in the measure so that you can add custom behaviors based on measure type.
public string DataCategory { get; set; }
Property Value
Type | Description |
---|---|
string |
Remarks
This property is only supported when the compatibility level of the database is at 1455 or above.
DataType
Describes the type of data contained in the column. Possible values are as follows. String (2). Int64 (6). Double (8). DateTime (9). Decimal (10). Boolean (11). Binary (17). Unknown (19) A measure in an error state. Variant (20) A measure with varying data type.
[TypeConverter(typeof(DataTypeEnumConverter))]
public DataType DataType { get; }
Property Value
Type | Description |
---|---|
DataType |
DaxObjectFullName
Gets a valid DAX reference to this measure
[Browsable(true)]
public string DaxObjectFullName { get; }
Property Value
Type | Description |
---|---|
string |
DaxObjectName
Gets a valid DAX reference to this measure
[Browsable(false)]
public string DaxObjectName { get; }
Property Value
Type | Description |
---|---|
string |
DaxTableName
Gets a valid DAX reference to the table on which this measure resides
[Browsable(false)]
public string DaxTableName { get; }
Property Value
Type | Description |
---|---|
string |
DependsOn
Gets the list of objects that this measure depends on.
[Browsable(false)]
public DependsOnList DependsOn { get; }
Property Value
Type | Description |
---|---|
DependsOnList |
Description
The description of the measure, visible to developers at design time and to administrators in management tools, such as SQL Server Management Studio.
public string Description { get; set; }
Property Value
Type | Description |
---|---|
string |
DetailRowsExpression
A DAX expression specifying detail rows for this measure (drill-through in client tools).
public string DetailRowsExpression { get; set; }
Property Value
Type | Description |
---|---|
string |
DisplayFolder
Defines the display folder for the Measure, for use by clients.
public string DisplayFolder { get; set; }
Property Value
Type | Description |
---|---|
string |
ErrorMessage
A string that explains the error state associated with the current object. It is set by the engine only when the state of the object is one of these three values: SemanticError, DependencyError, or EvaluationError. It is applicable only to columns of the type Calculated or CalculatedTableColumn. It will be empty for other column objects.
public string ErrorMessage { get; }
Property Value
Type | Description |
---|---|
string |
Expression
The DAX expression that is evaluated for the calculated measure.
public string Expression { get; set; }
Property Value
Type | Description |
---|---|
string |
ExtendedProperties
The collection of Extended Properties on the current Measure.
public ExtendedPropertyCollection ExtendedProperties { get; }
Property Value
Type | Description |
---|---|
ExtendedPropertyCollection |
FormatString
A string that specifies the format of the measure contents. For
[TypeConverter(typeof(FormatStringConverter))]
public string FormatString { get; set; }
Property Value
Type | Description |
---|---|
string |
FormatStringExpression
DAX expression that specifies the format of the cell content.
public string FormatStringExpression { get; set; }
Property Value
Type | Description |
---|---|
string |
InPerspective
[Browsable(true)]
public PerspectiveMeasureIndexer InPerspective { get; }
Property Value
Type | Description |
---|---|
PerspectiveMeasureIndexer |
IsHidden
A boolean value that indicates whether the measure is treated as hidden by client visualization tools. True if the measure is treated as hidden by client visualization tools; otherwise false.
public bool IsHidden { get; set; }
Property Value
Type | Description |
---|---|
bool |
IsSimpleMeasure
A boolean value that indicates whether the measure is an implicit measure that is automatically created by client tools to aggregate a field. Client applications can hide measures that have this flag set.
[Browsable(false)]
public bool IsSimpleMeasure { get; set; }
Property Value
Type | Description |
---|---|
bool |
IsVisible
Gets the visibility of the Measure. Takes into consideration that a measure is visible regardless of its parent table being visible.
[Browsable(false)]
public bool IsVisible { get; }
Property Value
Type | Description |
---|---|
bool |
KPI
Gets or sets the KPI of the Measure.
public KPI KPI { get; set; }
Property Value
Type | Description |
---|---|
KPI |
LineageTag
A tag that represents the lineage of the object.
public string LineageTag { get; set; }
Property Value
Type | Description |
---|---|
string |
Remarks
This property is only supported when the compatibility level of the database is at 1540 or above.
Parent
The parent Table of the current Measure.
public Table Parent { get; }
Property Value
Type | Description |
---|---|
Table |
ReferencedBy
Gets the list of objects that reference this measure.
[Browsable(false)]
public ReferencedByList ReferencedBy { get; }
Property Value
Type | Description |
---|---|
ReferencedByList |
SourceLineageTag
A tag that represents the lineage of the source for the object.
public string SourceLineageTag { get; set; }
Property Value
Type | Description |
---|---|
string |
Remarks
This property is only supported when the compatibility level of the database is at 1550 or above.
State
Provides information on the state of the measure. Possible values and their interpretation are as follows. Ready (1) The measure is queryable and has up-to-date data. NoData (3) Not applicable to Measure. CalculationNeeded (4) Not applicable to Measure. SemanticError (5) The measure expression has a semantic error. EvaluationError (6) Not applicable to Measure. DependencyError (7) A dependency associated with this measure is in an error state (SemanticError, EvaluationError, or DependencyError). Incomplete (8) Not applicable to Measure. SyntaxError (9) The measure has a syntax error in its expression.
public ObjectState State { get; }
Property Value
Type | Description |
---|---|
ObjectState |
Synonyms
Collection of localized synonyms for this Measure.
[Browsable(true)]
public SynonymIndexer Synonyms { get; }
Property Value
Type | Description |
---|---|
SynonymIndexer |
Table
The parent table of the current Measure.
[Browsable(false)]
public Table Table { get; }
Property Value
Type | Description |
---|---|
Table |
TranslatedDescriptions
Collection of localized descriptions for this Measure.
[Browsable(true)]
public TranslationIndexer TranslatedDescriptions { get; }
Property Value
Type | Description |
---|---|
TranslationIndexer |
TranslatedDisplayFolders
Collection of localized Display Folders for the current Measure.
[Browsable(true)]
public TranslationIndexer TranslatedDisplayFolders { get; }
Property Value
Type | Description |
---|---|
TranslationIndexer |
TranslatedNames
Collection of localized names for this Measure.
[Browsable(true)]
public TranslationIndexer TranslatedNames { get; }
Property Value
Type | Description |
---|---|
TranslationIndexer |
Methods
AddKPI()
Adds a KPI to this measure.
public KPI AddKPI()
Returns
Type | Description |
---|---|
KPI |
AllowDelete(out string)
Derived classes should override this method to prevent an object from being deleted. If left un-overridden, always returns TRUE and sets message to null.
protected override bool AllowDelete(out string message)
Parameters
Type | Name | Description |
---|---|---|
string | message | If an object CANNOT be deleted, this string should provide a reason why. If an object CAN be deleted, this string may optionally provide a suitable warning message that applies if the object is deleted immediately after the call to CanDelete. |
Returns
Type | Description |
---|---|
bool | True if an object can be deleted. False otherwise. |
ClearAnnotations()
Removes all annotations from this object.
public void ClearAnnotations()
ClearExtendedProperties()
Removes all Extended Properties from this object.
public void ClearExtendedProperties()
Clone(string, bool, Table)
Creates an exact copy of this Measure object.
public Measure Clone(string newName = null, bool includeTranslations = true, Table newParent = null)
Parameters
Type | Name | Description |
---|---|---|
string | newName | |
bool | includeTranslations | |
Table | newParent |
Returns
Type | Description |
---|---|
Measure |
CreateNew(Table, string)
Creates a new Measure and adds it to the parent Table. Also creates the underlying metadataobject and adds it to the TOM tree.
public static Measure CreateNew(Table parent, string name = null)
Parameters
Type | Name | Description |
---|---|---|
Table | parent | |
string | name |
Returns
Type | Description |
---|---|
Measure |
CustomReinit()
protected override void CustomReinit()
GetAnnotation(int)
Gets the value of the annotation with the given index, assuming it exists.
public string GetAnnotation(int index)
Parameters
Type | Name | Description |
---|---|---|
int | index |
Returns
Type | Description |
---|---|
string |
GetAnnotation(string)
Gets the value of the annotation with the given name. Returns null if no such annotation exists.
public string GetAnnotation(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
Returns
Type | Description |
---|---|
string |
GetAnnotations()
Gets a collection of all annotation names on the current Measure.
public IEnumerable<string> GetAnnotations()
Returns
Type | Description |
---|---|
IEnumerable<string> |
GetAnnotationsCount()
Gets the number of annotations on the current Measure.
public int GetAnnotationsCount()
Returns
Type | Description |
---|---|
int |
GetChildren()
public IEnumerable<ITabularNamedObject> GetChildren()
Returns
Type | Description |
---|---|
IEnumerable<ITabularNamedObject> |
GetExtendedProperties()
Gets a collection of all ExtendedProperty names on the current object.
public IEnumerable<string> GetExtendedProperties()
Returns
Type | Description |
---|---|
IEnumerable<string> |
GetExtendedProperty(int)
Gets the value of the ExtendedProperty with the given index, assuming it exists.
public string GetExtendedProperty(int index)
Parameters
Type | Name | Description |
---|---|---|
int | index |
Returns
Type | Description |
---|---|
string |
GetExtendedProperty(string)
Gets the value of the ExtendedProperty with the given name. Returns null if no such ExtendedProperty exists.
public string GetExtendedProperty(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
Returns
Type | Description |
---|---|
string |
GetExtendedPropertyCount()
Gets the number of ExtendedProperties on the current object.
public int GetExtendedPropertyCount()
Returns
Type | Description |
---|---|
int |
GetExtendedPropertyType(int)
Gets the type of the ExtendedProperty with the given index, assuming it exists.
public ExtendedPropertyType GetExtendedPropertyType(int index)
Parameters
Type | Name | Description |
---|---|---|
int | index |
Returns
Type | Description |
---|---|
ExtendedPropertyType |
GetExtendedPropertyType(string)
Gets the type of the ExtendedProperty with the given name, assuming it exists.
public ExtendedPropertyType GetExtendedPropertyType(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
Returns
Type | Description |
---|---|
ExtendedPropertyType |
GetNewAnnotationName()
Returns a unique name for a new annotation.
public string GetNewAnnotationName()
Returns
Type | Description |
---|---|
string |
GetNewExtendedPropertyName()
Returns a unique name for a new ExtendedProperty.
public string GetNewExtendedPropertyName()
Returns
Type | Description |
---|---|
string |
HasAnnotation(string)
Returns true if an annotation with the given name exists. Otherwise false.
public bool HasAnnotation(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
Returns
Type | Description |
---|---|
bool |
HasExtendedProperty(string)
Returns true if an ExtendedProperty with the given name exists. Otherwise false.
public bool HasExtendedProperty(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
Returns
Type | Description |
---|---|
bool |
Init()
Derived members should override this method to instantiate child objects
protected override void Init()
MoveTo(string)
Delete the measure from its current table and create a deep clone (including all translations, if any) in the destination table.
public void MoveTo(string destinationTable)
Parameters
Type | Name | Description |
---|---|---|
string | destinationTable |
Exceptions
MoveTo(Table)
Delete the measure from its current table and create a deep clone (including all translations, if any) in the destination table.
public void MoveTo(Table destinationTable)
Parameters
Type | Name | Description |
---|---|---|
Table | destinationTable |
OnPropertyChanged(string, object, object)
Fired after a property is changed
protected override void OnPropertyChanged(string propertyName, object oldValue, object newValue)
Parameters
Type | Name | Description |
---|---|---|
string | propertyName | |
object | oldValue | |
object | newValue |
OnPropertyChanging(string, object, ref bool, ref bool)
Called before a property is changed on an object. Derived classes can control how the change is handled. Throw ArgumentException within this method, to display an error message in the UI.
protected override void OnPropertyChanging(string propertyName, object newValue, ref bool undoable, ref bool cancel)
Parameters
Type | Name | Description |
---|---|---|
string | propertyName | Name of the changed property. |
object | newValue | New value assigned to the property. |
bool | undoable | Return false if automatic undo of the property change is not needed. |
bool | cancel | Return true if the property change should not apply. |
RemoveAnnotation(string)
Remove an annotation by the given name.
public void RemoveAnnotation(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
RemoveExtendedProperty(string)
Remove an ExtendedProperty by the given name.
public void RemoveExtendedProperty(string name)
Parameters
Type | Name | Description |
---|---|---|
string | name |
RemoveKPI()
Removes the KPI from this measure.
public void RemoveKPI()
SetAnnotation(int, string)
Sets the value of the annotation with the given index, assuming it exists.
public void SetAnnotation(int index, string value)
Parameters
Type | Name | Description |
---|---|---|
int | index | |
string | value |
SetAnnotation(string, string)
Sets the value of the annotation having the given name. If no such annotation exists, it will be created. If value is set to null, the annotation will be removed.
public void SetAnnotation(string name, string value)
Parameters
Type | Name | Description |
---|---|---|
string | name | |
string | value |
SetExtendedProperty(int, string, ExtendedPropertyType)
Sets the value of the ExtendedProperty with the given index, optionally specifiying the type (string or JSON) of the ExtendedProperty.
public void SetExtendedProperty(int index, string value, ExtendedPropertyType type)
Parameters
Type | Name | Description |
---|---|---|
int | index | |
string | value | |
ExtendedPropertyType | type |
SetExtendedProperty(string, string, ExtendedPropertyType)
Sets the value of the ExtendedProperty having the given name. If no such ExtendedProperty exists, it will be created. If value is set to null, the ExtendedProperty will be removed.
public void SetExtendedProperty(string name, string value, ExtendedPropertyType type)
Parameters
Type | Name | Description |
---|---|---|
string | name | |
string | value | |
ExtendedPropertyType | type |
ShouldSerializeDetailRowsExpression()
public bool ShouldSerializeDetailRowsExpression()
Returns
Type | Description |
---|---|
bool |